diff options
Diffstat (limited to 'source/blender/blenlib/intern/math_rotation.c')
| -rw-r--r-- | source/blender/blenlib/intern/math_rotation.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/source/blender/blenlib/intern/math_rotation.c b/source/blender/blenlib/intern/math_rotation.c index 6bac102e1b1..2eebe10dd58 100644 --- a/source/blender/blenlib/intern/math_rotation.c +++ b/source/blender/blenlib/intern/math_rotation.c @@ -286,7 +286,7 @@ void mat3_to_quat(float q[4], float wmat[3][3]) tr = 0.25 * (double)(1.0f + mat[0][0] + mat[1][1] + mat[2][2]); - if (tr > (double)FLT_EPSILON) { + if (tr > (double)1e-4f) { s = sqrt(tr); q[0] = (float)s; s = 1.0 / (4.0 * s); @@ -300,7 +300,7 @@ void mat3_to_quat(float q[4], float wmat[3][3]) q[1] = (float)(0.25 * s); s = 1.0 / s; - q[0] = (float)((double)(mat[2][1] - mat[1][2]) * s); + q[0] = (float)((double)(mat[1][2] - mat[2][1]) * s); q[2] = (float)((double)(mat[1][0] + mat[0][1]) * s); q[3] = (float)((double)(mat[2][0] + mat[0][2]) * s); } @@ -318,7 +318,7 @@ void mat3_to_quat(float q[4], float wmat[3][3]) q[3] = (float)(0.25 * s); s = 1.0 / s; - q[0] = (float)((double)(mat[1][0] - mat[0][1]) * s); + q[0] = (float)((double)(mat[0][1] - mat[1][0]) * s); q[1] = (float)((double)(mat[2][0] + mat[0][2]) * s); q[2] = (float)((double)(mat[2][1] + mat[1][2]) * s); } |