+++ /dev/null
-/*
-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>
-#include <float.h>
-
-#ifdef __cplusplus
-
-// start declarations of functions defined in C library.
-extern "C"
-{
-
-#endif
-
-#include "bytebool.h"
-
-typedef float vec_t;
-typedef vec_t vec3_t[3];
-typedef vec_t vec5_t[5];
-typedef vec_t vec4_t[4];
-
-// Smallest positive value for vec_t such that 1.0 + VEC_SMALLEST_EPSILON_AROUND_ONE != 1.0.
-// In the case of 32 bit floats (which is almost certainly the case), it's 0.00000011921.
-// Don't forget that your epsilons should depend on the possible range of values,
-// because for example adding VEC_SMALLEST_EPSILON_AROUND_ONE to 1024.0 will have no effect.
-#define VEC_SMALLEST_EPSILON_AROUND_ONE FLT_EPSILON
-
-#define SIDE_FRONT 0
-#define SIDE_ON 2
-#define SIDE_BACK 1
-#define SIDE_CROSS -2
-
-// plane types are used to speed some tests
-// 0-2 are axial planes
-#define PLANE_X 0
-#define PLANE_Y 1
-#define PLANE_Z 2
-#define PLANE_NON_AXIAL 3
-
-#define Q_PI 3.14159265358979323846f
-
-extern const vec3_t vec3_origin;
-
-extern const vec3_t g_vec3_axis_x;
-extern const vec3_t g_vec3_axis_y;
-extern const vec3_t g_vec3_axis_z;
-
-#define EQUAL_EPSILON 0.001
-
-#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 VectorIncrement(a,b) ((b)[0]+=(a)[0],(b)[1]+=(a)[1],(b)[2]+=(a)[2])
-#define VectorCopy(a,b) ((b)[0]=(a)[0],(b)[1]=(a)[1],(b)[2]=(a)[2])
-#define VectorSet(v, a, b, c) ((v)[0]=(a),(v)[1]=(b),(v)[2]=(c))
-#define VectorScale(a,b,c) ((c)[0]=(b)*(a)[0],(c)[1]=(b)*(a)[1],(c)[2]=(b)*(a)[2])
-#define VectorMid(a,b,c) ((c)[0]=((a)[0]+(b)[0])*0.5f,(c)[1]=((a)[1]+(b)[1])*0.5f,(c)[2]=((a)[2]+(b)[2])*0.5f)
-#define VectorNegate(a,b) ((b)[0]=-(a)[0],(b)[1]=-(a)[1],(b)[2]=-(a)[2])
-#define CrossProduct(a,b,c) ((c)[0]=(a)[1]*(b)[2]-(a)[2]*(b)[1],(c)[1]=(a)[2]*(b)[0]-(a)[0]*(b)[2],(c)[2]=(a)[0]*(b)[1]-(a)[1]*(b)[0])
-#define VectorClear(x) ((x)[0]=(x)[1]=(x)[2]=0)
-
-#define FLOAT_SNAP(f,snap) ( (float)( floor( (f) / (snap) + 0.5 ) * (snap) ) )
-#define FLOAT_TO_INTEGER(f) ( (float)( floor( (f) + 0.5 ) ) )
-
-#define RGBTOGRAY(x) ( (float)((x)[0]) * 0.2989f + (float)((x)[1]) * 0.5870f + (float)((x)[2]) * 0.1140f )
-
-#define Q_rint(in) ((vec_t)floor(in+0.5))
-
-qboolean VectorCompare (const vec3_t v1, const vec3_t v2);
-
-qboolean VectorIsOnAxis(vec3_t v);
-qboolean VectorIsOnAxialPlane(vec3_t v);
-
-vec_t VectorLength(const vec3_t v);
-
-void VectorMA( const vec3_t va, vec_t scale, const vec3_t vb, vec3_t vc );
-
-void _CrossProduct (vec3_t v1, vec3_t v2, vec3_t cross);
-// I need this define in order to test some of the regression tests from time to time.
-// This define affect the precision of VectorNormalize() function only.
