Do not automatically impl Scalar{Mul,Div,Add,Sub}.
This makes them implementable without using the double dispatch trick.
This commit is contained in:
Sébastien Crozet
parent
93b184815f
commit
36d3e88cb0
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@ -7,7 +7,8 @@ use std::num::{Zero, One, Bounded};
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use std::slice::{Items, MutItems};
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use std::iter::{Iterator, FromIterator};
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use traits::operations::{ApproxEq, POrd, POrdering, PartialLess, PartialEqual,
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PartialGreater, NotComparable, Axpy};
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PartialGreater, NotComparable, Axpy, ScalarAdd, ScalarSub, ScalarMul,
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ScalarDiv};
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use traits::structure::{Cast, Dim, Indexable, Iterable, IterableMut, PntAsVec, Shape,
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NumPnt, FloatPnt};
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use traits::geometry::{Orig, FromHomogeneous, ToHomogeneous};
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@ -65,6 +66,7 @@ pnt_sub_impl!(Pnt1, Vec1, Pnt1SubRhs)
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neg_impl!(Pnt1, x)
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pnt_add_vec_impl!(Pnt1, Vec1, Pnt1AddRhs, x)
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pnt_sub_vec_impl!(Pnt1, Vec1, Pnt1SubRhs, x)
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scalar_ops_impl!(Pnt1, x)
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vec_mul_scalar_impl!(Pnt1, f64, Pnt1MulRhs, x)
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vec_mul_scalar_impl!(Pnt1, f32, Pnt1MulRhs, x)
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vec_mul_scalar_impl!(Pnt1, u64, Pnt1MulRhs, x)
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@ -158,6 +160,7 @@ pnt_sub_impl!(Pnt2, Vec2, Pnt2SubRhs)
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neg_impl!(Pnt2, x, y)
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pnt_add_vec_impl!(Pnt2, Vec2, Pnt2AddRhs, x, y)
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pnt_sub_vec_impl!(Pnt2, Vec2, Pnt2SubRhs, x, y)
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scalar_ops_impl!(Pnt2, x, y)
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vec_mul_scalar_impl!(Pnt2, f64, Pnt2MulRhs, x, y)
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vec_mul_scalar_impl!(Pnt2, f32, Pnt2MulRhs, x, y)
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vec_mul_scalar_impl!(Pnt2, u64, Pnt2MulRhs, x, y)
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@ -253,6 +256,7 @@ pnt_sub_impl!(Pnt3, Vec3, Pnt3SubRhs)
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neg_impl!(Pnt3, x, y, z)
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pnt_add_vec_impl!(Pnt3, Vec3, Pnt3AddRhs, x, y, z)
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pnt_sub_vec_impl!(Pnt3, Vec3, Pnt3SubRhs, x, y, z)
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scalar_ops_impl!(Pnt3, x, y, z)
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vec_mul_scalar_impl!(Pnt3, f64, Pnt3MulRhs, x, y, z)
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vec_mul_scalar_impl!(Pnt3, f32, Pnt3MulRhs, x, y, z)
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vec_mul_scalar_impl!(Pnt3, u64, Pnt3MulRhs, x, y, z)
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@ -350,6 +354,7 @@ pnt_sub_impl!(Pnt4, Vec4, Pnt4SubRhs)
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neg_impl!(Pnt4, x, y, z, w)
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pnt_add_vec_impl!(Pnt4, Vec4, Pnt4AddRhs, x, y, z, w)
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pnt_sub_vec_impl!(Pnt4, Vec4, Pnt4SubRhs, x, y, z, w)
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scalar_ops_impl!(Pnt4, x, y, z, w)
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vec_mul_scalar_impl!(Pnt4, f64, Pnt4MulRhs, x, y, z, w)
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vec_mul_scalar_impl!(Pnt4, f32, Pnt4MulRhs, x, y, z, w)
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vec_mul_scalar_impl!(Pnt4, u64, Pnt4MulRhs, x, y, z, w)
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@ -449,6 +454,7 @@ pnt_sub_impl!(Pnt5, Vec5, Pnt5SubRhs)
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neg_impl!(Pnt5, x, y, z, w, a)
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pnt_add_vec_impl!(Pnt5, Vec5, Pnt5AddRhs, x, y, z, w, a)
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pnt_sub_vec_impl!(Pnt5, Vec5, Pnt5SubRhs, x, y, z, w, a)
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scalar_ops_impl!(Pnt5, x, y, z, w, a)
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vec_mul_scalar_impl!(Pnt5, f64, Pnt5MulRhs, x, y, z, w, a)
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vec_mul_scalar_impl!(Pnt5, f32, Pnt5MulRhs, x, y, z, w, a)
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vec_mul_scalar_impl!(Pnt5, u64, Pnt5MulRhs, x, y, z, w, a)
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@ -550,6 +556,7 @@ pnt_sub_impl!(Pnt6, Vec6, Pnt6SubRhs)
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neg_impl!(Pnt6, x, y, z, w, a, b)
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pnt_add_vec_impl!(Pnt6, Vec6, Pnt6AddRhs, x, y, z, w, a, b)
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pnt_sub_vec_impl!(Pnt6, Vec6, Pnt6SubRhs, x, y, z, w, a, b)
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scalar_ops_impl!(Pnt6, x, y, z, w, a, b)
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vec_mul_scalar_impl!(Pnt6, f64, Pnt6MulRhs, x, y, z, w, a, b)
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vec_mul_scalar_impl!(Pnt6, f32, Pnt6MulRhs, x, y, z, w, a, b)
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vec_mul_scalar_impl!(Pnt6, u64, Pnt6MulRhs, x, y, z, w, a, b)
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@ -9,7 +9,8 @@ use std::rand::{Rand, Rng};
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use std::slice::{Items, MutItems};
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use structs::{Vec3, Pnt3, Rot3, Mat3, Vec3MulRhs, Pnt3MulRhs};
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use traits::operations::{ApproxEq, Inv, POrd, POrdering, NotComparable, PartialLess,
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PartialGreater, PartialEqual, Axpy};
