Commit 45fa18c3 authored by Will Schroeder's avatar Will Schroeder
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*** empty log message ***

parent bbadfae8
......@@ -38,7 +38,7 @@ public:
float Dot(float x[3], float y[3]);
void Cross(float x[3], float y[3], float z[3]);
float Norm(float x[3]);
void Normalize(float x[3]);
float Normalize(float x[3]);
float Determinant2x2(float c1[2], float c2[2]);
double Determinant2x2(double a, double b, double c, double d);
......@@ -71,11 +71,12 @@ inline float vlMath::Norm(float x[3])
}
// Description:
// Normalize (in place) a 3-vector.
inline void vlMath::Normalize(float x[3])
// Normalize (in place) a 3-vector. Returns norm of vector.
inline float vlMath::Normalize(float x[3])
{
float den;
if ( (den = this->Norm(x)) != 0.0 ) for (int i=0; i < 3; i++) x[i] /= den;
return den;
}
// Description:
......
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