-#define MATHLIB_VECTOR_NORMALIZE_PRECISION_FIX 1
-vec_t VectorNormalize (const vec3_t in, vec3_t out);
-vec_t ColorNormalize( const vec3_t in, vec3_t out );
-void VectorInverse (vec3_t v);
-void VectorPolar(vec3_t v, float radius, float theta, float phi);
-
-// default snapping, to 1
-void VectorSnap(vec3_t v);
-
-// integer snapping
-void VectorISnap(vec3_t point, int snap);
-
-// Gef: added snap to float for sub-integer grid sizes
-// TTimo: we still use the int version of VectorSnap when possible
-// to avoid potential rounding issues
-// TTimo: renaming to VectorFSnap for C implementation
-void VectorFSnap(vec3_t point, float snap);
-
-// NOTE: added these from Ritual's Q3Radiant
-void ClearBounds (vec3_t mins, vec3_t maxs);
-void AddPointToBounds (vec3_t v, vec3_t mins, vec3_t maxs);
-
-
-#define PITCH 0 // up / down
-#define YAW 1 // left / right
-#define ROLL 2 // fall over
-
-void AngleVectors (vec3_t angles, vec3_t forward, vec3_t right, vec3_t up);
-void VectorToAngles( vec3_t vec, vec3_t angles );
-
-#define ZERO_EPSILON 1.0E-6
-#define RAD2DEGMULT 57.29577951308232f
-#define DEG2RADMULT 0.01745329251994329f
-#define RAD2DEG( a ) ( (a) * RAD2DEGMULT )
-#define DEG2RAD( a ) ( (a) * DEG2RADMULT )
-
-void VectorRotate (vec3_t vIn, vec3_t vRotation, vec3_t out);
-void VectorRotateOrigin (vec3_t vIn, vec3_t vRotation, vec3_t vOrigin, vec3_t out);
-
-// some function merged from tools mathlib code
-
-qboolean PlaneFromPoints( vec4_t plane, const vec3_t a, const vec3_t b, const vec3_t c );
-void NormalToLatLong( const vec3_t normal, byte bytes[2] );
-int PlaneTypeForNormal (vec3_t normal);
-void RotatePointAroundVector( vec3_t dst, const vec3_t dir, const vec3_t point, float degrees );
-
-
-/*!
-\todo
-FIXME test calls such as intersect tests should be named test_
-*/
-
-typedef vec_t m3x3_t[9];
-/*!NOTE
-m4x4 looks like this..
-
- x y z
-x axis ( 0 1 2)
-y axis ( 4 5 6)
-z axis ( 8 9 10)
-translation (12 13 14)
-scale ( 0 5 10)
-*/
-typedef vec_t m4x4_t[16];
-
-#define M4X4_INDEX(m,row,col) (m[(col<<2)+row])
-
-typedef enum { eXYZ, eYZX, eZXY, eXZY, eYXZ, eZYX } eulerOrder_t;
-
-#define CLIP_PASS 0x00 // 000000
-#define CLIP_LT_X 0x01 // 000001
-#define CLIP_GT_X 0x02 // 000010
-#define CLIP_LT_Y 0x04 // 000100
-#define CLIP_GT_Y 0x08 // 001000
-#define CLIP_LT_Z 0x10 // 010000
-#define CLIP_GT_Z 0x20 // 100000
-#define CLIP_FAIL 0x3F // 111111
-typedef unsigned char clipmask_t;
-
-extern const m4x4_t g_m4x4_identity;
-
-#define M4X4_COPY(dst,src) (\
-(dst)[0]=(src)[0],\
-(dst)[1]=(src)[1],\
-(dst)[2]=(src)[2],\
-(dst)[3]=(src)[3],\
-(dst)[4]=(src)[4],\
-(dst)[5]=(src)[5],\
-(dst)[6]=(src)[6],\
-(dst)[7]=(src)[7],\
-(dst)[8]=(src)[8],\
-(dst)[9]=(src)[9],\
-(dst)[10]=(src)[10],\
-(dst)[11]=(src)[11],\
-(dst)[12]=(src)[12],\
-(dst)[13]=(src)[13],\
-(dst)[14]=(src)[14],\
-(dst)[15]=(src)[15])
-
-typedef enum
-{
- eRightHanded = 0,
- eLeftHanded = 1,
-}
-m4x4Handedness_t;
-
-m4x4Handedness_t m4x4_handedness(const m4x4_t matrix);
-
-/*! assign other m4x4 to this m4x4 */
-void m4x4_assign(m4x4_t matrix, const m4x4_t other);
-
-// constructors
-/*! create m4x4 as identity matrix */
-void m4x4_identity(m4x4_t matrix);
-/*! create m4x4 as a translation matrix, for a translation vec3 */
