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| author | Tofu Linden <tofu.linden@lindenlab.com> | 2010-04-15 20:15:40 +0100 |
|---|---|---|
| committer | Tofu Linden <tofu.linden@lindenlab.com> | 2010-04-15 20:15:40 +0100 |
| commit | 5dda65c0303d0e3c38e4ab57c26759937af0eeb2 (patch) | |
| tree | 5178c7804e34de151529a67f844b3f21e0f0d2e7 /indra/llmath | |
| parent | 59446d550522660c47065622812308da190d6a89 (diff) | |
EXT-4388 Crash in octree line segment intersection code (getMask)
Add yet more paranoia-and-return-or-assert, this time for +-INF in input vector.
To be reviewed by Bao.
(transplanted from 2012f21d23c66179345fb26148cfbe19835b325e)
Diffstat (limited to 'indra/llmath')
| -rw-r--r-- | indra/llmath/v2math.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/indra/llmath/v2math.h b/indra/llmath/v2math.h index 9fef8851cc..65f3714313 100644 --- a/indra/llmath/v2math.h +++ b/indra/llmath/v2math.h @@ -70,6 +70,8 @@ class LLVector2 void setVec(const LLVector2 &vec); // deprecated void setVec(const F32 *vec); // deprecated + inline bool isFinite() const; // checks to see if all values of LLVector2 are finite + F32 length() const; // Returns magnitude of LLVector2 F32 lengthSquared() const; // Returns magnitude squared of LLVector2 F32 normalize(); // Normalizes and returns the magnitude of LLVector2 @@ -215,6 +217,7 @@ inline void LLVector2::setVec(const F32 *vec) mV[VY] = vec[VY]; } + // LLVector2 Magnitude and Normalization Functions inline F32 LLVector2::length(void) const @@ -247,6 +250,12 @@ inline F32 LLVector2::normalize(void) return (mag); } +// checker +inline bool LLVector2::isFinite() const +{ + return (llfinite(mV[VX]) && llfinite(mV[VY])); +} + // deprecated inline F32 LLVector2::magVec(void) const { |