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| author | Aura Linden <aura@lindenlab.com> | 2014-09-18 17:00:23 -0700 |
|---|---|---|
| committer | Aura Linden <aura@lindenlab.com> | 2014-09-18 17:00:23 -0700 |
| commit | 951c83724d7e364ac52cbee2d657711fda7d2c26 (patch) | |
| tree | 20b95debd0a3bb52f32df0db52d6dc91caf5793f /indra/llmath | |
| parent | 78304e398fa7d4604eac98247173b33d712ec135 (diff) | |
| parent | 61fb8c3fe31c73ce9121daac545aa7c8fc79ec8c (diff) | |
Merged in viewer-tiger
Diffstat (limited to 'indra/llmath')
| -rwxr-xr-x | indra/llmath/llquaternion.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/indra/llmath/llquaternion.h b/indra/llmath/llquaternion.h index e56929ed0f..aa0b1752f4 100755 --- a/indra/llmath/llquaternion.h +++ b/indra/llmath/llquaternion.h @@ -71,6 +71,9 @@ public: void quantize8(F32 lower, F32 upper); // changes the vector to reflect quatization void loadIdentity(); // Loads the quaternion that represents the identity rotation + bool isEqualEps(const LLQuaternion &quat, F32 epsilon) const; + bool isNotEqualEps(const LLQuaternion &quat, F32 epsilon) const; + const LLQuaternion& set(F32 x, F32 y, F32 z, F32 w); // Sets Quaternion to normalize(x, y, z, w) const LLQuaternion& set(const LLQuaternion &quat); // Copies Quaternion const LLQuaternion& set(const F32 *q); // Sets Quaternion to normalize(quat[VX], quat[VY], quat[VZ], quat[VW]) @@ -239,6 +242,21 @@ inline void LLQuaternion::loadIdentity() mQ[VW] = 1.0f; } +inline bool LLQuaternion::isEqualEps(const LLQuaternion &quat, F32 epsilon) const +{ + return ( fabs(mQ[VX] - quat.mQ[VX]) < epsilon + && fabs(mQ[VY] - quat.mQ[VY]) < epsilon + && fabs(mQ[VZ] - quat.mQ[VZ]) < epsilon + && fabs(mQ[VS] - quat.mQ[VS]) < epsilon ); +} + +inline bool LLQuaternion::isNotEqualEps(const LLQuaternion &quat, F32 epsilon) const +{ + return ( fabs(mQ[VX] - quat.mQ[VX]) > epsilon + || fabs(mQ[VY] - quat.mQ[VY]) > epsilon + || fabs(mQ[VZ] - quat.mQ[VZ]) > epsilon + || fabs(mQ[VS] - quat.mQ[VS]) > epsilon ); +} inline const LLQuaternion& LLQuaternion::set(F32 x, F32 y, F32 z, F32 w) { |