Overloaded Indexing
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@ -160,7 +160,7 @@ where DefaultAllocator: Allocator<N, D, D>
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// Copy lower triangle to upper triangle.
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for i in 0..dim {
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for j in i + 1..dim {
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unsafe { *self.l.get_unchecked_mut(i, j) = *self.l.get_unchecked(j, i) };
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unsafe { *self.l.get_unchecked_mut((i, j)) = *self.l.get_unchecked((j, i)) };
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}
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}
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@ -142,12 +142,12 @@ impl<N: Scalar + PartialOrd + Signed, R: Dim, C: Dim, S: Storage<N, R, C>> Matri
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pub fn iamax_full(&self) -> (usize, usize) {
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assert!(!self.is_empty(), "The input matrix must not be empty.");
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let mut the_max = unsafe { self.get_unchecked(0, 0).abs() };
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let mut the_max = unsafe { self.get_unchecked((0, 0)).abs() };
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let mut the_ij = (0, 0);
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for j in 0..self.ncols() {
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for i in 0..self.nrows() {
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let val = unsafe { self.get_unchecked(i, j).abs() };
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let val = unsafe { self.get_unchecked((i, j)).abs() };
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if val > the_max {
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the_max = val;
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@ -197,27 +197,27 @@ where N: Scalar + Zero + ClosedAdd + ClosedMul
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// because the `for` loop below won't be very efficient on those.
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if (R::is::<U2>() || R2::is::<U2>()) && (C::is::<U1>() || C2::is::<U1>()) {
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unsafe {
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let a = *self.get_unchecked(0, 0) * *rhs.get_unchecked(0, 0);
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let b = *self.get_unchecked(1, 0) * *rhs.get_unchecked(1, 0);
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let a = *self.get_unchecked((0, 0)) * *rhs.get_unchecked((0, 0));
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let b = *self.get_unchecked((1, 0)) * *rhs.get_unchecked((1, 0));
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return a + b;
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}
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}
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if (R::is::<U3>() || R2::is::<U3>()) && (C::is::<U1>() || C2::is::<U1>()) {
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unsafe {
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let a = *self.get_unchecked(0, 0) * *rhs.get_unchecked(0, 0);
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let b = *self.get_unchecked(1, 0) * *rhs.get_unchecked(1, 0);
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let c = *self.get_unchecked(2, 0) * *rhs.get_unchecked(2, 0);
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let a = *self.get_unchecked((0, 0)) * *rhs.get_unchecked((0, 0));
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let b = *self.get_unchecked((1, 0)) * *rhs.get_unchecked((1, 0));
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let c = *self.get_unchecked((2, 0)) * *rhs.get_unchecked((2, 0));
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return a + b + c;
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}
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}
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if (R::is::<U4>() || R2::is::<U4>()) && (C::is::<U1>() || C2::is::<U1>()) {
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unsafe {
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let mut a = *self.get_unchecked(0, 0) * *rhs.get_unchecked(0, 0);
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let mut b = *self.get_unchecked(1, 0) * *rhs.get_unchecked(1, 0);
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let c = *self.get_unchecked(2, 0) * *rhs.get_unchecked(2, 0);
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let d = *self.get_unchecked(3, 0) * *rhs.get_unchecked(3, 0);
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let mut a = *self.get_unchecked((0, 0)) * *rhs.get_unchecked((0, 0));
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let mut b = *self.get_unchecked((1, 0)) * *rhs.get_unchecked((1, 0));
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let c = *self.get_unchecked((2, 0)) * *rhs.get_unchecked((2, 0));
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let d = *self.get_unchecked((3, 0)) * *rhs.get_unchecked((3, 0));
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a += c;
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b += d;
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@ -257,14 +257,14 @@ where N: Scalar + Zero + ClosedAdd + ClosedMul
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acc7 = N::zero();
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while self.nrows() - i >= 8 {
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acc0 += unsafe { *self.get_unchecked(i + 0, j) * *rhs.get_unchecked(i + 0, j) };
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acc1 += unsafe { *self.get_unchecked(i + 1, j) * *rhs.get_unchecked(i + 1, j) };
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acc2 += unsafe { *self.get_unchecked(i + 2, j) * *rhs.get_unchecked(i + 2, j) };
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acc3 += unsafe { *self.get_unchecked(i + 3, j) * *rhs.get_unchecked(i + 3, j) };
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acc4 += unsafe { *self.get_unchecked(i + 4, j) * *rhs.get_unchecked(i + 4, j) };
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acc5 += unsafe { *self.get_unchecked(i + 5, j) * *rhs.get_unchecked(i + 5, j) };
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acc6 += unsafe { *self.get_unchecked(i + 6, j) * *rhs.get_unchecked(i + 6, j) };
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acc7 += unsafe { *self.get_unchecked(i + 7, j) * *rhs.get_unchecked(i + 7, j) };
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acc0 += unsafe { *self.get_unchecked((i + 0, j)) * *rhs.get_unchecked((i + 0, j)) };
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acc1 += unsafe { *self.get_unchecked((i + 1, j)) * *rhs.get_unchecked((i + 1, j)) };
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acc2 += unsafe { *self.get_unchecked((i + 2, j)) * *rhs.get_unchecked((i + 2, j)) };
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acc3 += unsafe { *self.get_unchecked((i + 3, j)) * *rhs.get_unchecked((i + 3, j)) };
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acc4 += unsafe { *self.get_unchecked((i + 4, j)) * *rhs.get_unchecked((i + 4, j)) };
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acc5 += unsafe { *self.get_unchecked((i + 5, j)) * *rhs.get_unchecked((i + 5, j)) };
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acc6 += unsafe { *self.get_unchecked((i + 6, j)) * *rhs.get_unchecked((i + 6, j)) };
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acc7 += unsafe { *self.get_unchecked((i + 7, j)) * *rhs.get_unchecked((i + 7, j)) };
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i += 8;
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}
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@ -274,7 +274,7 @@ where N: Scalar + Zero + ClosedAdd + ClosedMul
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res += acc3 + acc7;
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for k in i..self.nrows() {
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res += unsafe { *self.get_unchecked(k, j) * *rhs.get_unchecked(k, j) }
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res += unsafe { *self.get_unchecked((k, j)) * *rhs.get_unchecked((k, j)) }
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}
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}
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@ -314,7 +314,7 @@ where N: Scalar + Zero + ClosedAdd + ClosedMul
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for j in 0..self.nrows() {
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for i in 0..self.ncols() {
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res += unsafe { *self.get_unchecked(j, i) * *rhs.get_unchecked(i, j) }
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res += unsafe { *self.get_unchecked((j, i)) * *rhs.get_unchecked((i, j)) }
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}
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}
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@ -348,7 +348,7 @@ where DefaultAllocator: Allocator<N, D, D>
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let translation = self.fixed_slice::<DimNameDiff<D, U1>, U1>(0, D::dim() - 1);
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let normalizer = self.fixed_slice::<U1, DimNameDiff<D, U1>>(D::dim() - 1, 0);
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let n = normalizer.tr_dot(&pt.coords)
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+ unsafe { *self.get_unchecked(D::dim() - 1, D::dim() - 1) };
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+ unsafe { *self.get_unchecked((D::dim() - 1, D::dim() - 1)) };
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if !n.is_zero() {
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return transform * (pt / n) + translation;
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@ -61,7 +61,7 @@ macro_rules! component_binop_impl(
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for j in 0 .. res.ncols() {
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for i in 0 .. res.nrows() {
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unsafe {
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res.get_unchecked_mut(i, j).$op_assign(*rhs.get_unchecked(i, j));
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res.get_unchecked_mut((i, j)).$op_assign(*rhs.get_unchecked((i, j)));
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}
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}
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}
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@ -89,8 +89,8 @@ macro_rules! component_binop_impl(
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for j in 0 .. self.ncols() {
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for i in 0 .. self.nrows() {
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unsafe {
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let res = alpha * a.get_unchecked(i, j).$op(*b.get_unchecked(i, j));
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*self.get_unchecked_mut(i, j) = res;
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let res = alpha * a.get_unchecked((i, j)).$op(*b.get_unchecked((i, j)));
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*self.get_unchecked_mut((i, j)) = res;
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}
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}
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}
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@ -99,8 +99,8 @@ macro_rules! component_binop_impl(
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for j in 0 .. self.ncols() {
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for i in 0 .. self.nrows() {
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unsafe {
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let res = alpha * a.get_unchecked(i, j).$op(*b.get_unchecked(i, j));
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*self.get_unchecked_mut(i, j) = beta * *self.get_unchecked(i, j) + res;
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let res = alpha * a.get_unchecked((i, j)).$op(*b.get_unchecked((i, j)));
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*self.get_unchecked_mut((i, j)) = beta * *self.get_unchecked((i, j)) + res;
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}
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}
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}
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@ -121,7 +121,7 @@ macro_rules! component_binop_impl(
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for j in 0 .. self.ncols() {
