diff options
Diffstat (limited to 'source/blender/blenlib/intern/math_matrix.c')
| -rw-r--r-- | source/blender/blenlib/intern/math_matrix.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/source/blender/blenlib/intern/math_matrix.c b/source/blender/blenlib/intern/math_matrix.c index 311d963f64d..f117c815ee9 100644 --- a/source/blender/blenlib/intern/math_matrix.c +++ b/source/blender/blenlib/intern/math_matrix.c @@ -822,12 +822,11 @@ bool invert_m4(float m[4][4]) } /* - * invertmat - - * computes the inverse of mat and puts it in inverse. Returns - * true on success (i.e. can always find a pivot) and false on failure. - * Uses Gaussian Elimination with partial (maximal column) pivoting. + * Computes the inverse of mat and puts it in inverse. + * Returns true on success (i.e. can always find a pivot) and false on failure. + * Uses Gaussian Elimination with partial (maximal column) pivoting. * - * Mark Segal - 1992 + * Mark Segal - 1992 */ bool invert_m4_m4(float inverse[4][4], float mat[4][4]) @@ -2188,11 +2187,11 @@ void svd_m4(float U[4][4], float s[4], float V[4][4], float A_[4][4]) * negligible elements in the s and e arrays. On * completion the variables kase and k are set as follows. * - * kase = 1 if s(p) and e[k - 1] are negligible and k<p - * kase = 2 if s(k) is negligible and k<p - * kase = 3 if e[k - 1] is negligible, k<p, and - * s(k), ..., s(p) are not negligible (qr step). - * kase = 4 if e(p - 1) is negligible (convergence). */ + * kase = 1: if s(p) and e[k - 1] are negligible and k<p + * kase = 2: if s(k) is negligible and k<p + * kase = 3: if e[k - 1] is negligible, k<p, and + * s(k), ..., s(p) are not negligible (qr step). + * kase = 4: if e(p - 1) is negligible (convergence). */ for (k = p - 2; k >= -1; k--) { if (k == -1) { |