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Fix multiple borrow errors

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This commit is contained in:
Brendan Zabarauskas 2013-05-24 07:55:23 +10:00
parent f800a0ae04
commit 86241f69cb
2 changed files with 87 additions and 31 deletions
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106
src/mat.rs
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@ -451,7 +451,9 @@ impl<T:Copy + Float + NumAssign> BaseMat<T, Vec2<T>> for Mat2<T> {
#[inline(always)] #[inline(always)]
fn swap_cols(&mut self, a: uint, b: uint) { fn swap_cols(&mut self, a: uint, b: uint) {
util::swap(self.col_mut(a), self.col_mut(b)); let tmp = self[a];
*self.col_mut(a) = self[b];
*self.col_mut(b) = tmp;
} }
#[inline(always)] #[inline(always)]
@ -503,8 +505,14 @@ impl<T:Copy + Float + NumAssign> BaseMat<T, Vec2<T>> for Mat2<T> {
#[inline(always)] #[inline(always)]
fn transpose_self(&mut self) { fn transpose_self(&mut self) {
util::swap(self.x.index_mut(1), self.y.index_mut(0)); let tmp01 = self[0][1];
util::swap(self.y.index_mut(0), self.x.index_mut(1)); let tmp10 = self[1][0];
*self.col_mut(0).index_mut(1) = self[1][0];
*self.col_mut(1).index_mut(0) = self[0][1];
*self.col_mut(1).index_mut(0) = tmp01;
*self.col_mut(0).index_mut(1) = tmp10;
} }
#[inline(always)] #[inline(always)]
@ -851,7 +859,9 @@ impl<T:Copy + Float + NumAssign> BaseMat<T, Vec3<T>> for Mat3<T> {
#[inline(always)] #[inline(always)]
fn swap_cols(&mut self, a: uint, b: uint) { fn swap_cols(&mut self, a: uint, b: uint) {
util::swap(self.col_mut(a), self.col_mut(b)); let tmp = self[a];
*self.col_mut(a) = self[b];
*self.col_mut(b) = tmp;
} }
#[inline(always)] #[inline(always)]
@ -907,14 +917,26 @@ impl<T:Copy + Float + NumAssign> BaseMat<T, Vec3<T>> for Mat3<T> {
#[inline(always)] #[inline(always)]
fn transpose_self(&mut self) { fn transpose_self(&mut self) {
util::swap(self.col_mut(0).index_mut(1), self.col_mut(1).index_mut(0)); let tmp01 = self[0][1];
util::swap(self.col_mut(0).index_mut(2), self.col_mut(2).index_mut(0)); let tmp02 = self[0][2];
let tmp10 = self[1][0];
let tmp12 = self[1][2];
let tmp20 = self[2][0];
let tmp21 = self[2][1];
util::swap(self.col_mut(1).index_mut(0), self.col_mut(0).index_mut(1)); *self.col_mut(0).index_mut(1) = self[1][0];
util::swap(self.col_mut(1).index_mut(2), self.col_mut(2).index_mut(1)); *self.col_mut(0).index_mut(2) = self[2][0];
*self.col_mut(1).index_mut(0) = self[0][1];
*self.col_mut(1).index_mut(2) = self[2][1];
*self.col_mut(2).index_mut(0) = self[0][2];
*self.col_mut(2).index_mut(1) = self[1][2];
util::swap(self.col_mut(2).index_mut(0), self.col_mut(0).index_mut(2)); *self.col_mut(1).index_mut(0) = tmp01;
util::swap(self.col_mut(2).index_mut(1), self.col_mut(1).index_mut(2)); *self.col_mut(2).index_mut(0) = tmp02;
*self.col_mut(0).index_mut(1) = tmp10;
*self.col_mut(2).index_mut(1) = tmp12;
*self.col_mut(0).index_mut(2) = tmp20;
*self.col_mut(1).index_mut(2) = tmp21;
} }
#[inline(always)] #[inline(always)]
@ -1435,15 +1457,18 @@ impl<T:Copy + Float + NumAssign> BaseMat<T, Vec4<T>> for Mat4<T> {
I.swap_cols(i1, j); I.swap_cols(i1, j);
// Scale col j to have a unit diagonal // Scale col j to have a unit diagonal
I.col_mut(j).div_self_t(A[j][j]); let ajj = A[j][j];
A.col_mut(j).div_self_t(A[j][j]); I.col_mut(j).div_self_t(ajj);
A.col_mut(j).div_self_t(ajj);
// Eliminate off-diagonal elems in col j of A, // Eliminate off-diagonal elems in col j of A,
// doing identical ops to I // doing identical ops to I
for uint::range(0, 4) |i| { for uint::range(0, 4) |i| {
if i != j { if i != j {
I.col_mut(i).sub_self_v(&I[j].mul_t(A[i][j])); let ij_mul_aij = I[j].mul_t(A[i][j]);
A.col_mut(i).sub_self_v(&A[j].mul_t(A[i][j])); let aj_mul_aij = A[j].mul_t(A[i][j]);
I.col_mut(i).sub_self_v(&ij_mul_aij);
A.col_mut(i).sub_self_v(&aj_mul_aij);
} }
} }
} }
@ -1471,7 +1496,9 @@ impl<T:Copy + Float + NumAssign> BaseMat<T, Vec4<T>> for Mat4<T> {
#[inline(always)] #[inline(always)]
fn swap_cols(&mut self, a: uint, b: uint) { fn swap_cols(&mut self, a: uint, b: uint) {
util::swap(self.col_mut(a), self.col_mut(b)); let tmp = self[a];
*self.col_mut(a) = self[b];
*self.col_mut(b) = tmp;
} }
#[inline(always)] #[inline(always)]
@ -1531,21 +1558,44 @@ impl<T:Copy + Float + NumAssign> BaseMat<T, Vec4<T>> for Mat4<T> {
#[inline(always)] #[inline(always)]
fn transpose_self(&mut self) { fn transpose_self(&mut self) {
util::swap(self.col_mut(0).index_mut(1), self.col_mut(1).index_mut(0)); let tmp01 = self[0][1];
util::swap(self.col_mut(0).index_mut(2), self.col_mut(2).index_mut(0)); let tmp02 = self[0][2];
util::swap(self.col_mut(0).index_mut(3), self.col_mut(3).index_mut(0)); let tmp03 = self[0][3];
let tmp10 = self[1][0];
let tmp12 = self[1][2];
let tmp13 = self[1][3];
let tmp20 = self[2][0];
let tmp21 = self[2][1];
let tmp23 = self[2][3];
let tmp30 = self[3][0];
let tmp31 = self[3][1];
let tmp32 = self[3][2];
util::swap(self.col_mut(1).index_mut(0), self.col_mut(0).index_mut(1)); *self.col_mut(0).index_mut(1) = self[1][0];
util::swap(self.col_mut(1).index_mut(2), self.col_mut(2).index_mut(1)); *self.col_mut(0).index_mut(2) = self[2][0];
util::swap(self.col_mut(1).index_mut(3), self.col_mut(3).index_mut(1)); *self.col_mut(0).index_mut(3) = self[3][0];
*self.col_mut(1).index_mut(0) = self[0][1];
*self.col_mut(1).index_mut(2) = self[2][1];
*self.col_mut(1).index_mut(3) = self[3][1];
*self.col_mut(2).index_mut(0) = self[0][2];
*self.col_mut(2).index_mut(1) = self[1][2];
*self.col_mut(2).index_mut(3) = self[3][2];
*self.col_mut(3).index_mut(0) = self[0][3];
*self.col_mut(3).index_mut(1) = self[1][3];
*self.col_mut(3).index_mut(2) = self[2][3];
util::swap(self.col_mut(2).index_mut(0), self.col_mut(0).index_mut(2)); *self.col_mut(1).index_mut(0) = tmp01;
util::swap(self.col_mut(2).index_mut(1), self.col_mut(1).index_mut(2)); *self.col_mut(2).index_mut(0) = tmp02;
util::swap(self.col_mut(2).index_mut(3), self.col_mut(3).index_mut(2)); *self.col_mut(3).index_mut(0) = tmp03;
*self.col_mut(0).index_mut(1) = tmp10;
util::swap(self.col_mut(3).index_mut(0), self.col_mut(0).index_mut(3)); *self.col_mut(2).index_mut(1) = tmp12;
util::swap(self.col_mut(3).index_mut(1), self.col_mut(1).index_mut(3)); *self.col_mut(3).index_mut(1) = tmp13;
util::swap(self.col_mut(3).index_mut(2), self.col_mut(2).index_mut(3)); *self.col_mut(0).index_mut(2) = tmp20;
*self.col_mut(1).index_mut(2) = tmp21;
*self.col_mut(3).index_mut(2) = tmp23;
*self.col_mut(0).index_mut(3) = tmp30;
*self.col_mut(1).index_mut(3) = tmp31;
*self.col_mut(2).index_mut(3) = tmp32;
} }
#[inline(always)] #[inline(always)]

