forked from bartvdbraak/blender
157 lines
5.5 KiB
C++
Executable File
157 lines
5.5 KiB
C++
Executable File
/*
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* SOLID - Software Library for Interference Detection
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*
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* Copyright (C) 2001-2003 Dtecta. All rights reserved.
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*
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* This library may be distributed under the terms of the Q Public License
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* (QPL) as defined by Trolltech AS of Norway and appearing in the file
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* LICENSE.QPL included in the packaging of this file.
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*
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* This library may be distributed and/or modified under the terms of the
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* GNU General Public License (GPL) version 2 as published by the Free Software
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* Foundation and appearing in the file LICENSE.GPL included in the
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* packaging of this file.
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*
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* This library is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Commercial use or any other use of this library not covered by either
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* the QPL or the GPL requires an additional license from Dtecta.
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* Please contact info@dtecta.com for enquiries about the terms of commercial
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* use of this library.
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*/
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#ifndef MT_SCALAR_H
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#define MT_SCALAR_H
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#include <cmath>
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#if defined (__sun__) || defined ( __sun ) || defined (__sparc) || defined (__sparc__)
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#include <math.h>
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#endif
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#undef max
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#include <cstdlib>
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#include <cfloat>
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#include "SOLID_types.h"
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#include "GEN_MinMax.h"
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#include "GEN_random.h"
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template <typename Scalar>
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struct Scalar_traits {};
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template<>
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struct Scalar_traits<float> {
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static float TwoTimesPi() { return 6.283185307179586232f; }
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static float epsilon() { return FLT_EPSILON; }
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static float max() { return FLT_MAX; }
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static float random() { return float(GEN_rand()) / float(GEN_RAND_MAX); }
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#if defined (__sun) || defined (__sun__) || defined (__sparc) || defined (__APPLE__)
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static float sqrt(float x) { return ::sqrt(x); }
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static float abs(float x) { return ::fabs(x); }
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static float cos(float x) { return ::cos(x); }
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static float sin(float x) { return ::sin(x); }
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static float tan(float x) { return ::tan(x); }
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static float acos(float x) { return ::acos(x); }
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static float asin(float x) { return ::asin(x); }
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static float atan(float x) { return ::atan(x); }
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static float atan2(float x, float y) { return ::atan2(x, y); }
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static float exp(float x) { return ::exp(x); }
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static float log(float x) { return ::log(x); }
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static float pow(float x, float y) { return ::pow(x, y); }
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#else
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static float sqrt(float x) { return ::sqrtf(x); }
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static float abs(float x) { return ::fabsf(x); }
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static float cos(float x) { return ::cosf(x); }
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static float sin(float x) { return ::sinf(x); }
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static float tan(float x) { return ::tanf(x); }
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static float acos(float x) { return ::acosf(x); }
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static float asin(float x) { return ::asinf(x); }
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static float atan(float x) { return ::atanf(x); }
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static float atan2(float x, float y) { return ::atan2f(x, y); }
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static float exp(float x) { return ::expf(x); }
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static float log(float x) { return ::logf(x); }
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static float pow(float x, float y) { return ::powf(x, y); }
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#endif
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};
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template<>
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struct Scalar_traits<double> {
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static double TwoTimesPi() { return 6.283185307179586232; }
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static double epsilon() { return DBL_EPSILON; }
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static double max() { return DBL_MAX; }
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static double random() { return double(GEN_rand()) / double(GEN_RAND_MAX); }
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static double sqrt(double x) { return ::sqrt(x); }
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static double abs(double x) { return ::fabs(x); }
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static double cos(double x) { return ::cos(x); }
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static double sin(double x) { return ::sin(x); }
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static double tan(double x) { return ::tan(x); }
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static double acos(double x) { return ::acos(x); }
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static double asin(double x) { return ::asin(x); }
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static double atan(double x) { return ::atan(x); }
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static double atan2(double x, double y) { return ::atan2(x, y); }
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static double exp(double x) { return ::exp(x); }
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static double log(double x) { return ::log(x); }
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static double pow(double x, double y) { return ::pow(x, y); }
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};
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#ifdef USE_TRACER
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#include "MT_ScalarTracer.h"
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#ifdef USE_DOUBLES
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typedef MT_ScalarTracer<double> MT_Scalar;
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#else
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typedef MT_ScalarTracer<float> MT_Scalar;
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#endif
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#else
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#ifdef USE_DOUBLES
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typedef double MT_Scalar;
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#else
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typedef float MT_Scalar;
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#endif
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#endif
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const MT_Scalar MT_2_PI = Scalar_traits<MT_Scalar>::TwoTimesPi();
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const MT_Scalar MT_PI = MT_2_PI * MT_Scalar(0.5);
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const MT_Scalar MT_HALF_PI = MT_2_PI * MT_Scalar(0.25);
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const MT_Scalar MT_RADS_PER_DEG = MT_2_PI / MT_Scalar(360.0);
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const MT_Scalar MT_DEGS_PER_RAD = MT_Scalar(360.0) / MT_2_PI;
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const MT_Scalar MT_EPSILON = Scalar_traits<MT_Scalar>::epsilon();
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const MT_Scalar MT_INFINITY = Scalar_traits<MT_Scalar>::max();
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inline MT_Scalar MT_random() { return Scalar_traits<MT_Scalar>::random(); }
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inline MT_Scalar MT_abs(MT_Scalar x) { return Scalar_traits<MT_Scalar>::abs(x); }
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inline MT_Scalar MT_sqrt(MT_Scalar x) { return Scalar_traits<MT_Scalar>::sqrt(x); }
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inline MT_Scalar MT_cos(MT_Scalar x) { return Scalar_traits<MT_Scalar>::cos(x); }
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inline MT_Scalar MT_sin(MT_Scalar x) { return Scalar_traits<MT_Scalar>::sin(x); }
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inline MT_Scalar MT_tan(MT_Scalar x) { return Scalar_traits<MT_Scalar>::tan(x); }
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inline MT_Scalar MT_acos(MT_Scalar x) { return Scalar_traits<MT_Scalar>::acos(x); }
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inline MT_Scalar MT_asin(MT_Scalar x) { return Scalar_traits<MT_Scalar>::asin(x); }
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inline MT_Scalar MT_atan(MT_Scalar x) { return Scalar_traits<MT_Scalar>::atan(x); }
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inline MT_Scalar MT_atan2(MT_Scalar x, MT_Scalar y) { return Scalar_traits<MT_Scalar>::atan2(x, y); }
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inline MT_Scalar MT_radians(MT_Scalar x) { return x * MT_RADS_PER_DEG; }
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inline MT_Scalar MT_degrees(MT_Scalar x) { return x * MT_DEGS_PER_RAD; }
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#endif
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