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for i in 0 .. self.nrows() {
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unsafe {
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self.get_unchecked_mut(i, j).$op_assign(*rhs.get_unchecked(i, j));
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self.get_unchecked_mut((i, j)).$op_assign(*rhs.get_unchecked((i, j)));
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}
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}
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}
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@ -82,7 +82,7 @@ where DefaultAllocator: Allocator<N, R, C>
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for i in 0..nrows.value() {
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for j in 0..ncols.value() {
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unsafe { *res.get_unchecked_mut(i, j) = *iter.next().unwrap() }
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unsafe { *res.get_unchecked_mut((i, j)) = *iter.next().unwrap() }
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}
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}
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@ -105,7 +105,7 @@ where DefaultAllocator: Allocator<N, R, C>
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for j in 0..ncols.value() {
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for i in 0..nrows.value() {
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unsafe { *res.get_unchecked_mut(i, j) = f(i, j) }
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unsafe { *res.get_unchecked_mut((i, j)) = f(i, j) }
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}
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}
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@ -132,7 +132,7 @@ where DefaultAllocator: Allocator<N, R, C>
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let mut res = Self::zeros_generic(nrows, ncols);
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for i in 0..::min(nrows.value(), ncols.value()) {
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unsafe { *res.get_unchecked_mut(i, i) = elt }
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unsafe { *res.get_unchecked_mut((i, i)) = elt }
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}
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res
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@ -152,7 +152,7 @@ where DefaultAllocator: Allocator<N, R, C>
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);
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for (i, elt) in elts.iter().enumerate() {
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unsafe { *res.get_unchecked_mut(i, i) = *elt }
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unsafe { *res.get_unchecked_mut((i, i)) = *elt }
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}
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res
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@ -313,7 +313,7 @@ where
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for i in 0..diag.len() {
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unsafe {
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*res.get_unchecked_mut(i, i) = *diag.vget_unchecked(i);
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*res.get_unchecked_mut((i, i)) = *diag.vget_unchecked(i);
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}
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}
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@ -791,7 +791,7 @@ macro_rules! componentwise_constructors_impl(
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pub fn new($($args: N),*) -> Self {
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unsafe {
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let mut res = Self::new_uninitialized();
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$( *res.get_unchecked_mut($irow, $icol) = $args; )*
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$( *res.get_unchecked_mut(($irow, $icol)) = $args; )*
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res
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}
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@ -42,7 +42,7 @@ where
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let mut res = unsafe { MatrixMN::<N2, R2, C2>::new_uninitialized_generic(nrows2, ncols2) };
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for i in 0..nrows {
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for j in 0..ncols {
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unsafe { *res.get_unchecked_mut(i, j) = N2::from_subset(self.get_unchecked(i, j)) }
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unsafe { *res.get_unchecked_mut((i, j)) = N2::from_subset(self.get_unchecked((i, j))) }
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}
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}
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@ -63,7 +63,7 @@ where
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let mut res = Self::new_uninitialized_generic(nrows, ncols);
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for i in 0..nrows2 {
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for j in 0..ncols2 {
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*res.get_unchecked_mut(i, j) = m.get_unchecked(i, j).to_subset_unchecked()
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*res.get_unchecked_mut((i, j)) = m.get_unchecked((i, j)).to_subset_unchecked()
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}
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}
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@ -58,7 +58,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: StorageMut<N, R, C>> Matrix<N, R, C, S> {
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let n = cmp::min(nrows, ncols);
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for i in 0..n {
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unsafe { *self.get_unchecked_mut(i, i) = val }
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unsafe { *self.get_unchecked_mut((i, i)) = val }
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}
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}
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@ -67,7 +67,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: StorageMut<N, R, C>> Matrix<N, R, C, S> {
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pub fn fill_row(&mut self, i: usize, val: N) {
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assert!(i < self.nrows(), "Row index out of bounds.");
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for j in 0..self.ncols() {
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unsafe { *self.get_unchecked_mut(i, j) = val }
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unsafe { *self.get_unchecked_mut((i, j)) = val }
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}
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}
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@ -76,7 +76,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: StorageMut<N, R, C>> Matrix<N, R, C, S> {
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pub fn fill_column(&mut self, j: usize, val: N) {
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assert!(j < self.ncols(), "Row index out of bounds.");
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for i in 0..self.nrows() {
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unsafe { *self.get_unchecked_mut(i, j) = val }
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unsafe { *self.get_unchecked_mut((i, j)) = val }
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}
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}
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@ -93,7 +93,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: StorageMut<N, R, C>> Matrix<N, R, C, S> {
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assert_eq!(diag.len(), min_nrows_ncols, "Mismatched dimensions.");
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for i in 0..min_nrows_ncols {
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unsafe { *self.get_unchecked_mut(i, i) = *diag.vget_unchecked(i) }
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unsafe { *self.get_unchecked_mut((i, i)) = *diag.vget_unchecked(i) }
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}
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}
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@ -128,7 +128,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: StorageMut<N, R, C>> Matrix<N, R, C, S> {
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pub fn fill_lower_triangle(&mut self, val: N, shift: usize) {
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for j in 0..self.ncols() {
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for i in (j + shift)..self.nrows() {
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unsafe { *self.get_unchecked_mut(i, j) = val }
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unsafe { *self.get_unchecked_mut((i, j)) = val }
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}
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}
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}
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@ -146,7 +146,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: StorageMut<N, R, C>> Matrix<N, R, C, S> {
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// FIXME: is there a more efficient way to avoid the min ?
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// (necessary for rectangular matrices)
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for i in 0..cmp::min(j + 1 - shift, self.nrows()) {
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unsafe { *self.get_unchecked_mut(i, j) = val }
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unsafe { *self.get_unchecked_mut((i, j)) = val }
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}
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}
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}
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@ -191,7 +191,7 @@ impl<N: Scalar, D: Dim, S: StorageMut<N, D, D>> Matrix<N, D, D, S> {
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for j in 0..dim {
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for i in j + 1..dim {
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unsafe {
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*self.get_unchecked_mut(i, j) = *self.get_unchecked(j, i);
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*self.get_unchecked_mut((i, j)) = *self.get_unchecked((j, i));
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}
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}
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}
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@ -206,7 +206,7 @@ impl<N: Scalar, D: Dim, S: StorageMut<N, D, D>> Matrix<N, D, D, S> {
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for j in 1..self.ncols() {
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for i in 0..j {
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unsafe {
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*self.get_unchecked_mut(i, j) = *self.get_unchecked(j, i);
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*self.get_unchecked_mut((i, j)) = *self.get_unchecked((j, i));
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}
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}
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}
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@ -0,0 +1,661 @@
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//! Indexing
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use base::{Dim, Dynamic, Matrix, MatrixSlice, MatrixSliceMut, Scalar, U1};
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use base::storage::{Storage, StorageMut};
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use std::ops;
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// N.B.: Not a public trait!
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trait DimRange<D: Dim>
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{
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///asdf
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type Length: Dim;
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/// The lower bound of the range, inclusive.
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fn lower(&self, dimension: D) -> usize;
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/// The number of elements included in the range.
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fn length(&self, dimension: D) -> Self::Length;
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/// Produces true if `Self` is contained within `dimension`.
