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| author | Sybren A. Stüvel <sybren@stuvel.eu> | 2017-02-28 18:42:25 +0300 |
|---|---|---|
| committer | Sybren A. Stüvel <sybren@stuvel.eu> | 2017-04-06 17:04:31 +0300 |
| commit | 8fe3f475961fe260f832d4869e19e9fed9db4c42 (patch) | |
| tree | 3a0f3378348ceabda9f9bf7c6fc6e943417271c5 | |
| parent | a9504580b35ec305931e5c5cb706c5f929f132fd (diff) | |
Alembic: more lenient check on absence of sheer & homogeneous scaling
Checking precise values of floats is not a good idea.
| -rw-r--r-- | source/blender/alembic/intern/abc_util.cc | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/source/blender/alembic/intern/abc_util.cc b/source/blender/alembic/intern/abc_util.cc index 194f4c276d1..2274a50ad7d 100644 --- a/source/blender/alembic/intern/abc_util.cc +++ b/source/blender/alembic/intern/abc_util.cc @@ -178,10 +178,10 @@ void copy_m44_axis_swap(float dst_mat[4][4], float src_mat[4][4], AbcAxisSwapMod unit_m4(dst_scale_mat); /* We assume there is no sheer component and no homogeneous scaling component. */ - BLI_assert(src_mat[0][3] == 0.0); - BLI_assert(src_mat[1][3] == 0.0); - BLI_assert(src_mat[2][3] == 0.0); - BLI_assert(src_mat[3][3] == 1.0); + BLI_assert(fabs(src_mat[0][3]) < 2 * FLT_EPSILON); + BLI_assert(fabs(src_mat[1][3]) < 2 * FLT_EPSILON); + BLI_assert(fabs(src_mat[2][3]) < 2 * FLT_EPSILON); + BLI_assert(fabs(src_mat[3][3] - 1.0f) < 2 * FLT_EPSILON); /* Extract translation, rotation, and scale form matrix. */ mat4_to_loc_rot_size(src_trans, src_rot, src_scale, src_mat); |