7529cdb3f6
The upcoming vectormath that will used to speed up the SPU version of Extras/BulletMultiThreaded depends on this.
97 lines
3.5 KiB
C
97 lines
3.5 KiB
C
/* Common constants for Sin/Cos/Tan
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Copyright (C) 2006, 2007 Sony Computer Entertainment Inc.
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All rights reserved.
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Redistribution and use in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the Sony Computer Entertainment Inc nor the names
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of its contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __SINCOS_C2__
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#define __SINCOS_C2__
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//
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// Common constants used to evaluate sind2/cosd2/tand2
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//
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#define _SINCOS_CC0D 0.00000000206374484196
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#define _SINCOS_CC1D -0.00000027555365134677
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#define _SINCOS_CC2D 0.00002480157946764225
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#define _SINCOS_CC3D -0.00138888888730525966
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#define _SINCOS_CC4D 0.04166666666651986722
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#define _SINCOS_CC5D -0.49999999999999547304
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#define _SINCOS_SC0D 0.00000000015893606014
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#define _SINCOS_SC1D -0.00000002505069049138
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#define _SINCOS_SC2D 0.00000275573131527032
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#define _SINCOS_SC3D -0.00019841269827816117
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#define _SINCOS_SC4D 0.00833333333331908278
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#define _SINCOS_SC5D -0.16666666666666612594
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#define _SINCOS_KC1D (13176794.0 / 8388608.0)
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#define _SINCOS_KC2D 7.5497899548918821691639751442098584e-8
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//
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// Common constants used to evaluate sinf4/cosf4/tanf4
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//
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#define _SINCOS_CC0 -0.0013602249f
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#define _SINCOS_CC1 0.0416566950f
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#define _SINCOS_CC2 -0.4999990225f
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#define _SINCOS_SC0 -0.0001950727f
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#define _SINCOS_SC1 0.0083320758f
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#define _SINCOS_SC2 -0.1666665247f
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#define _SINCOS_KC1 1.57079625129f
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#define _SINCOS_KC2 7.54978995489e-8f
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//
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// Common constants used to evaluate sinf4est/cosf4est
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//
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#define _SINCOS_R1 -0.1666665668f
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#define _SINCOS_R2 0.8333025139e-2f
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#define _SINCOS_R3 -0.1980741872e-3f
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#define _SINCOS_R4 0.2601903036e-5f
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#define _SINCOS_C1 (201.0f/64.0f)
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#define _SINCOS_C2 9.67653589793e-4f
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// common constants used to evaluate sinf/cosf
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#define _SIN_C1 -0.35950439e-4f
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#define _SIN_C2 0.2490001007e-2f
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#define _SIN_C3 -0.8074543253e-1f
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#define _SIN_C4 0.7853981633f
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#define _COS_C1 -0.31872783e-3f
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#define _COS_C2 0.1584968416e-1f
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#define _COS_C3 -0.30842416558f
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#define _COS_C4 0.9999999673f
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#define POW2(x) x*x
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#define SPOLY(x) (((_SIN_C1 * POW2(x) + _SIN_C2) * POW2(x) + (_SIN_C3)) * POW2(x) + _SIN_C4) * x
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#define CPOLY(x) (((_COS_C1 * POW2(x) + _COS_C2) * POW2(x) + (_COS_C3)) * POW2(x) + _COS_C4)
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#define M_PI 3.141592653589793f
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#endif
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