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fn contained_by(&self, dimension: D) -> bool;
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}
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impl<D: Dim> DimRange<D> for usize {
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type Length = U1;
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#[inline(always)]
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fn lower(&self, _: D) -> usize {
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*self
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}
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#[inline(always)]
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fn length(&self, _: D) -> Self::Length {
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U1
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}
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#[inline(always)]
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fn contained_by(&self, dimension: D) -> bool {
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*self < dimension.value()
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}
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}
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#[test]
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fn dimrange_usize() {
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use base::dimension::U0;
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assert_eq!(DimRange::contained_by(&0, U0), false);
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assert_eq!(DimRange::contained_by(&0, U1), true);
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}
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impl<D: Dim> DimRange<D> for ops::Range<usize> {
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type Length = Dynamic;
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#[inline(always)]
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fn lower(&self, _: D) -> usize {
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self.start
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}
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#[inline(always)]
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fn length(&self, _: D) -> Self::Length {
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Dynamic::new(self.end.saturating_sub(self.start))
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}
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#[inline(always)]
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fn contained_by(&self, dimension: D) -> bool {
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(self.start < dimension.value()) && (self.end <= dimension.value())
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||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn dimrange_range_usize() {
|
||||
use std::usize::MAX;
|
||||
use base::dimension::U0;
|
||||
assert_eq!(DimRange::contained_by(&(0..0), U0), false);
|
||||
assert_eq!(DimRange::contained_by(&(0..1), U0), false);
|
||||
assert_eq!(DimRange::contained_by(&(0..1), U1), true);
|
||||
assert_eq!(DimRange::contained_by(&((MAX - 1)..MAX), Dynamic::new(MAX)), true);
|
||||
assert_eq!(DimRange::length(&((MAX - 1)..MAX), Dynamic::new(MAX)), Dynamic::new(1));
|
||||
assert_eq!(DimRange::length(&(MAX..(MAX - 1)), Dynamic::new(MAX)), Dynamic::new(0));
|
||||
assert_eq!(DimRange::length(&(MAX..MAX), Dynamic::new(MAX)), Dynamic::new(0));
|
||||
}
|
||||
|
||||
impl<D: Dim> DimRange<D> for ops::RangeFrom<usize> {
|
||||
type Length = Dynamic;
|
||||
|
||||
#[inline(always)]
|
||||
fn lower(&self, _: D) -> usize {
|
||||
self.start
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
fn length(&self, dimension: D) -> Self::Length {
|
||||
(self.start..dimension.value()).length(dimension)
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
fn contained_by(&self, dimension: D) -> bool {
|
||||
self.start < dimension.value()
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn dimrange_rangefrom_usize() {
|
||||
use std::usize::MAX;
|
||||
use base::dimension::U0;
|
||||
assert_eq!(DimRange::contained_by(&(0..), U0), false);
|
||||
assert_eq!(DimRange::contained_by(&(0..), U0), false);
|
||||
assert_eq!(DimRange::contained_by(&(0..), U1), true);
|
||||
assert_eq!(DimRange::contained_by(&((MAX - 1)..), Dynamic::new(MAX)), true);
|
||||
assert_eq!(DimRange::length(&((MAX - 1)..), Dynamic::new(MAX)), Dynamic::new(1));
|
||||
assert_eq!(DimRange::length(&(MAX..), Dynamic::new(MAX)), Dynamic::new(0));
|
||||
}
|
||||
|
||||
impl<D: Dim> DimRange<D> for ops::RangeFull {
|
||||
type Length = D;
|
||||
|
||||
#[inline(always)]
|
||||
fn lower(&self, _: D) -> usize {
|
||||
0
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
fn length(&self, dimension: D) -> Self::Length {
|
||||
dimension
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
fn contained_by(&self, _: D) -> bool {
|
||||
true
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn dimrange_rangefull() {
|
||||
use base::dimension::U0;
|
||||
assert_eq!(DimRange::contained_by(&(..), U0), true);
|
||||
assert_eq!(DimRange::length(&(..), U1), U1);
|
||||
}
|
||||
|
||||
impl<D: Dim> DimRange<D> for ops::RangeInclusive<usize> {
|
||||
type Length = Dynamic;
|
||||
|
||||
#[inline(always)]
|
||||
fn lower(&self, _: D) -> usize {
|
||||
*self.start()
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
fn length(&self, _: D) -> Self::Length {
|
||||
Dynamic::new(
|
||||
if self.end() < self.start() {
|
||||
0
|
||||
} else {
|
||||
self.end().wrapping_sub(self.start().wrapping_sub(1))
|
||||
})
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
fn contained_by(&self, dimension: D) -> bool {
|
||||
(*self.start() < dimension.value()) && (*self.end() < dimension.value())
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn dimrange_rangeinclusive_usize() {
|
||||
use std::usize::MAX;
|
||||
use base::dimension::U0;
|
||||
assert_eq!(DimRange::contained_by(&(0..=0), U0), false);
|
||||
assert_eq!(DimRange::contained_by(&(0..=0), U1), true);
|
||||
assert_eq!(DimRange::contained_by(&(MAX..=MAX), Dynamic::new(MAX)), false);
|
||||
assert_eq!(DimRange::contained_by(&((MAX-1)..=MAX), Dynamic::new(MAX)), false);
|
||||
assert_eq!(DimRange::contained_by(&((MAX-1)..=(MAX-1)), Dynamic::new(MAX)), true);
|
||||
assert_eq!(DimRange::length(&(0..=0), U1), Dynamic::new(1));
|
||||
assert_eq!(DimRange::length(&((MAX - 1)..=MAX), Dynamic::new(MAX)), Dynamic::new(2));
|
||||
assert_eq!(DimRange::length(&(MAX..=(MAX - 1)), Dynamic::new(MAX)), Dynamic::new(0));
|
||||
assert_eq!(DimRange::length(&(MAX..=MAX), Dynamic::new(MAX)), Dynamic::new(1));
|
||||
}
|
||||
|
||||
impl<D: Dim> DimRange<D> for ops::RangeTo<usize>
|
||||
{
|
||||
type Length = Dynamic;
|
||||
|
||||
#[inline(always)]
|
||||
fn lower(&self, _: D) -> usize {
|
||||
0
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
fn length(&self, _: D) -> Self::Length {
|
||||
Dynamic::new(self.end)
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
fn contained_by(&self, dimension: D) -> bool {
|
||||
self.end <= dimension.value()
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn dimrange_rangeto_usize() {
|
||||
use std::usize::MAX;
|
||||
use base::dimension::U0;
|
||||
assert_eq!(DimRange::contained_by(&(..0), U0), true);
|
||||
assert_eq!(DimRange::contained_by(&(..1), U0), false);
|
||||
assert_eq!(DimRange::contained_by(&(..0), U1), true);
|
||||
assert_eq!(DimRange::contained_by(&(..(MAX - 1)), Dynamic::new(MAX)), true);
|
||||
assert_eq!(DimRange::length(&(..(MAX - 1)), Dynamic::new(MAX)), Dynamic::new(MAX - 1));
|
||||
assert_eq!(DimRange::length(&(..MAX), Dynamic::new(MAX)), Dynamic::new(MAX));
|
||||
}
|
||||
|
||||
impl<D: Dim> DimRange<D> for ops::RangeToInclusive<usize>
|
||||
{
|
||||
type Length = Dynamic;
|
||||
|
||||
#[inline(always)]
|
||||
fn lower(&self, _: D) -> usize {
|
||||
0
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
fn length(&self, _: D) -> Self::Length {
|
||||
Dynamic::new(self.end + 1)
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
fn contained_by(&self, dimension: D) -> bool {
|
||||
self.end < dimension.value()
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn dimrange_rangetoinclusive_usize() {
|
||||
use std::usize::MAX;
|
||||
use base::dimension::U0;
|
||||
assert_eq!(DimRange::contained_by(&(..=0), U0), false);
|
||||
assert_eq!(DimRange::contained_by(&(..=1), U0), false);
|
||||
assert_eq!(DimRange::contained_by(&(..=0), U1), true);
|
||||
assert_eq!(DimRange::contained_by(&(..=(MAX)), Dynamic::new(MAX)), false);
|
||||
assert_eq!(DimRange::contained_by(&(..=(MAX - 1)), Dynamic::new(MAX)), true);
|
||||
assert_eq!(DimRange::length(&(..=(MAX - 1)), Dynamic::new(MAX)), Dynamic::new(MAX));
|
||||
}
|
||||
|
||||
/// A helper trait used for indexing operations.
|
||||
pub trait MatrixIndex<'a, N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>>: Sized {
|
||||
|
||||
/// The output type returned by methods.
|
||||
type Output : 'a;
|
||||
|
||||
/// Produces true if the given matrix is contained by this index.
|
||||
#[doc(hidden)]
|
||||
fn contained_by(&self, matrix: &Matrix<N, R, C, S>) -> bool;
|
||||
|
||||
/// Produces a shared view of the data at this location if in bounds,
|
||||
/// or `None`, otherwise.
|
||||
#[doc(hidden)]
|
||||
#[inline(always)]
|
||||
fn get(self, matrix: &'a Matrix<N, R, C, S>) -> Option<Self::Output> {
|
||||
if self.contained_by(matrix) {
|
||||
Some(unsafe{self.get_unchecked(matrix)})
|
||||
} else {
|
||||
None
|
||||
}
|
||||
}
|
||||
|
||||
/// Produces a shared view of the data at this location if in bounds
|
||||
/// without any bounds checking.
|
||||
#[doc(hidden)]
|
||||
unsafe fn get_unchecked(self, matrix: &'a Matrix<N, R, C, S>) -> Self::Output;
|
||||
|
||||
/// Produces a shared view to the data at this location, or panics
|
||||
/// if out of bounds.
|
||||
#[doc(hidden)]
|
||||
#[inline(always)]
|
||||
fn index(self, matrix: &'a Matrix<N, R, C, S>) -> Self::Output {
|
||||
self.get(matrix).expect("Index out of bounds.")
|
||||
}
|
||||
}
|
||||
|
||||
/// A helper trait used for indexing operations.
|
||||
pub trait MutMatrixIndex<'a, N: Scalar, R: Dim, C: Dim, S: StorageMut<N, R, C>>: MatrixIndex<'a, N, R, C, S> {
|
||||
/// The output type returned by methods.
|
||||
type OutputMut : 'a;
|
||||
|
||||
/// Produces a mutable view of the data at this location, without
|
||||
/// performing any bounds checking.
|
||||
#[doc(hidden)]
|
||||
unsafe fn get_unchecked_mut(self, matrix: &'a mut Matrix<N, R, C, S>) -> Self::OutputMut;
|
||||
|
||||
/// Produces a mutable view of the data at this location, if in
|
||||
/// bounds.
