diff options
Diffstat (limited to 'indra/llmath/llvector4a.inl')
| -rwxr-xr-x | indra/llmath/llvector4a.inl | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/indra/llmath/llvector4a.inl b/indra/llmath/llvector4a.inl index 6860252a75..7c52ffef21 100755 --- a/indra/llmath/llvector4a.inl +++ b/indra/llmath/llvector4a.inl @@ -331,9 +331,6 @@ inline LLSimdScalar LLVector4a::dot4(const LLVector4a& b) const // Note that this does not consider zero length vectors! inline void LLVector4a::normalize3() { - // find out about bad math before it takes two man-days to track down - llassert(isFinite3() && !equals3(getZero())); - // lenSqrd = a dot a LLVector4a lenSqrd; lenSqrd.setAllDot3( *this, *this ); // rsqrt = approximate reciprocal square (i.e., { ~1/len(a)^2, ~1/len(a)^2, ~1/len(a)^2, ~1/len(a)^2 } @@ -382,9 +379,6 @@ inline void LLVector4a::normalize4() // Note that this does not consider zero length vectors! inline LLSimdScalar LLVector4a::normalize3withLength() { - // find out about bad math before it takes two man-days to track down - llassert(isFinite3() && !equals3(getZero())); - // lenSqrd = a dot a LLVector4a lenSqrd; lenSqrd.setAllDot3( *this, *this ); // rsqrt = approximate reciprocal square (i.e., { ~1/len(a)^2, ~1/len(a)^2, ~1/len(a)^2, ~1/len(a)^2 } @@ -415,27 +409,6 @@ inline void LLVector4a::normalize3fast() mQ = _mm_mul_ps( mQ, approxRsqrt ); } -// Normalize this vector with respect to the x, y, and z components only. Accurate only to 10-12 bits of precision. W component is destroyed -// Note that this does not consider zero length vectors! -inline void LLVector4a::normalize3fast_checked(LLVector4a* default) -{ - // handle bogus inputs before NaNs are generated below - // - if (!isFinite3() || (dot3(*this).getF32() < F_APPROXIMATELY_ZERO)) - { - if (default) - *this = *default; - else - set(0,1,0,1); - - return; - } - - LLVector4a lenSqrd; lenSqrd.setAllDot3( *this, *this ); - const LLQuad approxRsqrt = _mm_rsqrt_ps(lenSqrd.mQ); - mQ = _mm_mul_ps( mQ, approxRsqrt ); -} - // Return true if this vector is normalized with respect to x,y,z up to tolerance inline LLBool32 LLVector4a::isNormalized3( F32 tolerance ) const { |