-void m4x4_translation_for_vec3(m4x4_t matrix, const vec3_t translation);
-/*! create m4x4 as a rotation matrix, for an euler angles (degrees) vec3 */
-void m4x4_rotation_for_vec3(m4x4_t matrix, const vec3_t euler, eulerOrder_t order);
-/*! create m4x4 as a scaling matrix, for a scale vec3 */
-void m4x4_scale_for_vec3(m4x4_t matrix, const vec3_t scale);
-/*! create m4x4 as a rotation matrix, for a quaternion vec4 */
-void m4x4_rotation_for_quat(m4x4_t matrix, const vec4_t rotation);
-/*! create m4x4 as a rotation matrix, for an axis vec3 and an angle (radians) */
-void m4x4_rotation_for_axisangle(m4x4_t matrix, const vec3_t axis, double angle);
-/*! generate a perspective matrix by specifying the view frustum */
-void m4x4_frustum(m4x4_t matrix, vec_t left, vec_t right, vec_t bottom, vec_t top, vec_t nearval, vec_t farval);
-
-// a valid m4x4 to access is always first argument
-/*! extract translation vec3 from matrix */
-void m4x4_get_translation_vec3(const m4x4_t matrix, vec3_t translation);
-/*! extract euler rotation angles from a rotation-only matrix */
-void m4x4_get_rotation_vec3(const m4x4_t matrix, vec3_t euler, eulerOrder_t order);
-/*! extract scale vec3 from matrix */
-void m4x4_get_scale_vec3(const m4x4_t matrix, vec3_t scale);
-/*! extract translation/euler/scale from an orthogonal matrix. NOTE: requires right-handed axis-base */
-void m4x4_get_transform_vec3(const m4x4_t matrix, vec3_t translation, vec3_t euler, eulerOrder_t order, vec3_t scale);
-
-// a valid m4x4 to be modified is always first argument
-/*! translate m4x4 by a translation vec3 */
-void m4x4_translate_by_vec3(m4x4_t matrix, const vec3_t translation);
-/*! rotate m4x4 by a euler (degrees) vec3 */
-void m4x4_rotate_by_vec3(m4x4_t matrix, const vec3_t euler, eulerOrder_t order);
-/*! scale m4x4 by a scaling vec3 */
-void m4x4_scale_by_vec3(m4x4_t matrix, const vec3_t scale);
-/*! rotate m4x4 by a quaternion vec4 */
-void m4x4_rotate_by_quat(m4x4_t matrix, const vec4_t rotation);
-/*! rotate m4x4 by an axis vec3 and an angle (radians) */
-void m4x4_rotate_by_axisangle(m4x4_t matrix, const vec3_t axis, double angle);
-/*! transform m4x4 by translation/eulerZYX/scaling vec3 (transform = scale * eulerZ * eulerY * eulerX * translation) */
-void m4x4_transform_by_vec3(m4x4_t matrix, const vec3_t translation, const vec3_t euler, eulerOrder_t order, const vec3_t scale);
-/*! rotate m4x4 around a pivot point by eulerZYX vec3 */
-void m4x4_pivoted_rotate_by_vec3(m4x4_t matrix, const vec3_t euler, eulerOrder_t order, const vec3_t pivotpoint);
-/*! scale m4x4 around a pivot point by scaling vec3 */
-void m4x4_pivoted_scale_by_vec3(m4x4_t matrix, const vec3_t scale, const vec3_t pivotpoint);
-/*! transform m4x4 around a pivot point by translation/eulerZYX/scaling vec3 */
-void m4x4_pivoted_transform_by_vec3(m4x4_t matrix, const vec3_t translation, const vec3_t euler, eulerOrder_t order, const vec3_t scale, const vec3_t pivotpoint);
-/*! transform m4x4 around a pivot point by translation/rotation/scaling vec3 */
-void m4x4_pivoted_transform_by_rotation(m4x4_t matrix, const vec3_t translation, const m4x4_t rotation, const vec3_t scale, const vec3_t pivotpoint);
-/*! rotate m4x4 around a pivot point by quaternion vec4 */