|
||||
#[doc(hidden)]
|
||||
#[inline(always)]
|
||||
fn get_mut(self, matrix: &'a mut Matrix<N, R, C, S>) -> Option<Self::OutputMut> {
|
||||
if self.contained_by(matrix) {
|
||||
Some(unsafe{self.get_unchecked_mut(matrix)})
|
||||
} else {
|
||||
None
|
||||
}
|
||||
}
|
||||
|
||||
/// Produces a mutable view of the data at this location, or panics
|
||||
/// if out of bounds.
|
||||
#[doc(hidden)]
|
||||
#[inline(always)]
|
||||
fn index_mut(self, matrix: &'a mut Matrix<N, R, C, S>) -> Self::OutputMut {
|
||||
self.get_mut(matrix).expect("Index out of bounds.")
|
||||
}
|
||||
}
|
||||
|
||||
/// # Indexing Operations
|
||||
/// ## Indicies to Individual Elements
|
||||
/// ### Two-Dimensional Indicies
|
||||
/// ```
|
||||
/// # use nalgebra::*;
|
||||
/// let matrix = Matrix2::new(0, 2,
|
||||
/// 1, 3);
|
||||
///
|
||||
/// assert_eq!(matrix.index((0, 0)), &0);
|
||||
/// assert_eq!(matrix.index((1, 0)), &1);
|
||||
/// assert_eq!(matrix.index((0, 1)), &2);
|
||||
/// assert_eq!(matrix.index((1, 1)), &3);
|
||||
/// ```
|
||||
///
|
||||
/// ### Linear Address Indexing
|
||||
/// ```
|
||||
/// # use nalgebra::*;
|
||||
/// let matrix = Matrix2::new(0, 2,
|
||||
/// 1, 3);
|
||||
///
|
||||
/// assert_eq!(matrix.get(0), Some(&0));
|
||||
/// assert_eq!(matrix.get(1), Some(&1));
|
||||
/// assert_eq!(matrix.get(2), Some(&2));
|
||||
/// assert_eq!(matrix.get(3), Some(&3));
|
||||
/// ```
|
||||
///
|
||||
/// ## Indicies to Individual Rows and Columns
|
||||
/// ### Index to a Row
|
||||
/// ```
|
||||
/// # use nalgebra::*;
|
||||
/// let matrix = Matrix2::new(0, 2,
|
||||
/// 1, 3);
|
||||
///
|
||||
/// assert!(matrix.index((0, ..))
|
||||
/// .eq(&Matrix1x2::new(0, 2)));
|
||||
/// ```
|
||||
///
|
||||
/// ### Index to a Column
|
||||
/// ```
|
||||
/// # use nalgebra::*;
|
||||
/// let matrix = Matrix2::new(0, 2,
|
||||
/// 1, 3);
|
||||
///
|
||||
/// assert!(matrix.index((.., 0))
|
||||
/// .eq(&Matrix2x1::new(0,
|
||||
/// 1)));
|
||||
/// ```
|
||||
///
|
||||
/// ## Indicies to Parts of Individual Rows and Columns
|
||||
/// ### Index to a Partial Row
|
||||
/// ```
|
||||
/// # use nalgebra::*;
|
||||
/// let matrix = Matrix3::new(0, 3, 6,
|
||||
/// 1, 4, 7,
|
||||
/// 2, 5, 8);
|
||||
///
|
||||
/// assert!(matrix.index((0, ..2))
|
||||
/// .eq(&Matrix1x2::new(0, 3)));
|
||||
/// ```
|
||||
///
|
||||
/// ### Index to a Partial Column
|
||||
/// ```
|
||||
/// # use nalgebra::*;
|
||||
/// let matrix = Matrix3::new(0, 3, 6,
|
||||
/// 1, 4, 7,
|
||||
/// 2, 5, 8);
|
||||
///
|
||||
/// assert!(matrix.index((..2, 0))
|
||||
/// .eq(&Matrix2x1::new(0,
|
||||
/// 1)));
|
||||
/// ```
|
||||
/// ## Indicies to Ranges of Rows and Columns
|
||||
/// ### Index to a Range of Rows
|
||||
/// ```
|
||||
/// # use nalgebra::*;
|
||||
/// let matrix = Matrix3::new(0, 3, 6,
|
||||
/// 1, 4, 7,
|
||||
/// 2, 5, 8);
|
||||
///
|
||||
/// assert!(matrix.index((1..3, ..))
|
||||
/// .eq(&Matrix2x3::new(1, 4, 7,
|
||||
/// 2, 5, 8)));
|
||||
/// ```
|
||||
/// ### Index to a Range of Columns
|
||||
/// ```
|
||||
/// # use nalgebra::*;
|
||||
/// let matrix = Matrix3::new(0, 3, 6,
|
||||
/// 1, 4, 7,
|
||||
/// 2, 5, 8);
|
||||
///
|
||||
/// assert!(matrix.index((.., 1..3))
|
||||
/// .eq(&Matrix3x2::new(3, 6,
|
||||
/// 4, 7,
|
||||
/// 5, 8)));
|
||||
/// ```
|
||||
impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S>
|
||||
{
|
||||
/// Produces a view of the data at the given index, or
|
||||
/// `None` if the index is out of bounds.
|
||||
#[inline]
|
||||
pub fn get<'a, I>(&'a self, index: I) -> Option<I::Output>
|
||||
where
|
||||
I: MatrixIndex<'a, N, R, C, S>
|
||||
{
|
||||
index.get(self)
|
||||
}
|
||||
|
||||
/// Produces a mutable view of the data at the given index, or
|
||||
/// `None` if the index is out of bounds.
|
||||
#[inline]
|
||||
pub fn get_mut<'a, I>(&'a mut self, index: I) -> Option<I::OutputMut>
|
||||
where
|
||||
S: StorageMut<N, R, C>,
|
||||
I: MutMatrixIndex<'a, N, R, C, S>
|
||||
{
|
||||
index.get_mut(self)
|
||||
}
|
||||
|
||||
/// Produces a view of the data at the given index, or
|
||||
/// panics if the index is out of bounds.
|
||||
#[inline]
|
||||
pub fn index<'a, I>(&'a self, index: I) -> I::Output
|
||||
where
|
||||
I: MatrixIndex<'a, N, R, C, S>
|
||||
{
|
||||
index.index(self)
|
||||
}
|
||||
|
||||
/// Produces a mutable view of the data at the given index, or
|
||||
/// panics if the index is out of bounds.
|
||||
#[inline]
|
||||
pub fn index_mut<'a, I>(&'a mut self, index: I) -> I::OutputMut
|
||||
where
|
||||
S: StorageMut<N, R, C>,
|
||||
I: MutMatrixIndex<'a, N, R, C, S>
|
||||
{
|
||||
index.index_mut(self)
|
||||
}
|
||||
|
||||
/// Produces a view of the data at the given index, without doing
|
||||
/// any bounds checking.
|
||||
#[inline]
|
||||
pub unsafe fn get_unchecked<'a, I>(&'a self, index: I) -> I::Output
|
||||
where
|
||||
I: MatrixIndex<'a, N, R, C, S>
|
||||
{
|
||||
index.get_unchecked(self)
|
||||
}
|
||||
|
||||
/// Returns a mutable view of the data at the given index, without doing
|
||||
/// any bounds checking.
