diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gd_matrix.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/gd_matrix.c b/src/gd_matrix.c index def3f3c..7ee2e6f 100644 --- a/src/gd_matrix.c +++ b/src/gd_matrix.c @@ -84,7 +84,10 @@ BGD_DECLARE(int) gdAffineInvert (double dst[6], const double src[6]) { double r_det = (src[0] * src[3] - src[1] * src[2]); - if (fabs(r_det) <= 0.0) { + if (!isfinite(r_det)) { + return GD_FALSE; + } + if (r_det == 0) { return GD_FALSE; } |