00001 /*M/////////////////////////////////////////////////////////////////////////////////////// 00002 // 00003 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 00004 // 00005 // By downloading, copying, installing or using the software you agree to this license. 00006 // If you do not agree to this license, do not download, install, 00007 // copy or use the software. 00008 // 00009 // 00010 // License Agreement 00011 // For Open Source Computer Vision Library 00012 // 00013 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. 00014 // Copyright (C) 2009, Willow Garage Inc., all rights reserved. 00015 // Third party copyrights are property of their respective owners. 00016 // 00017 // Redistribution and use in source and binary forms, with or without modification, 00018 // are permitted provided that the following conditions are met: 00019 // 00020 // * Redistribution's of source code must retain the above copyright notice, 00021 // this list of conditions and the following disclaimer. 00022 // 00023 // * Redistribution's in binary form must reproduce the above copyright notice, 00024 // this list of conditions and the following disclaimer in the documentation 00025 // and/or other materials provided with the distribution. 00026 // 00027 // * The name of the copyright holders may not be used to endorse or promote products 00028 // derived from this software without specific prior written permission. 00029 // 00030 // This software is provided by the copyright holders and contributors "as is" and 00031 // any express or implied warranties, including, but not limited to, the implied 00032 // warranties of merchantability and fitness for a particular purpose are disclaimed. 00033 // In no event shall the Intel Corporation or contributors be liable for any direct, 00034 // indirect, incidental, special, exemplary, or consequential damages 00035 // (including, but not limited to, procurement of substitute goods or services; 00036 // loss of use, data, or profits; or business interruption) however caused 00037 // and on any theory of liability, whether in contract, strict liability, 00038 // or tort (including negligence or otherwise) arising in any way out of 00039 // the use of this software, even if advised of the possibility of such damage. 00040 // 00041 //M*/ 00042 00043 #ifndef __OPENCV_GPU_LIMITS_GPU_HPP__ 00044 #define __OPENCV_GPU_LIMITS_GPU_HPP__ 00045 00046 #include <limits> 00047 #include "common.hpp" 00048 00049 namespace cv { namespace gpu { namespace device 00050 { 00051 template<class T> struct numeric_limits 00052 { 00053 typedef T type; 00054 __device__ __forceinline__ static type min() { return type(); }; 00055 __device__ __forceinline__ static type max() { return type(); }; 00056 __device__ __forceinline__ static type epsilon() { return type(); } 00057 __device__ __forceinline__ static type round_error() { return type(); } 00058 __device__ __forceinline__ static type denorm_min() { return type(); } 00059 __device__ __forceinline__ static type infinity() { return type(); } 00060 __device__ __forceinline__ static type quiet_NaN() { return type(); } 00061 __device__ __forceinline__ static type signaling_NaN() { return T(); } 00062 static const bool is_signed; 00063 }; 00064 00065 template<> struct numeric_limits<bool> 00066 { 00067 typedef bool type; 00068 __device__ __forceinline__ static type min() { return false; }; 00069 __device__ __forceinline__ static type max() { return true; }; 00070 __device__ __forceinline__ static type epsilon(); 00071 __device__ __forceinline__ static type round_error(); 00072 __device__ __forceinline__ static type denorm_min(); 00073 __device__ __forceinline__ static type infinity(); 00074 __device__ __forceinline__ static type quiet_NaN(); 00075 __device__ __forceinline__ static type signaling_NaN(); 00076 static const bool is_signed = false; 00077 }; 00078 00079 template<> struct numeric_limits<char> 00080 { 00081 typedef char type; 00082 __device__ __forceinline__ static type min() { return CHAR_MIN; }; 00083 __device__ __forceinline__ static type max() { return CHAR_MAX; }; 00084 __device__ __forceinline__ static type epsilon(); 00085 __device__ __forceinline__ static type round_error(); 00086 __device__ __forceinline__ static type denorm_min(); 00087 __device__ __forceinline__ static type infinity(); 00088 __device__ __forceinline__ static type quiet_NaN(); 00089 __device__ __forceinline__ static type signaling_NaN(); 00090 static const bool is_signed = (char)-1 == -1; 00091 }; 00092 00093 template<> struct numeric_limits<signed char> 00094 { 00095 typedef char type; 00096 __device__ __forceinline__ static type min() { return SCHAR_MIN; }; 00097 __device__ __forceinline__ static type max() { return SCHAR_MAX; }; 00098 __device__ __forceinline__ static type epsilon(); 00099 __device__ __forceinline__ static type round_error(); 00100 __device__ __forceinline__ static type denorm_min(); 00101 __device__ __forceinline__ static type infinity(); 00102 __device__ __forceinline__ static type quiet_NaN(); 00103 __device__ __forceinline__ static type signaling_NaN(); 00104 static const bool is_signed = (signed char)-1 == -1; 00105 }; 00106 00107 template<> struct numeric_limits<unsigned char> 00108 { 00109 typedef unsigned char type; 00110 __device__ __forceinline__ static type min() { return 0; }; 00111 __device__ __forceinline__ static type max() { return UCHAR_MAX; }; 00112 __device__ __forceinline__ static type epsilon(); 00113 __device__ __forceinline__ static type round_error(); 00114 __device__ __forceinline__ static type denorm_min(); 