|
||||
#[inline]
|
||||
pub unsafe fn get_unchecked_mut<'a, I>(&'a mut self, index: I) -> I::OutputMut
|
||||
where
|
||||
S: StorageMut<N, R, C>,
|
||||
I: MutMatrixIndex<'a, N, R, C, S>
|
||||
{
|
||||
index.get_unchecked_mut(self)
|
||||
}
|
||||
}
|
||||
|
||||
// EXTRACT A SINGLE ELEMENT BY 1D LINEAR ADDRESS
|
||||
|
||||
impl<'a, N, R, C, S> MatrixIndex<'a, N, R, C, S> for usize
|
||||
where
|
||||
N: Scalar,
|
||||
R: Dim,
|
||||
C: Dim,
|
||||
S: Storage<N, R, C>
|
||||
{
|
||||
type Output = &'a N;
|
||||
|
||||
#[doc(hidden)]
|
||||
#[inline(always)]
|
||||
fn contained_by(&self, matrix: &Matrix<N, R, C, S>) -> bool {
|
||||
*self < matrix.len()
|
||||
}
|
||||
|
||||
#[doc(hidden)]
|
||||
#[inline(always)]
|
||||
unsafe fn get_unchecked(self, matrix: &'a Matrix<N, R, C, S>) -> Self::Output {
|
||||
matrix.data.get_unchecked_linear(self)
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a, N, R, C, S> MutMatrixIndex<'a, N, R, C, S> for usize
|
||||
where
|
||||
N: Scalar,
|
||||
R: Dim,
|
||||
C: Dim,
|
||||
S: StorageMut<N, R, C>
|
||||
{
|
||||
type OutputMut = &'a mut N;
|
||||
|
||||
#[doc(hidden)]
|
||||
#[inline(always)]
|
||||
unsafe fn get_unchecked_mut(self, matrix: &'a mut Matrix<N, R, C, S>) -> Self::OutputMut
|
||||
where S: StorageMut<N, R, C>,
|
||||
{
|
||||
matrix.data.get_unchecked_linear_mut(self)
|
||||
}
|
||||
}
|
||||
|
||||
// EXTRACT A SINGLE ELEMENT BY 2D COORDINATES
|
||||
|
||||
impl<'a, N, R, C, S> MatrixIndex<'a, N, R, C, S> for (usize, usize)
|
||||
where
|
||||
N: Scalar,
|
||||
R: Dim,
|
||||
C: Dim,
|
||||
S: Storage<N, R, C>
|
||||
{
|
||||
type Output = &'a N;
|
||||
|
||||
#[doc(hidden)]
|
||||
#[inline(always)]
|
||||
fn contained_by(&self, matrix: &Matrix<N, R, C, S>) -> bool {
|
||||
let (rows, cols) = self;
|
||||
let (nrows, ncols) = matrix.data.shape();
|
||||
DimRange::contained_by(rows, nrows) && DimRange::contained_by(cols, ncols)
|
||||
}
|
||||
|
||||
#[doc(hidden)]
|
||||
#[inline(always)]
|
||||
unsafe fn get_unchecked(self, matrix: &'a Matrix<N, R, C, S>) -> Self::Output {
|
||||
let (row, col) = self;
|
||||
matrix.data.get_unchecked(row, col)
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a, N, R, C, S> MutMatrixIndex<'a, N, R, C, S> for (usize, usize)
|
||||
where
|
||||
N: Scalar,
|
||||
R: Dim,
|
||||
C: Dim,
|
||||
S: StorageMut<N, R, C>
|
||||
{
|
||||
type OutputMut = &'a mut N;
|
||||
|
||||
#[doc(hidden)]
|
||||
#[inline(always)]
|
||||
unsafe fn get_unchecked_mut(self, matrix: &'a mut Matrix<N, R, C, S>) -> Self::OutputMut
|
||||
where S: StorageMut<N, R, C>,
|
||||
{
|
||||
let (row, col) = self;
|
||||
matrix.data.get_unchecked_mut(row, col)
|
||||
}
|
||||
}
|
||||
|
||||
macro_rules! impl_usize_slice_index {
|
||||
(index Matrix<$R: ident, $C: ident> with [$RIdx: ty, $CIdx: ty] -> ($ROut: ty, ..)) => {
|
||||
impl_usize_slice_index!{index Matrix<$R, $C> with [$RIdx, $CIdx] -> ($ROut, $C)}
|
||||
};
|
||||
(index Matrix<$R: ident, $C: ident> with [$RIdx: ty, $CIdx: ty] -> (.., $COut: ty)) => {
|
||||
impl_usize_slice_index!{index Matrix<$R, $C> with [$RIdx, $CIdx] -> ($R, $COut)}
|
||||
};
|
||||
(index Matrix<$R: ident, $C: ident> with [$RIdx: ty, $CIdx: ty] -> (.., ..)) => {
|
||||
impl_usize_slice_index!{index Matrix<$R, $C> with [$RIdx, $CIdx] -> ($R, $C)}
|
||||
};
|
||||
(index Matrix<$R: ident, $C: ident> with [$RIdx: ty, $CIdx: ty] -> ($ROut: ty, $COut: ty)) => {
|
||||
impl<'a, N, $R, $C, S> MatrixIndex<'a, N, $R, $C, S> for ($RIdx, $CIdx)
|
||||
where
|
||||
N: Scalar,
|
||||
$R: Dim,
|
||||
$C: Dim,
|
||||
S: Storage<N, R, C>
|
||||
{
|
||||
type Output = MatrixSlice<'a, N, $ROut, $COut, S::RStride, S::CStride>;
|
||||
|
||||
#[doc(hidden)]
|
||||
#[inline(always)]
|
||||
fn contained_by(&self, matrix: &Matrix<N, $R, $C, S>) -> bool {
|
||||
let (rows, cols) = self;
|
||||
let (nrows, ncols) = matrix.data.shape();
|
||||
DimRange::contained_by(rows, nrows) && DimRange::contained_by(cols, ncols)
|
||||
}
|
||||
|
||||
#[doc(hidden)]
|
||||
#[inline(always)]
|
||||
unsafe fn get_unchecked(self, matrix: &'a Matrix<N, $R, $C, S>) -> Self::Output {
|
||||
use base::SliceStorage;
|
||||
|
||||
let (rows, cols) = self;
|
||||
let (nrows, ncols) = matrix.data.shape();
|
||||
|
||||
let data =
|
||||
SliceStorage::new_unchecked(&matrix.data,
|
||||
(rows.lower(nrows), cols.lower(ncols)),
|
||||
(rows.length(nrows), cols.length(ncols)));
|
||||
|
||||
Matrix::from_data_statically_unchecked(data)
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a, N, $R, $C, S> MutMatrixIndex<'a, N, $R, $C, S> for ($RIdx, $CIdx)
|
||||
where
|
||||
N: Scalar,
|
||||
$R: Dim,
|
||||
$C: Dim,
|
||||
S: StorageMut<N, R, C>
|
||||
{
|
||||
type OutputMut = MatrixSliceMut<'a, N, $ROut, $COut, S::RStride, S::CStride>;
|
||||
|
||||
#[doc(hidden)]
|
||||
#[inline(always)]
|
||||
unsafe fn get_unchecked_mut(self, matrix: &'a mut Matrix<N, $R, $C, S>) -> Self::OutputMut {
|
||||
use base::SliceStorageMut;
|
||||
|
||||
let (rows, cols) = self;
|
||||
let (nrows, ncols) = matrix.data.shape();
|
||||
|
||||
let data =
|
||||
SliceStorageMut::new_unchecked(&mut matrix.data,
|
||||
(rows.lower(nrows), cols.lower(ncols)),
|
||||
(rows.length(nrows), cols.length(ncols)));
|
||||
|
||||
Matrix::from_data_statically_unchecked(data)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
macro_rules! impl_slice_indices{
|
||||
(index Matrix<$R: ident, $C: ident> with) => {};
|
||||
|
||||
(index Matrix<$R: ident, $C: ident> with usize => U1, $($RI: ty => $RO: tt,)*) =>
|
||||
{
|
||||
$(impl_usize_slice_index!{index Matrix<$R, $C> with [usize, $RI] -> (U1, $RO)})*
|
||||
$(impl_usize_slice_index!{index Matrix<$R, $C> with [$RI, usize] -> ($RO, U1)})*
|
||||
impl_slice_indices!{index Matrix<$R, $C> with $($RI => $RO,)*}
|
||||
};
|
||||
|
||||
(index Matrix<$R: ident, $C: ident> with
|
||||
$HI: ty => $HO: tt,
|
||||
$($RI: ty => $RO: tt,)*) =>
|
||||
{
|
||||
impl_usize_slice_index!{index Matrix<$R, $C> with [$HI, $HI] -> ($HO, $HO)}
|
||||
$(impl_usize_slice_index!{index Matrix<$R, $C> with [$HI, $RI] -> ($HO, $RO)})*
|
||||
$(impl_usize_slice_index!{index Matrix<$R, $C> with [$RI, $HI] -> ($RO, $HO)})*
|
||||
impl_slice_indices!{index Matrix<$R, $C> with $($RI => $RO,)*}
|
||||
};
|
||||
}
|
||||
|
||||
impl_slice_indices!{
|
||||
index Matrix<R, C> with
|
||||
usize => U1,
|
||||
ops::Range<usize> => Dynamic,
|
||||
ops::RangeFrom<usize> => Dynamic,
|
||||
ops::RangeFull => ..,
|
||||
ops::RangeInclusive<usize> => Dynamic,
|
||||
ops::RangeTo<usize> => Dynamic,
|
||||
ops::RangeToInclusive<usize> => Dynamic,
|
||||
}
|
|
@ -264,17 +264,6 @@ impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
|
|||
}
|
||||
}
|
||||
|
||||
/// Gets a reference to the element of this matrix at row `irow` and column `icol` without
|
||||
/// bound-checking.
|
||||
#[inline]
|
||||
pub unsafe fn get_unchecked(&self, irow: usize, icol: usize) -> &N {
|
||||
debug_assert!(
|
||||
irow < self.nrows() && icol < self.ncols(),
|
||||
"Matrix index out of bounds."
|
||||
);
|
||||
self.data.get_unchecked(irow, icol)
|
||||
}
|
||||
|
||||
/// Tests whether `self` and `rhs` are equal up to a given epsilon.
|
||||
///
|
||||
/// See `relative_eq` from the `RelativeEq` trait for more details.
