NS/releases/3.01/source/common/vector_util.h

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#ifndef VECTOR_UTIL_H
#define VECTOR_UTIL_H
#include "common/vec_op.h"
float Length(const float *v);
void VectorMA (const float *veca, float scale, const float *vecb, float *vecc);
void VectorScale (const float *in, float scale, float *out);
float VectorNormalize (float *v);
void VectorInverse ( float *v );
extern vec3_t vec3_origin;
#endif