249 void mat33DecomposeLup(struct Mat33 *LU, struct Size3 *pivot)  in mat33DecomposeLup()  argument
256         pivot->elem[k] = k;  in mat33DecomposeLup()
261                 pivot->elem[k] = j;  in mat33DecomposeLup()
265         if (pivot->elem[k] != k) {  in mat33DecomposeLup()
266             mat33SwapRows(LU, k, pivot->elem[k]);  in mat33DecomposeLup()
304 … mat33Solve(const struct Mat33 *A, struct Vec3 *x, const struct Vec3 *b, const struct Size3 *pivot)  in mat33Solve()  argument
317         if (pivot->elem[k] != k) {  in mat33Solve()
319             bCopy[k] = bCopy[pivot->elem[k]];  in mat33Solve()
320             bCopy[pivot->elem[k]] = tmp;  in mat33Solve()
503 void mat44DecomposeLup(struct Mat44 *LU, struct Size4 *pivot)  in mat44DecomposeLup()  argument
509         pivot->elem[k] = k;  in mat44DecomposeLup()
514                 pivot->elem[k] = j;  in mat44DecomposeLup()
518         if (pivot->elem[k] != k) {  in mat44DecomposeLup()
519             mat44SwapRows(LU, k, pivot->elem[k]);  in mat44DecomposeLup()
557 … mat44Solve(const struct Mat44 *A, struct Vec4 *x, const struct Vec4 *b, const struct Size4 *pivot)  in mat44Solve()  argument
571         if (pivot->elem[k] != k) {  in mat44Solve()
573             bCopy[k] = bCopy[pivot->elem[k]];  in mat44Solve()
574             bCopy[pivot->elem[k]] = tmp;  in mat44Solve()