|
||||
|
@ -375,7 +364,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
|
|||
for j in 0..res.ncols() {
|
||||
for i in 0..res.nrows() {
|
||||
unsafe {
|
||||
*res.get_unchecked_mut(i, j) = *self.get_unchecked(i, j);
|
||||
*res.get_unchecked_mut((i, j)) = *self.get_unchecked((i, j));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -523,7 +512,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
|
|||
for i in 0..nrows {
|
||||
for j in 0..ncols {
|
||||
unsafe {
|
||||
*out.get_unchecked_mut(j, i) = *self.get_unchecked(i, j);
|
||||
*out.get_unchecked_mut((j, i)) = *self.get_unchecked((i, j));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -551,16 +540,6 @@ impl<N: Scalar, R: Dim, C: Dim, S: StorageMut<N, R, C>> Matrix<N, R, C, S> {
|
|||
MatrixIterMut::new(&mut self.data)
|
||||
}
|
||||
|
||||
/// Gets a mutable reference to the i-th element of this matrix.
|
||||
#[inline]
|
||||
pub unsafe fn get_unchecked_mut(&mut self, irow: usize, icol: usize) -> &mut N {
|
||||
debug_assert!(
|
||||
irow < self.nrows() && icol < self.ncols(),
|
||||
"Matrix index out of bounds."
|
||||
);
|
||||
self.data.get_unchecked_mut(irow, icol)
|
||||
}
|
||||
|
||||
/// Swaps two entries without bound-checking.
|
||||
#[inline]
|
||||
pub unsafe fn swap_unchecked(&mut self, row_cols1: (usize, usize), row_cols2: (usize, usize)) {
|
||||
|
@ -599,7 +578,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: StorageMut<N, R, C>> Matrix<N, R, C, S> {
|
|||
for j in 0..ncols {
|
||||
for i in 0..nrows {
|
||||
unsafe {
|
||||
*self.get_unchecked_mut(i, j) = *slice.get_unchecked(i + j * nrows);
|
||||
*self.get_unchecked_mut((i, j)) = *slice.get_unchecked(i + j * nrows);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -622,7 +601,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: StorageMut<N, R, C>> Matrix<N, R, C, S> {
|
|||
for j in 0..self.ncols() {
|
||||
for i in 0..self.nrows() {
|
||||
unsafe {
|
||||
*self.get_unchecked_mut(i, j) = *other.get_unchecked(i, j);
|
||||
*self.get_unchecked_mut((i, j)) = *other.get_unchecked((i, j));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -646,7 +625,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: StorageMut<N, R, C>> Matrix<N, R, C, S> {
|
|||
for j in 0..ncols {
|
||||
for i in 0..nrows {
|
||||
unsafe {
|
||||
*self.get_unchecked_mut(i, j) = *other.get_unchecked(j, i);
|
||||
*self.get_unchecked_mut((i, j)) = *other.get_unchecked((j, i));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -743,7 +722,7 @@ impl<N: Real, R: Dim, C: Dim, S: Storage<Complex<N>, R, C>> Matrix<Complex<N>, R
|
|||
for i in 0..nrows {
|
||||
for j in 0..ncols {
|
||||
unsafe {
|
||||
*out.get_unchecked_mut(j, i) = self.get_unchecked(i, j).conj();
|
||||
*out.get_unchecked_mut((j, i)) = self.get_unchecked((i, j)).conj();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -777,8 +756,8 @@ impl<N: Real, D: Dim, S: StorageMut<Complex<N>, D, D>> Matrix<Complex<N>, D, D,
|
|||
for i in 1..dim {
|
||||
for j in 0..i {
|
||||
unsafe {
|
||||
let ref_ij = self.get_unchecked_mut(i, j) as *mut Complex<N>;
|
||||
let ref_ji = self.get_unchecked_mut(j, i) as *mut Complex<N>;
|
||||
let ref_ij = self.get_unchecked_mut((i, j)) as *mut Complex<N>;
|
||||
let ref_ji = self.get_unchecked_mut((j, i)) as *mut Complex<N>;
|
||||
let conj_ij = (*ref_ij).conj();
|
||||
let conj_ji = (*ref_ji).conj();
|
||||
*ref_ij = conj_ji;
|
||||
|
@ -804,7 +783,7 @@ impl<N: Scalar, D: Dim, S: Storage<N, D, D>> SquareMatrix<N, D, S> {
|
|||
|
||||
for i in 0..dim.value() {
|
||||
unsafe {
|
||||
*res.vget_unchecked_mut(i) = *self.get_unchecked(i, i);
|
||||
*res.vget_unchecked_mut(i) = *self.get_unchecked((i, i));
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -824,7 +803,7 @@ impl<N: Scalar, D: Dim, S: Storage<N, D, D>> SquareMatrix<N, D, S> {
|
|||
let mut res = N::zero();
|
||||
|
||||
for i in 0..dim.value() {
|
||||
res += unsafe { *self.get_unchecked(i, i) };
|
||||
res += unsafe { *self.get_unchecked((i, i)) };
|
||||
}
|
||||
|
||||
res
|
||||
|
@ -1140,8 +1119,8 @@ impl<N: Scalar + Ring, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
|
|||
assert!(self.shape() == (2, 1), "2D perpendicular product ");
|
||||
|
||||
unsafe {
|
||||
*self.get_unchecked(0, 0) * *b.get_unchecked(1, 0)
|
||||
- *self.get_unchecked(1, 0) * *b.get_unchecked(0, 0)
|
||||
*self.get_unchecked((0, 0)) * *b.get_unchecked((1, 0))
|
||||
- *self.get_unchecked((1, 0)) * *b.get_unchecked((0, 0))
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -1176,17 +1155,17 @@ impl<N: Scalar + Ring, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
|
|||
let ncols = SameShapeC::<C, C2>::from_usize(1);
|
||||
let mut res = Matrix::new_uninitialized_generic(nrows, ncols);
|
||||
|
||||
let ax = *self.get_unchecked(0, 0);
|
||||
let ay = *self.get_unchecked(1, 0);
|
||||
let az = *self.get_unchecked(2, 0);
|
||||
let ax = *self.get_unchecked((0, 0));
|
||||
let ay = *self.get_unchecked((1, 0));
|
||||
let az = *self.get_unchecked((2, 0));
|
||||
|
||||
let bx = *b.get_unchecked(0, 0);
|
||||
let by = *b.get_unchecked(1, 0);
|
||||
let bz = *b.get_unchecked(2, 0);
|
||||
let bx = *b.get_unchecked((0, 0));
|
||||
let by = *b.get_unchecked((1, 0));
|
||||
let bz = *b.get_unchecked((2, 0));
|
||||
|
||||
*res.get_unchecked_mut(0, 0) = ay * bz - az * by;
|
||||
*res.get_unchecked_mut(1, 0) = az * bx - ax * bz;
|
||||
*res.get_unchecked_mut(2, 0) = ax * by - ay * bx;
|
||||
*res.get_unchecked_mut((0, 0)) = ay * bz - az * by;
|
||||
*res.get_unchecked_mut((1, 0)) = az * bx - ax * bz;
|
||||
*res.get_unchecked_mut((2, 0)) = ax * by - ay * bx;
|
||||
|
||||
res
|
||||
}
|
||||
|
@ -1197,17 +1176,17 @@ impl<N: Scalar + Ring, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
|
|||
let ncols = SameShapeC::<C, C2>::from_usize(3);
|
||||
let mut res = Matrix::new_uninitialized_generic(nrows, ncols);
|
||||
|
||||
let ax = *self.get_unchecked(0, 0);
|
||||
let ay = *self.get_unchecked(0, 1);
|
||||
let az = *self.get_unchecked(0, 2);
|
||||
let ax = *self.get_unchecked((0, 0));
|
||||
let ay = *self.get_unchecked((0, 1));
|
||||
let az = *self.get_unchecked((0, 2));
|
||||
|
||||
let bx = *b.get_unchecked(0, 0);
|
||||
let by = *b.get_unchecked(0, 1);
|
||||
let bz = *b.get_unchecked(0, 2);
|
||||
let bx = *b.get_unchecked((0, 0));
|
||||
let by = *b.get_unchecked((0, 1));
|
||||
let bz = *b.get_unchecked((0, 2));
|
||||
|
||||
*res.get_unchecked_mut(0, 0) = ay * bz - az * by;
|
||||
*res.get_unchecked_mut(0, 1) = az * bx - ax * bz;
|
||||
*res.get_unchecked_mut(0, 2) = ax * by - ay * bx;
|
||||
*res.get_unchecked_mut((0, 0)) = ay * bz - az * by;
|
||||
*res.get_unchecked_mut((0, 1)) = az * bx - ax * bz;
|
||||
*res.get_unchecked_mut((0, 2)) = ax * by - ay * bx;
|
||||
|
||||
res
|
||||
}
|
||||
|
|
|
@ -18,6 +18,7 @@ mod construction;
|
|||
mod construction_slice;
|
||||
mod conversion;
|
||||
mod edition;
|
||||
pub mod indexing;
|
||||
mod matrix;
|
||||
mod matrix_alga;
|
||||
mod array_storage;
|
||||
|
|
|
@ -45,7 +45,7 @@ where
|
|||
"Matrix index out of bounds."
