forked from bartvdbraak/blender
96 lines
3.3 KiB
C
96 lines
3.3 KiB
C
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/*
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Copyright (c) 2005 Gino van den Bergen / Erwin Coumans <www.erwincoumans.com>
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Permission is hereby granted, free of charge, to any person or organization
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obtaining a copy of the software and accompanying documentation covered by
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this license (the "Software") to use, reproduce, display, distribute,
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execute, and transmit the Software, and to prepare derivative works of the
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Software, and to permit third-parties to whom the Software is furnished to
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do so, all subject to the following:
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The copyright notices in the Software and this entire statement, including
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the above license grant, this restriction and the following disclaimer,
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must be included in all copies of the Software, in whole or in part, and
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all derivative works of the Software, unless such copies or derivative
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works are solely in the form of machine-executable object code generated by
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a source language processor.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SIMD___SCALAR_H
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#define SIMD___SCALAR_H
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#include <math.h>
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#undef max
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#include <cstdlib>
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#include <cfloat>
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#include <float.h>
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#ifdef WIN32
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#define SIMD_FORCE_INLINE __forceinline
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//#define ATTRIBUTE_ALIGNED16(a) __declspec(align(16)) a
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#define ATTRIBUTE_ALIGNED16(a) a
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#include <assert.h>
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#define ASSERT assert
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#else
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#define SIMD_FORCE_INLINE inline
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#define ATTRIBUTE_ALIGNED16(a) a
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#ifndef assert
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#include <assert.h>
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#endif
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#define ASSERT assert
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#endif
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typedef float SimdScalar;
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const SimdScalar SIMD_2_PI = 6.283185307179586232f;
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const SimdScalar SIMD_PI = SIMD_2_PI * SimdScalar(0.5f);
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const SimdScalar SIMD_HALF_PI = SIMD_2_PI * SimdScalar(0.25f);
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const SimdScalar SIMD_RADS_PER_DEG = SIMD_2_PI / SimdScalar(360.0f);
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const SimdScalar SIMD_DEGS_PER_RAD = SimdScalar(360.0f) / SIMD_2_PI;
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const SimdScalar SIMD_EPSILON = FLT_EPSILON;
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const SimdScalar SIMD_INFINITY = FLT_MAX;
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SIMD_FORCE_INLINE bool SimdFuzzyZero(SimdScalar x) { return fabsf(x) < SIMD_EPSILON; }
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SIMD_FORCE_INLINE bool SimdEqual(SimdScalar a, SimdScalar eps) {
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return (((a) <= eps) && !((a) < -eps));
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}
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SIMD_FORCE_INLINE bool SimdGreaterEqual (SimdScalar a, SimdScalar eps) {
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return (!((a) <= eps));
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}
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SIMD_FORCE_INLINE SimdScalar SimdCos(SimdScalar x) { return cosf(x); }
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SIMD_FORCE_INLINE SimdScalar SimdSin(SimdScalar x) { return sinf(x); }
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SIMD_FORCE_INLINE SimdScalar SimdTan(SimdScalar x) { return tanf(x); }
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SIMD_FORCE_INLINE int SimdSign(SimdScalar x) {
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return x < 0.0f ? -1 : x > 0.0f ? 1 : 0;
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}
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SIMD_FORCE_INLINE SimdScalar SimdAcos(SimdScalar x) { return acosf(x); }
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SIMD_FORCE_INLINE SimdScalar SimdAsin(SimdScalar x) { return asinf(x); }
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SIMD_FORCE_INLINE SimdScalar SimdAtan(SimdScalar x) { return atanf(x); }
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SIMD_FORCE_INLINE SimdScalar SimdAtan2(SimdScalar x, SimdScalar y) { return atan2f(x, y); }
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SIMD_FORCE_INLINE SimdScalar SimdRadians(SimdScalar x) { return x * SIMD_RADS_PER_DEG; }
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SIMD_FORCE_INLINE SimdScalar SimdDegrees(SimdScalar x) { return x * SIMD_DEGS_PER_RAD; }
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#endif
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