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The source release of the qutils.

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This commit is contained in:
Travis Bradshaw
2012-01-31 15:48:05 -06:00
commit 6df9737f9c
111 changed files with 23929 additions and 0 deletions
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48
qutils/COMMON/MATHLIB.H Normal file
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#ifndef __MATHLIB__
#define __MATHLIB__
// mathlib.h
#include <math.h>
#ifdef DOUBLEVEC_T
typedef double vec_t;
#else
typedef float vec_t;
#endif
typedef vec_t vec3_t[3];
#define SIDE_FRONT 0
#define SIDE_ON 2
#define SIDE_BACK 1
#define SIDE_CROSS -2
#define Q_PI 3.14159265358979323846
extern vec3_t vec3_origin;
#define EQUAL_EPSILON 0.001
qboolean VectorCompare (vec3_t v1, vec3_t v2);
#define DotProduct(x,y) (x[0]*y[0]+x[1]*y[1]+x[2]*y[2])
#define VectorSubtract(a,b,c) {c[0]=a[0]-b[0];c[1]=a[1]-b[1];c[2]=a[2]-b[2];}
#define VectorAdd(a,b,c) {c[0]=a[0]+b[0];c[1]=a[1]+b[1];c[2]=a[2]+b[2];}
#define VectorCopy(a,b) {b[0]=a[0];b[1]=a[1];b[2]=a[2];}
vec_t Q_rint (vec_t in);
vec_t _DotProduct (vec3_t v1, vec3_t v2);
void _VectorSubtract (vec3_t va, vec3_t vb, vec3_t out);
void _VectorAdd (vec3_t va, vec3_t vb, vec3_t out);
void _VectorCopy (vec3_t in, vec3_t out);
double VectorLength(vec3_t v);
void VectorMA (vec3_t va, double scale, vec3_t vb, vec3_t vc);
void CrossProduct (vec3_t v1, vec3_t v2, vec3_t cross);
vec_t VectorNormalize (vec3_t v);
void VectorInverse (vec3_t v);
void VectorScale (vec3_t v, vec_t scale, vec3_t out);
#endif