12
src/vec.rs
View file

@ -546,7 +546,9 @@ impl<T:Copy + Eq> BaseVec<T> for Vec2<T> {
#[inline(always)] #[inline(always)]
fn swap(&mut self, a: uint, b: uint) { fn swap(&mut self, a: uint, b: uint) {
util::swap(self.index_mut(a), self.index_mut(b)); let tmp = self[a];
*self.index_mut(a) = self[b];
*self.index_mut(b) = tmp;
} }
} }
@ -857,7 +859,9 @@ impl<T:Copy + Eq> BaseVec<T> for Vec3<T> {
#[inline(always)] #[inline(always)]
fn swap(&mut self, a: uint, b: uint) { fn swap(&mut self, a: uint, b: uint) {
util::swap(self.index_mut(a), self.index_mut(b)); let tmp = self[a];
*self.index_mut(a) = self[b];
*self.index_mut(b) = tmp;
} }
} }
@ -1191,7 +1195,9 @@ impl<T:Copy + Eq> BaseVec<T> for Vec4<T> {
#[inline(always)] #[inline(always)]
fn swap(&mut self, a: uint, b: uint) { fn swap(&mut self, a: uint, b: uint) {
util::swap(self.index_mut(a), self.index_mut(b)); let tmp = self[a];
*self.index_mut(a) = self[b];
*self.index_mut(b) = tmp;
} }
} }