diff options
Diffstat (limited to 'Build/source/libs/gd/libgd-src/src/gd_matrix.c')
| -rw-r--r-- | Build/source/libs/gd/libgd-src/src/gd_matrix.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/Build/source/libs/gd/libgd-src/src/gd_matrix.c b/Build/source/libs/gd/libgd-src/src/gd_matrix.c index b7827a07034..ada63e694ca 100644 --- a/Build/source/libs/gd/libgd-src/src/gd_matrix.c +++ b/Build/source/libs/gd/libgd-src/src/gd_matrix.c @@ -57,13 +57,13 @@ BGD_DECLARE(int) gdAffineApplyToPointF (gdPointFPtr dst, const gdPointFPtr src, * <gdAffineIdentity> * * Returns: - * GD_TRUE if the affine is rectilinear or GD_FALSE + * GD_TRUE on success or GD_FALSE on failure */ BGD_DECLARE(int) gdAffineInvert (double dst[6], const double src[6]) { double r_det = (src[0] * src[3] - src[1] * src[2]); - if (r_det <= 0.0) { + if (fabs(r_det) <= 0.0) { return GD_FALSE; } @@ -333,4 +333,3 @@ BGD_DECLARE(int) gdAffineEqual (const double m1[6], const double m2[6]) fabs (m1[4] - m2[4]) < GD_EPSILON && fabs (m1[5] - m2[5]) < GD_EPSILON); } - |