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Diffstat (limited to 'thirdparty/bullet/BulletCollision/Gimpact/gim_math.h')
| -rw-r--r-- | thirdparty/bullet/BulletCollision/Gimpact/gim_math.h | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/thirdparty/bullet/BulletCollision/Gimpact/gim_math.h b/thirdparty/bullet/BulletCollision/Gimpact/gim_math.h deleted file mode 100644 index 3c4f821a72..0000000000 --- a/thirdparty/bullet/BulletCollision/Gimpact/gim_math.h +++ /dev/null @@ -1,148 +0,0 @@ -#ifndef GIM_MATH_H_INCLUDED -#define GIM_MATH_H_INCLUDED -/*! \file gim_math.h -\author Francisco Leon Najera -*/ -/* ------------------------------------------------------------------------------ -This source file is part of GIMPACT Library. - -For the latest info, see http://gimpact.sourceforge.net/ - -Copyright (c) 2006 Francisco Leon Najera. C.C. 80087371. -email: projectileman@yahoo.com - - This library is free software; you can redistribute it and/or - modify it under the terms of EITHER: - (1) The GNU Lesser General Public License as published by the Free - Software Foundation; either version 2.1 of the License, or (at - your option) any later version. The text of the GNU Lesser - General Public License is included with this library in the - file GIMPACT-LICENSE-LGPL.TXT. - (2) The BSD-style license that is included with this library in - the file GIMPACT-LICENSE-BSD.TXT. - (3) The zlib/libpng license that is included with this library in - the file GIMPACT-LICENSE-ZLIB.TXT. - - This library 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 files - GIMPACT-LICENSE-LGPL.TXT, GIMPACT-LICENSE-ZLIB.TXT and GIMPACT-LICENSE-BSD.TXT for more details. - ------------------------------------------------------------------------------ -*/ - -#include "LinearMath/btScalar.h" - -#define GREAL btScalar -#define GREAL2 double -#define GINT int -#define GUINT unsigned int -#define GSHORT short -#define GUSHORT unsigned short -#define GINT64 long long -#define GUINT64 unsigned long long - -#define G_PI 3.14159265358979f -#define G_HALF_PI 1.5707963f -//267948966 -#define G_TWO_PI 6.28318530f -//71795864 -#define G_ROOT3 1.73205f -#define G_ROOT2 1.41421f -#define G_UINT_INFINITY 0xffffffff //!< A very very high value -#define G_REAL_INFINITY FLT_MAX -#define G_SIGN_BITMASK 0x80000000 -#define G_EPSILON SIMD_EPSILON - -enum GIM_SCALAR_TYPES -{ - G_STYPE_REAL = 0, - G_STYPE_REAL2, - G_STYPE_SHORT, - G_STYPE_USHORT, - G_STYPE_INT, - G_STYPE_UINT, - G_STYPE_INT64, - G_STYPE_UINT64 -}; - -#define G_DEGTORAD(X) ((X)*3.1415926f / 180.0f) -#define G_RADTODEG(X) ((X)*180.0f / 3.1415926f) - -//! Integer representation of a floating-point value. -#define GIM_IR(x) ((GUINT&)(x)) - -//! Signed integer representation of a floating-point value. -#define GIM_SIR(x) ((GINT&)(x)) - -//! Absolute integer representation of a floating-point value -#define GIM_AIR(x) (GIM_IR(x) & 0x7fffffff) - -//! Floating-point representation of an integer value. -#define GIM_FR(x) ((GREAL&)(x)) - -#define GIM_MAX(a, b) (a < b ? b : a) -#define GIM_MIN(a, b) (a > b ? b : a) - -#define GIM_MAX3(a, b, c) GIM_MAX(a, GIM_MAX(b, c)) -#define GIM_MIN3(a, b, c) GIM_MIN(a, GIM_MIN(b, c)) - -#define GIM_IS_ZERO(value) (value < G_EPSILON && value > -G_EPSILON) - -#define GIM_IS_NEGATIVE(value) (value <= -G_EPSILON) - -#define GIM_IS_POSISITVE(value) (value >= G_EPSILON) - -#define GIM_NEAR_EQUAL(v1, v2) GIM_IS_ZERO((v1 - v2)) - -///returns a clamped number -#define GIM_CLAMP(number, minval, maxval) (number < minval ? minval : (number > maxval ? maxval : number)) - -#define GIM_GREATER(x, y) btFabs(x) > (y) - -///Swap numbers -#define GIM_SWAP_NUMBERS(a, b) \ - { \ - a = a + b; \ - b = a - b; \ - a = a - b; \ - } - -#define GIM_INV_SQRT(va, isva) \ - { \ - if (va <= 0.0000001f) \ - { \ - isva = G_REAL_INFINITY; \ - } \ - else \ - { \ - GREAL _x = va * 0.5f; \ - GUINT _y = 0x5f3759df - (GIM_IR(va) >> 1); \ - isva = GIM_FR(_y); \ - isva = isva * (1.5f - (_x * isva * isva)); \ - } \ - } - -#define GIM_SQRT(va, sva) \ - { \ - GIM_INV_SQRT(va, sva); \ - sva = 1.0f / sva; \ - } - -//! Computes 1.0f / sqrtf(x). Comes from Quake3. See http://www.magic-software.com/3DGEDInvSqrt.html -inline GREAL gim_inv_sqrt(GREAL f) -{ - GREAL r; - GIM_INV_SQRT(f, r); - return r; -} - -inline GREAL gim_sqrt(GREAL f) -{ - GREAL r; - GIM_SQRT(f, r); - return r; -} - -#endif // GIM_MATH_H_INCLUDED |