diff options
Diffstat (limited to 'indra/llmath/llquaternion.h')
| -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) { |