forked from M-Labs/nalgebra
Restore most of @oleglite Row/Col implementations lost during the last merge.
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bfd97beffe
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@ -454,28 +454,23 @@ macro_rules! dmat_impl(
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}
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}
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#[inline]
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#[inline]
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fn set_col(&mut self, col_id: usize, v: $dvec<N>) {
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fn set_col(&mut self, col_id: usize, col: $dvec<N>) {
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assert!(col_id < self.ncols);
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assert!(col_id < self.ncols);
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assert!(self.nrows == v.len());
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assert!(col.len() == self.nrows);
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for (i, e) in v[..].iter().enumerate() {
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for row_id in 0 .. self.nrows {
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unsafe {
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unsafe {
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self.unsafe_set((i, col_id), *e);
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self.unsafe_set((row_id, col_id), col.unsafe_at(row_id));
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}
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}
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}
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}
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}
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}
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#[inline]
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fn col(&self, col_id: usize) -> $dvec<N> {
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fn col(&self, col_id: usize) -> $dvec<N> {
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let mut res: $dvec<N> = unsafe {
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assert!(col_id < self.ncols);
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$dvec::new_uninitialized(self.nrows)
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};
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for (row_id, e) in res[..].iter_mut().enumerate() {
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let start = self.offset(0, col_id);
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*e = unsafe { self.unsafe_at((row_id, col_id)) };
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let stop = self.offset(self.nrows, col_id);
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}
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$dvec::from_slice(self.nrows, &self.mij[start .. stop])
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res
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}
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}
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}
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}
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@ -486,8 +481,8 @@ macro_rules! dmat_impl(
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assert!(row_end <= self.nrows);
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assert!(row_end <= self.nrows);
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// We can init from slice thanks to the matrix being column-major.
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// We can init from slice thanks to the matrix being column-major.
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let start= self.offset(row_start, col_id);
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let start = self.offset(row_start, col_id);
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let stop = self.offset(row_end, col_id);
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let stop = self.offset(row_end, col_id);
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let slice = $dvec::from_slice(row_end - row_start, &self.mij[start .. stop]);
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let slice = $dvec::from_slice(row_end - row_start, &self.mij[start .. stop]);
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slice
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slice
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@ -501,28 +496,31 @@ macro_rules! dmat_impl(
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}
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}
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#[inline]
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#[inline]
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fn set_row(&mut self, row_id: usize, v: $dvec<N>) {
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fn set_row(&mut self, row_id: usize, row: $dvec<N>) {
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assert!(row_id < self.nrows);
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assert!(row_id < self.nrows);
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assert!(self.ncols == v.len());
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assert!(row.len() == self.ncols);
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for (i, e) in v[..].iter().enumerate() {
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for col_id in 0 .. self.ncols {
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unsafe {
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unsafe {
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self.unsafe_set((row_id, i), *e);
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self.unsafe_set((row_id, col_id), row.unsafe_at(col_id));
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}
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}
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}
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}
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}
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}
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#[inline]
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#[inline]
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fn row(&self, row_id: usize) -> $dvec<N> {
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fn row(&self, row_id: usize) -> $dvec<N> {
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let mut res: $dvec<N> = unsafe {
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assert!(row_id < self.nrows);
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let mut slice : $dvec<N> = unsafe {
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$dvec::new_uninitialized(self.ncols)
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$dvec::new_uninitialized(self.ncols)
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};
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};
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for (col_id, e) in res[..].iter_mut().enumerate() {
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for col_id in 0 .. self.ncols {
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*e = unsafe { self.unsafe_at((row_id, col_id)) };
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unsafe {
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slice.unsafe_set(col_id, self.unsafe_at((row_id, col_id)));
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}
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}
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}
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slice
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res
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}
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}
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}
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}
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@ -536,7 +534,7 @@ macro_rules! dmat_impl(
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$dvec::new_uninitialized(col_end - col_start)
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$dvec::new_uninitialized(col_end - col_start)
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};
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};
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let mut slice_idx = 0;
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let mut slice_idx = 0;
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for col_id in col_start..col_end {
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for col_id in col_start .. col_end {
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unsafe {
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unsafe {
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slice.unsafe_set(slice_idx, self.unsafe_at((row_id, col_id)));
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slice.unsafe_set(slice_idx, self.unsafe_at((row_id, col_id)));
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}
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}
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