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Alembic: more lenient check on absence of sheer & homogeneous scaling

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Checking precise values of floats is not a good idea.
This commit is contained in:
Sybren A. Stüvel
2017-02-28 16:42:25 +01:00
parent a9504580b3
commit 8fe3f47596
1 changed files with 4 additions and 4 deletions
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8
source/blender/alembic/intern/abc_util.cc
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@@ -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);