00001
00033 #ifndef SFMT19937_H
00034 #define SFMT19937_H
00035
00036 #include <stdio.h>
00037
00038 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
00039 #include <inttypes.h>
00040 #elif defined(_MSC_VER)
00041 typedef unsigned int uint32_t;
00042 typedef unsigned long long uint64_t;
00043 #define inline
00044 #else
00045 #include <inttypes.h>
00046 #if defined(__GNUC__)
00047 #define inline __inline__
00048 #else
00049 #define inline
00050 #endif
00051 #endif
00052
00053 #ifndef PRIu64
00054 #if defined(_MSC_VER)
00055 #define PRIu64 "I64u"
00056 #define PRIx64 "I64x"
00057 #else
00058 #define PRIu64 "llu"
00059 #define PRIx64 "llx"
00060 #endif
00061 #endif
00062
00063 inline uint32_t gen_rand32(void);
00064 inline uint64_t gen_rand64(void);
00065 inline void fill_array32(uint32_t array[], int size);
00066 inline void fill_array64(uint64_t array[], int size);
00067 void init_gen_rand(uint32_t seed);
00068 void init_by_array(uint32_t init_key[], int key_length);
00069
00070
00072 inline static double to_real1(uint32_t v)
00073 {
00074 return v * (1.0/4294967295.0);
00075
00076 }
00077
00079 inline static double genrand_real1(void)
00080 {
00081 return to_real1(gen_rand32());
00082 }
00083
00085 inline static double to_real2(uint32_t v)
00086 {
00087 return v * (1.0/4294967296.0);
00088
00089 }
00090
00092 inline static double genrand_real2(void)
00093 {
00094 return to_real2(gen_rand32());
00095 }
00096
00098 inline static double to_real3(uint32_t v)
00099 {
00100 return (((double)v) + 0.5)*(1.0/4294967296.0);
00101
00102 }
00103
00105 inline static double genrand_real3(void)
00106 {
00107 return to_real3(gen_rand32());
00108 }
00112 inline static double to_res53(uint64_t v)
00113 {
00114 return v * (1.0/18446744073709551616.0L);
00115 }
00116
00118 inline static double genrand_res53(void)
00119 {
00120 return to_res53(gen_rand64());
00121 }
00122 #endif