|
||||
);
|
||||
|
||||
unsafe { self.get_unchecked(ij.0, ij.1) }
|
||||
unsafe { self.get_unchecked((ij.0, ij.1)) }
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -71,7 +71,7 @@ where
|
|||
"Matrix index out of bounds."
|
||||
);
|
||||
|
||||
unsafe { self.get_unchecked_mut(ij.0, ij.1) }
|
||||
unsafe { self.get_unchecked_mut((ij.0, ij.1)) }
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -172,8 +172,8 @@ macro_rules! componentwise_binop_impl(
|
|||
for j in 0 .. self.ncols() {
|
||||
for i in 0 .. self.nrows() {
|
||||
unsafe {
|
||||
let val = self.get_unchecked(i, j).$method(*rhs.get_unchecked(i, j));
|
||||
*out.get_unchecked_mut(i, j) = val;
|
||||
let val = self.get_unchecked((i, j)).$method(*rhs.get_unchecked((i, j)));
|
||||
*out.get_unchecked_mut((i, j)) = val;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -204,7 +204,7 @@ macro_rules! componentwise_binop_impl(
|
|||
for j in 0 .. rhs.ncols() {
|
||||
for i in 0 .. rhs.nrows() {
|
||||
unsafe {
|
||||
self.get_unchecked_mut(i, j).$method_assign(*rhs.get_unchecked(i, j))
|
||||
self.get_unchecked_mut((i, j)).$method_assign(*rhs.get_unchecked((i, j)))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -235,8 +235,8 @@ macro_rules! componentwise_binop_impl(
|
|||
for j in 0 .. self.ncols() {
|
||||
for i in 0 .. self.nrows() {
|
||||
unsafe {
|
||||
let r = rhs.get_unchecked_mut(i, j);
|
||||
*r = self.get_unchecked(i, j).$method(*r)
|
||||
let r = rhs.get_unchecked_mut((i, j));
|
||||
*r = self.get_unchecked((i, j)).$method(*r)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -448,7 +448,7 @@ macro_rules! componentwise_scalarop_impl(
|
|||
fn $method_assign(&mut self, rhs: N) {
|
||||
for j in 0 .. self.ncols() {
|
||||
for i in 0 .. self.nrows() {
|
||||
unsafe { self.get_unchecked_mut(i, j).$method_assign(rhs) };
|
||||
unsafe { self.get_unchecked_mut((i, j)).$method_assign(rhs) };
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -657,7 +657,7 @@ where
|
|||
for i in 0..ncols1 {
|
||||
for j in 0..ncols2 {
|
||||
let dot = self.column(i).dot(&rhs.column(j));
|
||||
unsafe { *out.get_unchecked_mut(i, j) = dot };
|
||||
unsafe { *out.get_unchecked_mut((i, j)) = dot };
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -704,10 +704,10 @@ where
|
|||
for j2 in 0..ncols2.value() {
|
||||
for i1 in 0..nrows1.value() {
|
||||
unsafe {
|
||||
let coeff = *self.get_unchecked(i1, j1);
|
||||
let coeff = *self.get_unchecked((i1, j1));
|
||||
|
||||
for i2 in 0..nrows2.value() {
|
||||
*data_res = coeff * *rhs.get_unchecked(i2, j2);
|
||||
*data_res = coeff * *rhs.get_unchecked((i2, j2));
|
||||
data_res = data_res.offset(1);
|
||||
}
|
||||
}
|
||||
|
|
|
@ -143,7 +143,7 @@ md_impl_all!(
|
|||
|
||||
if C::has_normalizer() {
|
||||
let normalizer = self.matrix().fixed_slice::<U1, D>(D::dim(), 0);
|
||||
let n = normalizer.tr_dot(&rhs.coords) + unsafe { *self.matrix().get_unchecked(D::dim(), D::dim()) };
|
||||
let n = normalizer.tr_dot(&rhs.coords) + unsafe { *self.matrix().get_unchecked((D::dim(), D::dim())) };
|
||||
|
||||
if !n.is_zero() {
|
||||
return (transform * rhs + translation) / n;
|
||||
|
|
|
@ -425,11 +425,11 @@ impl<N: Real> UnitComplex<N> {
|
|||
|
||||
for j in 0..rhs.ncols() {
|
||||
unsafe {
|
||||
let a = *rhs.get_unchecked(0, j);
|
||||
let b = *rhs.get_unchecked(1, j);
|
||||
let a = *rhs.get_unchecked((0, j));
|
||||
let b = *rhs.get_unchecked((1, j));
|
||||
|
||||
*rhs.get_unchecked_mut(0, j) = r * a - i * b;
|
||||
*rhs.get_unchecked_mut(1, j) = i * a + r * b;
|
||||
*rhs.get_unchecked_mut((0, j)) = r * a - i * b;
|
||||
*rhs.get_unchecked_mut((1, j)) = i * a + r * b;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -452,11 +452,11 @@ impl<N: Real> UnitComplex<N> {
|
|||
// FIXME: can we optimize that to iterate on one column at a time ?
|
||||
for j in 0..lhs.nrows() {
|
||||
unsafe {
|
||||
let a = *lhs.get_unchecked(j, 0);
|
||||
let b = *lhs.get_unchecked(j, 1);
|
||||
let a = *lhs.get_unchecked((j, 0));
|
||||
let b = *lhs.get_unchecked((j, 1));
|
||||
|
||||
*lhs.get_unchecked_mut(j, 0) = r * a + i * b;
|
||||
*lhs.get_unchecked_mut(j, 1) = -i * a + r * b;
|
||||
*lhs.get_unchecked_mut((j, 0)) = r * a + i * b;
|
||||
*lhs.get_unchecked_mut((j, 1)) = -i * a + r * b;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
@ -52,7 +52,7 @@ where DefaultAllocator: Allocator<N, D, D>
|
|||
|
||||
for j in 0..n {
|
||||
for k in 0..j {
|
||||
let factor = unsafe { -*matrix.get_unchecked(j, k) };
|
||||
let factor = unsafe { -*matrix.get_unchecked((j, k)) };
|
||||
|
||||
let (mut col_j, col_k) = matrix.columns_range_pair_mut(j, k);
|
||||
let mut col_j = col_j.rows_range_mut(j..);
|
||||
|
@ -61,11 +61,11 @@ where DefaultAllocator: Allocator<N, D, D>
|
|||
col_j.axpy(factor, &col_k, N::one());
|
||||
}
|
||||
|
||||
let diag = unsafe { *matrix.get_unchecked(j, j) };
|
||||
let diag = unsafe { *matrix.get_unchecked((j, j)) };
|
||||
if diag > N::zero() {
|
||||
let denom = diag.sqrt();
|
||||
unsafe {
|
||||
*matrix.get_unchecked_mut(j, j) = denom;
|
||||
*matrix.get_unchecked_mut((j, j)) = denom;
|
||||
}
|
||||
|
||||
let mut col = matrix.slice_range_mut(j + 1.., j);
|
||||
|
|
|
@ -23,27 +23,27 @@ impl<N: Real, D: DimMin<D, Output = D>, S: Storage<N, D, D>> SquareMatrix<N, D,
|
|||
unsafe {
|
||||
match dim {
|
||||
0 => N::one(),
|
||||
1 => *self.get_unchecked(0, 0),
|
||||
1 => *self.get_unchecked((0, 0)),
|
||||
2 => {
|
||||
let m11 = *self.get_unchecked(0, 0);
|
||||
let m12 = *self.get_unchecked(0, 1);
|
||||
let m21 = *self.get_unchecked(1, 0);
|
||||
let m22 = *self.get_unchecked(1, 1);
|
||||
let m11 = *self.get_unchecked((0, 0));
|
||||
let m12 = *self.get_unchecked((0, 1));
|
||||
let m21 = *self.get_unchecked((1, 0));
|
||||
let m22 = *self.get_unchecked((1, 1));
|
||||
|
||||
m11 * m22 - m21 * m12
|
||||
}
|
||||
3 => {
|
||||
let m11 = *self.get_unchecked(0, 0);
|
||||
let m12 = *self.get_unchecked(0, 1);
|
||||
let m13 = *self.get_unchecked(0, 2);
|
||||
let m11 = *self.get_unchecked((0, 0));
|
||||
let m12 = *self.get_unchecked((0, 1));
|
||||
let m13 = *self.get_unchecked((0, 2));
|
||||
|
||||
let m21 = *self.get_unchecked(1, 0);
|
||||
let m22 = *self.get_unchecked(1, 1);
|
||||
let m23 = *self.get_unchecked(1, 2);
|
||||
let m21 = *self.get_unchecked((1, 0));
|
||||
let m22 = *self.get_unchecked((1, 1));
|
||||
let m23 = *self.get_unchecked((1, 2));