-void m4x4_pivoted_rotate_by_quat(m4x4_t matrix, const vec4_t quat, const vec3_t pivotpoint);
-/*! rotate m4x4 around a pivot point by axis vec3 and angle (radians) */
-void m4x4_pivoted_rotate_by_axisangle(m4x4_t matrix, const vec3_t axis, double angle, const vec3_t pivotpoint);
-
-/*! postmultiply m4x4 by another m4x4 */
-void m4x4_multiply_by_m4x4(m4x4_t matrix, const m4x4_t matrix_src);
-/*! premultiply m4x4 by another m4x4 */
-void m4x4_premultiply_by_m4x4(m4x4_t matrix, const m4x4_t matrix_src);
-/*! postmultiply orthogonal m4x4 by another orthogonal m4x4 */
-void m4x4_orthogonal_multiply_by_m4x4(m4x4_t matrix, const m4x4_t matrix_src);
-/*! premultiply orthogonal m4x4 by another orthogonal m4x4 */
-void m4x4_orthogonal_premultiply_by_m4x4(m4x4_t matrix, const m4x4_t matrix_src);
-
-/*! multiply a point (x,y,z,1) by matrix */
-void m4x4_transform_point(const m4x4_t matrix, vec3_t point);
-/*! multiply a normal (x,y,z,0) by matrix */
-void m4x4_transform_normal(const m4x4_t matrix, vec3_t normal);
-/*! multiply a vec4 (x,y,z,w) by matrix */
-void m4x4_transform_vec4(const m4x4_t matrix, vec4_t vector);
-
-/*! multiply a point (x,y,z,1) by matrix */
-void m4x4_transform_point(const m4x4_t matrix, vec3_t point);
-/*! multiply a normal (x,y,z,0) by matrix */
-void m4x4_transform_normal(const m4x4_t matrix, vec3_t normal);
-
-/*! transpose a m4x4 */
-void m4x4_transpose(m4x4_t matrix);
-/*! invert an orthogonal 4x3 subset of a 4x4 matrix */
-int m4x4_orthogonal_invert(m4x4_t matrix);
-/*! m4_det */
-float m4_det( m4x4_t mr );
-/*! invert any m4x4 using Kramer's rule.. return 1 if matrix is singular, else return 0 */
-int m4x4_invert(m4x4_t matrix);
-
-/*! clip a point (x,y,z,1) by canonical matrix */
-clipmask_t m4x4_clip_point(const m4x4_t matrix, const vec3_t point, vec4_t clipped);
-/*! device-space polygon for clipped triangle */
-unsigned int m4x4_clip_triangle(const m4x4_t matrix, const vec3_t p0, const vec3_t p1, const vec3_t p2, vec4_t clipped[9]);
-/*! device-space line for clipped line */
-unsigned int m4x4_clip_line(const m4x4_t matrix, const vec3_t p0, const vec3_t p1, vec4_t clipped[2]);
-
-
-//! quaternion identity
-void quat_identity(vec4_t quat);
-//! quaternion from two unit vectors
-void quat_for_unit_vectors(vec4_t quat, const vec3_t from, const vec3_t to);
-//! quaternion from axis and angle (radians)
-void quat_for_axisangle(vec4_t quat, const vec3_t axis, double angle);
-//! concatenates two rotations.. equivalent to m4x4_multiply_by_m4x4 .. postmultiply.. the right-hand side is the first rotation performed
-void quat_multiply_by_quat(vec4_t quat, const vec4_t other);
-//! negate a quaternion
-void quat_conjugate(vec4_t quat);
-//! normalise a quaternion
-void quat_normalise(vec4_t quat);
-
-
-
-/*!
-\todo object/ray intersection functions should maybe return a point rather than a distance?
-*/
-
-/*!
-aabb_t - "axis-aligned" bounding box...
- origin: centre of bounding box...
- extents: +/- extents of box from origin...
-*/
-typedef struct aabb_s
-{
- vec3_t origin;
- vec3_t extents;
-} aabb_t;
-
-extern const aabb_t g_aabb_null;
-
-/*!
-bbox_t - oriented bounding box...
- aabb: axis-aligned bounding box...
- axes: orientation axes...
-*/
-typedef struct bbox_s
-{
- aabb_t aabb;
- vec3_t axes[3];
- vec_t radius;
-} bbox_t;
-
-/*!