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PartialGreater, PartialEqual, Axpy, ScalarAdd, ScalarSub, ScalarMul,
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ScalarDiv};
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use traits::structure::{Cast, Indexable, Iterable, IterableMut, Dim, Shape};
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use traits::geometry::{Norm, Cross, Rotation, Rotate, Transform};
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@ -470,6 +471,7 @@ container_impl!(Quat)
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add_impl!(Quat, QuatAddRhs, w, i, j, k)
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sub_impl!(Quat, QuatSubRhs, w, i, j, k)
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neg_impl!(Quat, w, i, j, k)
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scalar_ops_impl!(Quat, w, i, j, k)
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vec_mul_scalar_impl!(Quat, f64, QuatMulRhs, w, i, j, k)
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vec_mul_scalar_impl!(Quat, f32, QuatMulRhs, w, i, j, k)
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vec_mul_scalar_impl!(Quat, u64, QuatMulRhs, w, i, j, k)
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@ -7,7 +7,8 @@ use std::num::{Zero, One, Float, Bounded};
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use std::slice::{Items, MutItems};
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use std::iter::{Iterator, FromIterator};
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use traits::operations::{ApproxEq, POrd, POrdering, PartialLess, PartialEqual,
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PartialGreater, NotComparable, Axpy};
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PartialGreater, NotComparable, Axpy, ScalarAdd, ScalarSub, ScalarMul,
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ScalarDiv};
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use traits::geometry::{Transform, Rotate, FromHomogeneous, ToHomogeneous, Dot, Norm,
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Translation, Translate};
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use traits::structure::{Basis, Cast, Dim, Indexable, Iterable, IterableMut, VecAsPnt, Shape,
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@ -68,6 +69,7 @@ mul_impl!(Vec1, Vec1MulRhs, x)
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div_impl!(Vec1, Vec1DivRhs, x)
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neg_impl!(Vec1, x)
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dot_impl!(Vec1, x)
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scalar_ops_impl!(Vec1, x)
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vec_mul_scalar_impl!(Vec1, f64, Vec1MulRhs, x)
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vec_mul_scalar_impl!(Vec1, f32, Vec1MulRhs, x)
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vec_mul_scalar_impl!(Vec1, u64, Vec1MulRhs, x)
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@ -171,6 +173,7 @@ mul_impl!(Vec2, Vec2MulRhs, x, y)
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div_impl!(Vec2, Vec2DivRhs, x, y)
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neg_impl!(Vec2, x, y)
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dot_impl!(Vec2, x, y)
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scalar_ops_impl!(Vec2, x, y)
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vec_mul_scalar_impl!(Vec2, f64, Vec2MulRhs, x, y)
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vec_mul_scalar_impl!(Vec2, f32, Vec2MulRhs, x, y)
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vec_mul_scalar_impl!(Vec2, u64, Vec2MulRhs, x, y)
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@ -276,6 +279,7 @@ mul_impl!(Vec3, Vec3MulRhs, x, y, z)
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div_impl!(Vec3, Vec3DivRhs, x, y, z)
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neg_impl!(Vec3, x, y, z)
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dot_impl!(Vec3, x, y, z)
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scalar_ops_impl!(Vec3, x, y, z)
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vec_mul_scalar_impl!(Vec3, f64, Vec3MulRhs, x, y, z)
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vec_mul_scalar_impl!(Vec3, f32, Vec3MulRhs, x, y, z)
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vec_mul_scalar_impl!(Vec3, u64, Vec3MulRhs, x, y, z)
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@ -387,6 +391,7 @@ mul_impl!(Vec4, Vec4MulRhs, x, y, z, w)
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div_impl!(Vec4, Vec4DivRhs, x, y, z, w)
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neg_impl!(Vec4, x, y, z, w)
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dot_impl!(Vec4, x, y, z, w)
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scalar_ops_impl!(Vec4, x, y, z, w)
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vec_mul_scalar_impl!(Vec4, f64, Vec4MulRhs, x, y, z, w)
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vec_mul_scalar_impl!(Vec4, f32, Vec4MulRhs, x, y, z, w)
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vec_mul_scalar_impl!(Vec4, u64, Vec4MulRhs, x, y, z, w)
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@ -496,6 +501,7 @@ mul_impl!(Vec5, Vec5MulRhs, x, y, z, w, a)
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div_impl!(Vec5, Vec5DivRhs, x, y, z, w, a)
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neg_impl!(Vec5, x, y, z, w, a)
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dot_impl!(Vec5, x, y, z, w, a)
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scalar_ops_impl!(Vec5, x, y, z, w, a)
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vec_mul_scalar_impl!(Vec5, f64, Vec5MulRhs, x, y, z, w, a)
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vec_mul_scalar_impl!(Vec5, f32, Vec5MulRhs, x, y, z, w, a)
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vec_mul_scalar_impl!(Vec5, u64, Vec5MulRhs, x, y, z, w, a)
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@ -607,6 +613,7 @@ mul_impl!(Vec6, Vec6MulRhs, x, y, z, w, a, b)
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div_impl!(Vec6, Vec6DivRhs, x, y, z, w, a, b)
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neg_impl!(Vec6, x, y, z, w, a, b)
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dot_impl!(Vec6, x, y, z, w, a, b)
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scalar_ops_impl!(Vec6, x, y, z, w, a, b)
