diff options
| -rw-r--r-- | OpenAL32/Include/alu.h | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/OpenAL32/Include/alu.h b/OpenAL32/Include/alu.h index 289614de..0540c699 100644 --- a/OpenAL32/Include/alu.h +++ b/OpenAL32/Include/alu.h @@ -281,15 +281,13 @@ static __inline ALfloat aluDotproduct(const ALfloat *inVector1, const ALfloat *i static __inline void aluNormalize(ALfloat *inVector) { - ALfloat length, inverse_length; - - length = aluSqrt(aluDotproduct(inVector, inVector)); - if(length > 0.0f) + ALfloat lengthsqr = aluDotproduct(inVector, inVector); + if(lengthsqr > 0.0f) { - inverse_length = 1.0f/length; - inVector[0] *= inverse_length; - inVector[1] *= inverse_length; - inVector[2] *= inverse_length; + ALfloat inv_length = 1.0f/aluSqrt(lengthsqr); + inVector[0] *= inv_length; + inVector[1] *= inv_length; + inVector[2] *= inv_length; } } |