-ray_t - origin point and direction unit-vector
-*/
-typedef struct ray_s
-{
- vec3_t origin;
- vec3_t direction;
-} ray_t;
-
-/*!
-line_t - centre point and displacement of end point from centre
-*/
-typedef struct line_s
-{
- vec3_t origin;
- vec3_t extents;
-} line_t;
-
-
-/*! Generate line from start/end points. */
-void line_construct_for_vec3(line_t* line, const vec3_t start, const vec3_t end);
-/*! Return 2 if line is behind plane, else return 1 if line intersects plane, else return 0. */
-int line_test_plane(const line_t* line, const vec4_t plane);
-
-/*! Generate AABB from min/max. */
-void aabb_construct_for_vec3(aabb_t* aabb, const vec3_t min, const vec3_t max);
-/*! Initialise AABB to negative size. */
-void aabb_clear(aabb_t* aabb);
-
-/*! Extend AABB to include point. */
-void aabb_extend_by_point(aabb_t* aabb, const vec3_t point);
-/*! Extend AABB to include aabb_src. */
-void aabb_extend_by_aabb(aabb_t* aabb, const aabb_t* aabb_src);
-/*! Extend AABB by +/- extension vector. */
-void aabb_extend_by_vec3(aabb_t* aabb, vec3_t extension);
-
-/*! Return 2 if point is inside, else 1 if point is on surface, else 0. */
-int aabb_test_point(const aabb_t* aabb, const vec3_t point);
-/*! Return 2 if aabb_src intersects, else 1 if aabb_src touches exactly, else 0. */
-int aabb_test_aabb(const aabb_t* aabb, const aabb_t* aabb_src);
-/*! Return 2 if aabb is behind plane, else 1 if aabb intersects plane, else 0. */
-int aabb_test_plane(const aabb_t* aabb, const float* plane);
-/*! Return 1 if aabb intersects ray, else 0... dist = closest intersection. */
-int aabb_intersect_ray(const aabb_t* aabb, const ray_t* ray, vec3_t intersection);
-/*! Return 1 if aabb intersects ray, else 0. Faster, but does not provide point of intersection */
-int aabb_test_ray(const aabb_t* aabb, const ray_t* ray);
-
-/*! Return 2 if oriented aabb is behind plane, else 1 if aabb intersects plane, else 0. */
-int aabb_oriented_intersect_plane(const aabb_t* aabb, const m4x4_t transform, const vec_t* plane);
-
-/*! Calculate the corners of the aabb. */
-void aabb_corners(const aabb_t* aabb, vec3_t corners[8]);
-
-/*! (deprecated) Generate AABB from oriented bounding box. */
-void aabb_for_bbox(aabb_t* aabb, const bbox_t* bbox);
-/*! (deprecated) Generate AABB from 2-dimensions of min/max, specified by axis. */
-void aabb_for_area(aabb_t* aabb, vec3_t area_tl, vec3_t area_br, int axis);
-/*! Generate AABB to contain src* transform. NOTE: transform must be orthogonal */
-void aabb_for_transformed_aabb(aabb_t* dst, const aabb_t* src, const m4x4_t transform);
-
-/*! Update bounding-sphere radius. */
-void bbox_update_radius(bbox_t* bbox);
-/*! Generate oriented bounding box from AABB and transformation matrix. */
-/*!\todo Remove need to specify eulerZYX/scale. */
-void bbox_for_oriented_aabb(bbox_t* bbox, const aabb_t* aabb,
- const m4x4_t matrix, const vec3_t eulerZYX, const vec3_t scale);
-/*! Return 2 if bbox is behind plane, else return 1 if bbox intersects plane, else return 0. */
-int bbox_intersect_plane(const bbox_t* bbox, const vec_t* plane);
-
-
-/*! Generate a ray from an origin point and a direction unit-vector */
-void ray_construct_for_vec3(ray_t* ray, const vec3_t origin, const vec3_t direction);
-
-/*! Transform a ray */
-void ray_transform(ray_t* ray, const m4x4_t matrix);
-
-/*! distance from ray origin in ray direction to point. FLT_MAX if no intersection. */
-vec_t ray_intersect_point(const ray_t* ray, const vec3_t point, vec_t epsilon, vec_t divergence);
-/*! distance from ray origin in ray direction to triangle. FLT_MAX if no intersection. */
-vec_t ray_intersect_triangle(const ray_t* ray, qboolean bCullBack, const vec3_t vert0, const vec3_t vert1, const vec3_t vert2);
-/*! distance from ray origin in ray direction to plane. */
-vec_t ray_intersect_plane(const ray_t* ray, const vec3_t normal, vec_t dist);
-
-
-int plane_intersect_planes(const vec4_t plane1, const vec4_t plane2, const vec4_t plane3, vec3_t intersection);
-
-
-
-////////////////////////////////////////////////////////////////////////////////
-// Below is double-precision math stuff. This was initially needed by the new
-// "base winding" code in q3map2 brush processing in order to fix the famous
-// "disappearing triangles" issue. These definitions can be used wherever extra
-// precision is needed.
