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author | Oz Linden <oz@lindenlab.com> | 2015-09-29 15:24:03 -0400 |
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committer | Oz Linden <oz@lindenlab.com> | 2015-09-29 15:24:03 -0400 |
commit | 9757c3a7fa1c67ecbf62df4493dc68040ba0e264 (patch) | |
tree | 1d3ec613c44b1c91b2ee91546be7be0de9c72f6e /indra/llmath/m4math.cpp | |
parent | 453dee2d21477ad534fa9982b844c40adde9b93e (diff) | |
parent | 2d52b62e67cf46222396c724d00d2de874819197 (diff) |
merge changes for 3.8.4-release
Diffstat (limited to 'indra/llmath/m4math.cpp')
-rwxr-xr-x | indra/llmath/m4math.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/indra/llmath/m4math.cpp b/indra/llmath/m4math.cpp index 6a1b4143cf..d89c482804 100755 --- a/indra/llmath/m4math.cpp +++ b/indra/llmath/m4math.cpp @@ -274,6 +274,19 @@ const LLMatrix4& LLMatrix4::invert(void) return *this; } +// Convenience func for simplifying comparison-heavy code by +// intentionally stomping values in [-FLT_EPS,FLT_EPS] to 0.0f +// +void LLMatrix4::condition(void) +{ + U32 i; + U32 j; + for (i = 0; i < 3;i++) + for (j = 0; j < 3;j++) + mMatrix[i][j] = ((mMatrix[i][j] > -FLT_EPSILON) + && (mMatrix[i][j] < FLT_EPSILON)) ? 0.0f : mMatrix[i][j]; +} + LLVector4 LLMatrix4::getFwdRow4() const { return LLVector4(mMatrix[VX][VX], mMatrix[VX][VY], mMatrix[VX][VZ], mMatrix[VX][VW]); |