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authorTofu Linden <tofu.linden@lindenlab.com>2010-04-15 20:15:40 +0100
committerTofu Linden <tofu.linden@lindenlab.com>2010-04-15 20:15:40 +0100
commit5dda65c0303d0e3c38e4ab57c26759937af0eeb2 (patch)
tree5178c7804e34de151529a67f844b3f21e0f0d2e7 /indra/llmath/v2math.h
parent59446d550522660c47065622812308da190d6a89 (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/v2math.h')
-rw-r--r--indra/llmath/v2math.h9
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
{