-////////////////////////////////////////////////////////////////////////////////
-
-typedef double vec_accu_t;
-typedef vec_accu_t vec3_accu_t[3];
-
-// Smallest positive value for vec_accu_t such that 1.0 + VEC_ACCU_SMALLEST_EPSILON_AROUND_ONE != 1.0.
-// In the case of 64 bit doubles (which is almost certainly the case), it's 0.00000000000000022204.
-// Don't forget that your epsilons should depend on the possible range of values,
-// because for example adding VEC_ACCU_SMALLEST_EPSILON_AROUND_ONE to 1024.0 will have no effect.
-#define VEC_ACCU_SMALLEST_EPSILON_AROUND_ONE DBL_EPSILON
-
-vec_accu_t VectorLengthAccu(const vec3_accu_t v);
-
-// I have a feeling it may be safer to break these #define functions out into actual functions
-// in order to avoid accidental loss of precision. For example, say you call
-// VectorScaleAccu(vec3_t, vec_t, vec3_accu_t). The scale would take place in 32 bit land
-// and the result would be cast to 64 bit, which would cause total loss of precision when
-// scaling by a large factor.
-//#define DotProductAccu(x, y) ((x)[0] * (y)[0] + (x)[1] * (y)[1] + (x)[2] * (y)[2])
-//#define VectorSubtractAccu(a, b, c) ((c)[0] = (a)[0] - (b)[0], (c)[1] = (a)[1] - (b)[1], (c)[2] = (a)[2] - (b)[2])
-//#define VectorAddAccu(a, b, c) ((c)[0] = (a)[0] + (b)[0], (c)[1] = (a)[1] + (b)[1], (c)[2] = (a)[2] + (b)[2])
-//#define VectorCopyAccu(a, b) ((b)[0] = (a)[0], (b)[1] = (a)[1], (b)[2] = (a)[2])
-//#define VectorScaleAccu(a, b, c) ((c)[0] = (b) * (a)[0], (c)[1] = (b) * (a)[1], (c)[2] = (b) * (a)[2])
-//#define CrossProductAccu(a, b, c) ((c)[0] = (a)[1] * (b)[2] - (a)[2] * (b)[1], (c)[1] = (a)[2] * (b)[0] - (a)[0] * (b)[2], (c)[2] = (a)[0] * (b)[1] - (a)[1] * (b)[0])
-//#define Q_rintAccu(in) ((vec_accu_t) floor(in + 0.5))
-
-vec_accu_t DotProductAccu(const vec3_accu_t a, const vec3_accu_t b);
-void VectorSubtractAccu(const vec3_accu_t a, const vec3_accu_t b, vec3_accu_t out);
-void VectorAddAccu(const vec3_accu_t a, const vec3_accu_t b, vec3_accu_t out);
-void VectorCopyAccu(const vec3_accu_t in, vec3_accu_t out);
-void VectorScaleAccu(const vec3_accu_t in, vec_accu_t scaleFactor, vec3_accu_t out);
-void CrossProductAccu(const vec3_accu_t a, const vec3_accu_t b, vec3_accu_t out);
-vec_accu_t Q_rintAccu(vec_accu_t val);
-
-void VectorCopyAccuToRegular(const vec3_accu_t in, vec3_t out);
-void VectorCopyRegularToAccu(const vec3_t in, vec3_accu_t out);
-vec_accu_t VectorNormalizeAccu(const vec3_accu_t in, vec3_accu_t out);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __MATHLIB__ */
projects / voretournament / voretournament.git / blobdiff