|
||||
|
||||
let m31 = *self.get_unchecked(2, 0);
|
||||
let m32 = *self.get_unchecked(2, 1);
|
||||
let m33 = *self.get_unchecked(2, 2);
|
||||
let m31 = *self.get_unchecked((2, 0));
|
||||
let m32 = *self.get_unchecked((2, 1));
|
||||
let m33 = *self.get_unchecked((2, 2));
|
||||
|
||||
let minor_m12_m23 = m22 * m33 - m32 * m23;
|
||||
let minor_m11_m23 = m21 * m33 - m31 * m23;
|
||||
|
|
|
@ -251,7 +251,7 @@ where DefaultAllocator: Allocator<N, D, D> + Allocator<(usize, usize), D>
|
|||
let mut res = self.lu[(dim - 1, dim - 1)];
|
||||
if !res.is_zero() {
|
||||
for i in 0..dim - 1 {
|
||||
res *= unsafe { *self.lu.get_unchecked(i, i) };
|
||||
res *= unsafe { *self.lu.get_unchecked((i, i)) };
|
||||
}
|
||||
|
||||
res * self.p.determinant() * self.q.determinant()
|
||||
|
|
|
@ -35,46 +35,46 @@ impl<N: Real, D: Dim, S: StorageMut<N, D, D>> SquareMatrix<N, D, S> {
|
|||
match dim {
|
||||
0 => true,
|
||||
1 => {
|
||||
let determinant = self.get_unchecked(0, 0).clone();
|
||||
let determinant = self.get_unchecked((0, 0)).clone();
|
||||
if determinant == N::zero() {
|
||||
false
|
||||
} else {
|
||||
*self.get_unchecked_mut(0, 0) = N::one() / determinant;
|
||||
*self.get_unchecked_mut((0, 0)) = N::one() / determinant;
|
||||
true
|
||||
}
|
||||
}
|
||||
2 => {
|
||||
let m11 = *self.get_unchecked(0, 0);
|
||||
let m12 = *self.get_unchecked(0, 1);
|
||||
let m21 = *self.get_unchecked(1, 0);
|
||||
let m22 = *self.get_unchecked(1, 1);
|
||||
let m11 = *self.get_unchecked((0, 0));
|
||||
let m12 = *self.get_unchecked((0, 1));
|
||||
let m21 = *self.get_unchecked((1, 0));
|
||||
let m22 = *self.get_unchecked((1, 1));
|
||||
|
||||
let determinant = m11 * m22 - m21 * m12;
|
||||
|
||||
if determinant == N::zero() {
|
||||
false
|
||||
} else {
|
||||
*self.get_unchecked_mut(0, 0) = m22 / determinant;
|
||||
*self.get_unchecked_mut(0, 1) = -m12 / determinant;
|
||||
*self.get_unchecked_mut((0, 0)) = m22 / determinant;
|
||||
*self.get_unchecked_mut((0, 1)) = -m12 / determinant;
|
||||
|
||||
*self.get_unchecked_mut(1, 0) = -m21 / determinant;
|
||||
*self.get_unchecked_mut(1, 1) = m11 / determinant;
|
||||
*self.get_unchecked_mut((1, 0)) = -m21 / determinant;
|
||||
*self.get_unchecked_mut((1, 1)) = m11 / determinant;
|
||||
|
||||
true
|
||||
}
|
||||
}
|
||||
3 => {
|
||||
let m11 = *self.get_unchecked(0, 0);
|
||||
let m12 = *self.get_unchecked(0, 1);
|
||||
let m13 = *self.get_unchecked(0, 2);
|
||||
let m11 = *self.get_unchecked((0, 0));
|
||||
let m12 = *self.get_unchecked((0, 1));
|
||||
let m13 = *self.get_unchecked((0, 2));
|
||||
|
||||
let m21 = *self.get_unchecked(1, 0);
|
||||
let m22 = *self.get_unchecked(1, 1);
|
||||
let m23 = *self.get_unchecked(1, 2);
|
||||
let m21 = *self.get_unchecked((1, 0));
|
||||
let m22 = *self.get_unchecked((1, 1));
|
||||
let m23 = *self.get_unchecked((1, 2));
|
||||
|
||||
let m31 = *self.get_unchecked(2, 0);
|
||||
let m32 = *self.get_unchecked(2, 1);
|
||||
let m33 = *self.get_unchecked(2, 2);
|
||||
let m31 = *self.get_unchecked((2, 0));
|
||||
let m32 = *self.get_unchecked((2, 1));
|
||||
let m33 = *self.get_unchecked((2, 2));
|
||||
|
||||
let minor_m12_m23 = m22 * m33 - m32 * m23;
|
||||
let minor_m11_m23 = m21 * m33 - m31 * m23;
|
||||
|
@ -86,17 +86,17 @@ impl<N: Real, D: Dim, S: StorageMut<N, D, D>> SquareMatrix<N, D, S> {
|
|||
if determinant == N::zero() {
|
||||
false
|
||||
} else {
|
||||
*self.get_unchecked_mut(0, 0) = minor_m12_m23 / determinant;
|
||||
*self.get_unchecked_mut(0, 1) = (m13 * m32 - m33 * m12) / determinant;
|
||||
*self.get_unchecked_mut(0, 2) = (m12 * m23 - m22 * m13) / determinant;
|
||||
*self.get_unchecked_mut((0, 0)) = minor_m12_m23 / determinant;
|
||||
*self.get_unchecked_mut((0, 1)) = (m13 * m32 - m33 * m12) / determinant;
|
||||
*self.get_unchecked_mut((0, 2)) = (m12 * m23 - m22 * m13) / determinant;
|
||||
|
||||
*self.get_unchecked_mut(1, 0) = -minor_m11_m23 / determinant;
|
||||
*self.get_unchecked_mut(1, 1) = (m11 * m33 - m31 * m13) / determinant;
|
||||
*self.get_unchecked_mut(1, 2) = (m13 * m21 - m23 * m11) / determinant;
|
||||
*self.get_unchecked_mut((1, 0)) = -minor_m11_m23 / determinant;
|
||||
*self.get_unchecked_mut((1, 1)) = (m11 * m33 - m31 * m13) / determinant;
|
||||
*self.get_unchecked_mut((1, 2)) = (m13 * m21 - m23 * m11) / determinant;
|
||||
|
||||
*self.get_unchecked_mut(2, 0) = minor_m11_m22 / determinant;
|
||||
*self.get_unchecked_mut(2, 1) = (m12 * m31 - m32 * m11) / determinant;
|
||||
*self.get_unchecked_mut(2, 2) = (m11 * m22 - m21 * m12) / determinant;
|
||||
*self.get_unchecked_mut((2, 0)) = minor_m11_m22 / determinant;
|
||||
*self.get_unchecked_mut((2, 1)) = (m12 * m31 - m32 * m11) / determinant;
|
||||
*self.get_unchecked_mut((2, 2)) = (m11 * m22 - m21 * m12) / determinant;
|
||||
|
||||
true
|
||||
}
|
||||
|
|
|
@ -290,7 +290,7 @@ where DefaultAllocator: Allocator<N, D, D> + Allocator<(usize, usize), D>
|
|||
|
||||
let mut res = N::one();
|
||||
for i in 0..dim {
|
||||
res *= unsafe { *self.lu.get_unchecked(i, i) };
|
||||
res *= unsafe { *self.lu.get_unchecked((i, i)) };
|
||||
}
|
||||
|
||||
res * self.p.determinant()
|
||||
|
|
|
@ -79,7 +79,7 @@ impl<N: Real, D: Dim, S: Storage<N, D, D>> SquareMatrix<N, D, S> {
|
|||
let coeff;
|
||||
|
||||
unsafe {
|
||||
let diag = *self.get_unchecked(i, i);
|
||||
let diag = *self.get_unchecked((i, i));
|
||||
|
||||
if diag.is_zero() {
|
||||
return false;
|
||||
|
@ -161,7 +161,7 @@ impl<N: Real, D: Dim, S: Storage<N, D, D>> SquareMatrix<N, D, S> {
|
|||
let coeff;
|
||||
|
||||
unsafe {
|
||||
let diag = *self.get_unchecked(i, i);
|
||||
let diag = *self.get_unchecked((i, i));
|
||||
|
||||
if diag.is_zero() {
|
||||
return false;
|
||||
|
@ -258,7 +258,7 @@ impl<N: Real, D: Dim, S: Storage<N, D, D>> SquareMatrix<N, D, S> {
|
|||
unsafe {
|
||||
let b_i = b.vget_unchecked_mut(i);
|
||||
|
||||
let diag = *self.get_unchecked(i, i);
|
||||
let diag = *self.get_unchecked((i, i));
|
||||
|
||||
if diag.is_zero() {
|
||||
return false;
|
||||
|
@ -304,7 +304,7 @@ impl<N: Real, D: Dim, S: Storage<N, D, D>> SquareMatrix<N, D, S> {
|
|||
|
||||
unsafe {
|
||||
let b_i = b.vget_unchecked_mut(i);
|
||||
let diag = *self.get_unchecked(i, i);
|
||||
let diag = *self.get_unchecked((i, i));
|
||||
|
||||
if diag.is_zero() {
|
||||
return false;
|
||||
|
|
Loading…
Reference in New Issue