normalize.c
793 Bytes
/**************************************************************************
* *
* Copyright (C) 1994, Silicon Graphics, Inc. *
* *
* These coded instructions, statements, and computer programs contain *
* unpublished proprietary information of Silicon Graphics, Inc., and *
* are protected by Federal copyright law. They may not be disclosed *
* to third parties or copied or duplicated in any form, in whole or *
* in part, without the prior written consent of Silicon Graphics, Inc. *
* *
**************************************************************************/
#include "guint.h"
void guNormalize(float *x, float *y, float *z)
{
float m;
m = 1/sqrtf((*x)*(*x) + (*y)*(*y) + (*z)*(*z));
*x *= m;
*y *= m;
*z *= m;
}