00115 __device__ __forceinline__ static type infinity(); 00116 __device__ __forceinline__ static type quiet_NaN(); 00117 __device__ __forceinline__ static type signaling_NaN(); 00118 static const bool is_signed = false; 00119 }; 00120 00121 template<> struct numeric_limits<short> 00122 { 00123 typedef short type; 00124 __device__ __forceinline__ static type min() { return SHRT_MIN; }; 00125 __device__ __forceinline__ static type max() { return SHRT_MAX; }; 00126 __device__ __forceinline__ static type epsilon(); 00127 __device__ __forceinline__ static type round_error(); 00128 __device__ __forceinline__ static type denorm_min(); 00129 __device__ __forceinline__ static type infinity(); 00130 __device__ __forceinline__ static type quiet_NaN(); 00131 __device__ __forceinline__ static type signaling_NaN(); 00132 static const bool is_signed = true; 00133 }; 00134 00135 template<> struct numeric_limits<unsigned short> 00136 { 00137 typedef unsigned short type; 00138 __device__ __forceinline__ static type min() { return 0; }; 00139 __device__ __forceinline__ static type max() { return USHRT_MAX; }; 00140 __device__ __forceinline__ static type epsilon(); 00141 __device__ __forceinline__ static type round_error(); 00142 __device__ __forceinline__ static type denorm_min(); 00143 __device__ __forceinline__ static type infinity(); 00144 __device__ __forceinline__ static type quiet_NaN(); 00145 __device__ __forceinline__ static type signaling_NaN(); 00146 static const bool is_signed = false; 00147 }; 00148 00149 template<> struct numeric_limits<int> 00150 { 00151 typedef int type; 00152 __device__ __forceinline__ static type min() { return INT_MIN; }; 00153 __device__ __forceinline__ static type max() { return INT_MAX; }; 00154 __device__ __forceinline__ static type epsilon(); 00155 __device__ __forceinline__ static type round_error(); 00156 __device__ __forceinline__ static type denorm_min(); 00157 __device__ __forceinline__ static type infinity(); 00158 __device__ __forceinline__ static type quiet_NaN(); 00159 __device__ __forceinline__ static type signaling_NaN(); 00160 static const bool is_signed = true; 00161 }; 00162 00163 00164 template<> struct numeric_limits<unsigned int> 00165 { 00166 typedef unsigned int type; 00167 __device__ __forceinline__ static type min() { return 0; }; 00168 __device__ __forceinline__ static type max() { return UINT_MAX; }; 00169 __device__ __forceinline__ static type epsilon(); 00170 __device__ __forceinline__ static type round_error(); 00171 __device__ __forceinline__ static type denorm_min(); 00172 __device__ __forceinline__ static type infinity(); 00173 __device__ __forceinline__ static type quiet_NaN(); 00174 __device__ __forceinline__ static type signaling_NaN(); 00175 static const bool is_signed = false; 00176 }; 00177 00178 template<> struct numeric_limits<long> 00179 { 00180 typedef long type; 00181 __device__ __forceinline__ static type min() { return LONG_MIN; }; 00182 __device__ __forceinline__ static type max() { return LONG_MAX; }; 00183 __device__ __forceinline__ static type epsilon(); 00184 __device__ __forceinline__ static type round_error(); 00185 __device__ __forceinline__ static type denorm_min(); 00186 __device__ __forceinline__ static type infinity(); 00187 __device__ __forceinline__ static type quiet_NaN(); 00188 __device__ __forceinline__ static type signaling_NaN(); 00189 static const bool is_signed = true; 00190 }; 00191 00192 template<> struct numeric_limits<unsigned long> 00193 { 00194 typedef unsigned long type; 00195 __device__ __forceinline__ static type min() { return 0; }; 00196 __device__ __forceinline__ static type max() { return ULONG_MAX; }; 00197 __device__ __forceinline__ static type epsilon(); 00198 __device__ __forceinline__ static type round_error(); 00199 __device__ __forceinline__ static type denorm_min(); 00200 __device__ __forceinline__ static type infinity(); 00201 __device__ __forceinline__ static type quiet_NaN(); 00202 __device__ __forceinline__ static type signaling_NaN(); 00203 static const bool is_signed = false; 00204 }; 00205 00206 template<> struct numeric_limits<float> 00207 { 00208 typedef float type; 00209 __device__ __forceinline__ static type min() { return 1.175494351e-38f/*FLT_MIN*/; }; 00210 __device__ __forceinline__ static type max() { return 3.402823466e+38f/*FLT_MAX*/; }; 00211 __device__ __forceinline__ static type epsilon() { return 1.192092896e-07f/*FLT_EPSILON*/; }; 00212 __device__ __forceinline__ static type round_error(); 00213 __device__ __forceinline__ static type denorm_min(); 00214 __device__ __forceinline__ static type infinity(); 00215 __device__ __forceinline__ static type quiet_NaN(); 00216 __device__ __forceinline__ static type signaling_NaN(); 00217 static const bool is_signed = true; 00218 }; 00219 00220 template<> struct numeric_limits<double> 00221 { 00222 typedef double type; 00223 __device__ __forceinline__ static type min() { return 2.2250738585072014e-308/*DBL_MIN*/; }; 00224 __device__ __forceinline__ static type max() { return 1.7976931348623158e+308/*DBL_MAX*/; }; 00225 __device__ __forceinline__ static type epsilon(); 00226 __device__ __forceinline__ static type round_error(); 00227 __device__ __forceinline__ static type denorm_min(); 00228 __device__ __forceinline__ static type infinity(); 00229 __device__ __forceinline__ static type quiet_NaN(); 00230 __device__ __forceinline__ static type signaling_NaN(); 00231 static const bool is_signed = true; 00232 }; 00233 }}} // namespace cv { namespace gpu { namespace device { 00234 00235 #endif // __OPENCV_GPU_LIMITS_GPU_HPP__