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The GtkRadiant sources as originally released under the GPL license.

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This commit is contained in:
Travis Bradshaw
2012-01-31 15:20:35 -06:00
commit 0991a5ce8b
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tools/quake2/qdata_heretic2/common/mathlib.h Normal file
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/*
Copyright (C) 1999-2006 Id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#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];}
#define VectorScale(a,b,c) {c[0]=b*a[0];c[1]=b*a[1];c[2]=b*a[2];}
#define VectorClear(x) {x[0] = x[1] = x[2] = 0;}
#define VectorNegate(x) {x[0]=-x[0];x[1]=-x[1];x[2]=-x[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);
void _VectorScale (vec3_t v, vec_t scale, 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 in, vec3_t out);
vec_t ColorNormalize (vec3_t in, vec3_t out);
void VectorInverse (vec3_t v);
void ClearBounds (vec3_t mins, vec3_t maxs);
void AddPointToBounds (vec3_t v, vec3_t mins, vec3_t maxs);
#endif