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vec_mul_scalar_impl!(Vec6, f64, Vec6MulRhs, x, y, z, w, a, b)
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vec_mul_scalar_impl!(Vec6, f32, Vec6MulRhs, x, y, z, w, a, b)
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vec_mul_scalar_impl!(Vec6, u64, Vec6MulRhs, x, y, z, w, a, b)
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@ -433,6 +433,38 @@ macro_rules! dot_impl(
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)
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)
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macro_rules! scalar_ops_impl(
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($t: ident, $comp0: ident $(,$compN: ident)*) => (
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impl<N: Mul<N, N>> ScalarMul<N> for $t<N> {
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#[inline]
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fn mul_s(&self, other: &N) -> $t<N> {
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$t::new(self.$comp0 * *other $(, self.$compN * *other)*)
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}
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}
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impl<N: Div<N, N>> ScalarDiv<N> for $t<N> {
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#[inline]
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fn div_s(&self, other: &N) -> $t<N> {
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$t::new(self.$comp0 / *other $(, self.$compN / *other)*)
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}
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}
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impl<N: Add<N, N>> ScalarAdd<N> for $t<N> {
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#[inline]
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fn add_s(&self, other: &N) -> $t<N> {
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$t::new(self.$comp0 + *other $(, self.$compN + *other)*)
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}
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}
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impl<N: Sub<N, N>> ScalarSub<N> for $t<N> {
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#[inline]
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fn sub_s(&self, other: &N) -> $t<N> {
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$t::new(self.$comp0 - *other $(, self.$compN - *other)*)
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}
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}
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)
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)
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macro_rules! vec_mul_scalar_impl(
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($t: ident, $n: ident, $trhs: ident, $comp0: ident $(,$compN: ident)*) => (
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impl $trhs<$n, $t<$n>> for $n {
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@ -321,52 +321,24 @@ pub trait ScalarAdd<N> {
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fn add_s(&self, n: &N) -> Self;
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}
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impl<N, T: Add<N, T>> ScalarAdd<N> for T {
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/// Gets the result of `self + n`.
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fn add_s(&self, n: &N) -> T {
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*self + *n
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}
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}
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/// Trait of objects having a subtraction with a scalar.
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pub trait ScalarSub<N> {
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/// Gets the result of `self - n`.
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fn sub_s(&self, n: &N) -> Self;
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}
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impl<N, T: Sub<N, T>> ScalarSub<N> for T {
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/// Gets the result of `self - n`.
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fn sub_s(&self, n: &N) -> T {
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*self - *n
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}
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}
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/// Trait of objects having a multiplication with a scalar.
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pub trait ScalarMul<N> {
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/// Gets the result of `self * n`.
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fn mul_s(&self, n: &N) -> Self;
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}
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impl<N, T: Mul<N, T>> ScalarMul<N> for T {
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/// Gets the result of `self * n`.
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fn mul_s(&self, n: &N) -> T {
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*self * *n
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}
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}
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/// Trait of objects having a division by a scalar.
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pub trait ScalarDiv<N> {
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/// Gets the result of `self / n`.
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fn div_s(&self, n: &N) -> Self;
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}
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impl<N, T: Div<N, T>> ScalarDiv<N> for T {
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/// Gets the result of `self / n`.
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fn div_s(&self, n: &N) -> T {
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*self / *n
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}
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}
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/// Trait of objects implementing the `y = ax + y` operation.
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pub trait Axpy<N> {
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/// Adds $$a * x$$ to `self`.
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