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- #pragma once
- //========================================================================
- // CMath.h - useful and fast math functions and approximations
- //
- //
- // Part of the GameCode4 Application
- //
- // GameCode4 is the sample application that encapsulates much of the source code
- // discussed in "Game Coding Complete - 4th Edition" by Mike McShaffry and David
- // "Rez" Graham, published by Charles River Media.
- // ISBN-10: 1133776574 | ISBN-13: 978-1133776574
- //
- // If this source code has found it's way to you, and you think it has helped you
- // in any way, do the authors a favor and buy a new copy of the book - there are
- // detailed explanations in it that compliment this code well. Buy a copy at Amazon.com
- // by clicking here:
- // http://www.amazon.com/gp/product/1133776574/ref=olp_product_details?ie=UTF8&me=&seller=
- //
- // There's a companion web site at http://www.mcshaffry.com/GameCode/
- //
- // The source code is managed and maintained through Google Code:
- // http://code.google.com/p/gamecode4/
- //
- // (c) Copyright 2012 Michael L. McShaffry and David Graham
- //
- // This program is free software; you can redistribute it and/or
- // modify it under the terms of the GNU Lesser GPL v3
- // as published by the Free Software Foundation.
- //
- // This program 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
- // http://www.gnu.org/licenses/lgpl-3.0.txt for more details.
- //
- // You should have received a copy of the GNU Lesser GPL v3
- // along with this program; if not, write to the Free Software
- // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- //
- //========================================================================
- //========================================================================
- //
- // Original Code written at Compulsive Development
- //
- //========================================================================
- //--------------------------------------------------------------------------------
- // Includes
- //--------------------------------------------------------------------------------
- #include "../Graphics3D/Geometry.h"
- #include <functional>
- #include <vector>
- //--------------------------------------------------------------------------------
- // Defines
- //--------------------------------------------------------------------------------
- //--------------------------------------------------------------------------------
- /* Period parameters */
- #define CMATH_N 624
- #define CMATH_M 397
- #define CMATH_MATRIX_A 0x9908b0df /* constant vector a */
- #define CMATH_UPPER_MASK 0x80000000 /* most significant w-r bits */
- #define CMATH_LOWER_MASK 0x7fffffff /* least significant r bits */
- /* Tempering parameters */
- #define CMATH_TEMPERING_MASK_B 0x9d2c5680
- #define CMATH_TEMPERING_MASK_C 0xefc60000
- #define CMATH_TEMPERING_SHIFT_U(y) (y >> 11)
- #define CMATH_TEMPERING_SHIFT_S(y) (y << 7)
- #define CMATH_TEMPERING_SHIFT_T(y) (y << 15)
- #define CMATH_TEMPERING_SHIFT_L(y) (y >> 18)
- #define RADIANS_TO_DEGREES(x) ((x) * 180.0f / GCC_PI)
- #define DEGREES_TO_RADIANS(x) ((x) * GCC_PI / 180.0f)
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