99 lines
3.3 KiB
Rust
99 lines
3.3 KiB
Rust
// Copyright 2013 The Lmath Developers. For a full listing of the authors,
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// refer to the AUTHORS file at the top-level directory of this distribution.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#[macro_escape];
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macro_rules! impl_dimensioned(
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($Self:ident, $T:ty, $n:expr) => (
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impl<T> Dimensioned<$T,[$T,..$n]> for $Self<T> {
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#[inline]
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pub fn index<'a>(&'a self, i: uint) -> &'a $T {
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&'a self.as_slice()[i]
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}
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#[inline]
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pub fn index_mut<'a>(&'a mut self, i: uint) -> &'a mut $T {
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&'a mut self.as_mut_slice()[i]
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}
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#[inline]
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pub fn as_slice<'a>(&'a self) -> &'a [$T,..$n] {
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use std::cast::transmute;
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unsafe { transmute(self) }
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}
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#[inline]
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pub fn as_mut_slice<'a>(&'a mut self) -> &'a mut [$T,..$n] {
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use std::cast::transmute;
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unsafe { transmute(self) }
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}
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}
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)
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)
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macro_rules! impl_to_vec(
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($Self:ident, 2) => (impl_to_vec_helper!(ToVec2, $Self, Vec2, to_vec2, as_vec2));
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($Self:ident, 3) => (impl_to_vec_helper!(ToVec3, $Self, Vec3, to_vec3, as_vec3));
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($Self:ident, 4) => (impl_to_vec_helper!(ToVec4, $Self, Vec4, to_vec4, as_vec4));
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)
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macro_rules! impl_to_vec_helper(
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($ToVec:ident, $Self:ident, $Vec:ident, $to_vec:ident, $as_vec:ident) => (
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impl<T:Clone> $ToVec<T> for $Self<T> {
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#[inline]
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pub fn $to_vec(&self) -> $Vec<T> {
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self.$as_vec().clone()
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}
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}
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)
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)
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macro_rules! impl_as_vec(
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($Self:ident, 2) => (impl_as_vec_helper!(AsVec2, $Self, Vec2, as_vec2, as_mut_vec2));
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($Self:ident, 3) => (impl_as_vec_helper!(AsVec3, $Self, Vec3, as_vec3, as_mut_vec3));
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($Self:ident, 4) => (impl_as_vec_helper!(AsVec4, $Self, Vec4, as_vec4, as_mut_vec4));
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)
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macro_rules! impl_as_vec_helper(
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($AsVec:ident, $Self:ident, $Vec:ident, $as_vec:ident, $as_mut_vec:ident) => (
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impl<T> $AsVec<T> for $Self<T> {
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#[inline]
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pub fn $as_vec<'a>(&'a self) -> &'a $Vec<T> {
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use std::cast::transmute;
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unsafe { transmute(self) }
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}
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#[inline]
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pub fn $as_mut_vec<'a>(&'a mut self) -> &'a mut $Vec<T> {
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use std::cast::transmute;
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unsafe { transmute(self) }
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}
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}
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)
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)
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macro_rules! impl_swap_components(
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($Self:ident) => (
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impl<T:Clone> SwapComponents for $Self<T> {
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#[inline]
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pub fn swap(&mut self, a: uint, b: uint) {
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let tmp = self.index(a).clone();
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*self.index_mut(a) = self.index(b).clone();
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*self.index_mut(b) = tmp;
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}
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}
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)
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)
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