root / fpu / softfloat-native.h @ b1d8e52e
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1 | 158142c2 | bellard | /* Native implementation of soft float functions */
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2 | 158142c2 | bellard | #include <math.h> |
3 | 38cfa06c | bellard | |
4 | 38cfa06c | bellard | #if (defined(_BSD) && !defined(__APPLE__)) || defined(HOST_SOLARIS)
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5 | 158142c2 | bellard | #include <ieeefp.h> |
6 | 38cfa06c | bellard | #define fabsf(f) ((float)fabs(f)) |
7 | 158142c2 | bellard | #else
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8 | 158142c2 | bellard | #include <fenv.h> |
9 | 158142c2 | bellard | #endif
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10 | 38cfa06c | bellard | |
11 | 7c2a9d09 | blueswir1 | #ifdef __OpenBSD__
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12 | 7c2a9d09 | blueswir1 | /* Get OpenBSD version number */
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13 | 7c2a9d09 | blueswir1 | #include <sys/param.h> |
14 | 7c2a9d09 | blueswir1 | #endif
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15 | 7c2a9d09 | blueswir1 | |
16 | 38cfa06c | bellard | /*
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17 | 38cfa06c | bellard | * Define some C99-7.12.3 classification macros and
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18 | 38cfa06c | bellard | * some C99-.12.4 for Solaris systems OS less than 10,
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19 | 38cfa06c | bellard | * or Solaris 10 systems running GCC 3.x or less.
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20 | 38cfa06c | bellard | * Solaris 10 with GCC4 does not need these macros as they
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21 | 38cfa06c | bellard | * are defined in <iso/math_c99.h> with a compiler directive
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22 | 38cfa06c | bellard | */
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23 | 128ab2ff | blueswir1 | #if defined(HOST_SOLARIS) && (( HOST_SOLARIS <= 9 ) || ((HOST_SOLARIS >= 10) \ |
24 | 128ab2ff | blueswir1 | && (__GNUC__ <= 4))) \
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25 | 7c2a9d09 | blueswir1 | || (defined(__OpenBSD__) && (OpenBSD < 200811))
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26 | 38cfa06c | bellard | /*
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27 | 38cfa06c | bellard | * C99 7.12.3 classification macros
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28 | 38cfa06c | bellard | * and
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29 | 38cfa06c | bellard | * C99 7.12.14 comparison macros
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30 | 38cfa06c | bellard | *
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31 | 38cfa06c | bellard | * ... do not work on Solaris 10 using GNU CC 3.4.x.
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32 | 38cfa06c | bellard | * Try to workaround the missing / broken C99 math macros.
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33 | 38cfa06c | bellard | */
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34 | 128ab2ff | blueswir1 | #if defined(__OpenBSD__)
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35 | 128ab2ff | blueswir1 | #define unordered(x, y) (isnan(x) || isnan(y))
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36 | 128ab2ff | blueswir1 | #endif
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37 | 38cfa06c | bellard | |
38 | 38cfa06c | bellard | #define isnormal(x) (fpclass(x) >= FP_NZERO)
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39 | 38cfa06c | bellard | #define isgreater(x, y) ((!unordered(x, y)) && ((x) > (y)))
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40 | 38cfa06c | bellard | #define isgreaterequal(x, y) ((!unordered(x, y)) && ((x) >= (y)))
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41 | 38cfa06c | bellard | #define isless(x, y) ((!unordered(x, y)) && ((x) < (y)))
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42 | 38cfa06c | bellard | #define islessequal(x, y) ((!unordered(x, y)) && ((x) <= (y)))
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43 | 38cfa06c | bellard | #define isunordered(x,y) unordered(x, y)
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44 | ec530c81 | bellard | #endif
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45 | 158142c2 | bellard | |
46 | c94655b0 | ths | #if defined(__sun__) && !defined(NEED_LIBSUNMATH)
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47 | c94655b0 | ths | |
48 | c94655b0 | ths | #ifndef isnan
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49 | c94655b0 | ths | # define isnan(x) \
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50 | c94655b0 | ths | (sizeof (x) == sizeof (long double) ? isnan_ld (x) \ |
51 | c94655b0 | ths | : sizeof (x) == sizeof (double) ? isnan_d (x) \ |
52 | c94655b0 | ths | : isnan_f (x)) |
53 | c94655b0 | ths | static inline int isnan_f (float x) { return x != x; } |
54 | c94655b0 | ths | static inline int isnan_d (double x) { return x != x; } |
55 | c94655b0 | ths | static inline int isnan_ld (long double x) { return x != x; } |
56 | c94655b0 | ths | #endif
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57 | c94655b0 | ths | |
58 | c94655b0 | ths | #ifndef isinf
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59 | c94655b0 | ths | # define isinf(x) \
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60 | c94655b0 | ths | (sizeof (x) == sizeof (long double) ? isinf_ld (x) \ |
61 | c94655b0 | ths | : sizeof (x) == sizeof (double) ? isinf_d (x) \ |
62 | c94655b0 | ths | : isinf_f (x)) |
63 | c94655b0 | ths | static inline int isinf_f (float x) { return isnan (x - x); } |
64 | c94655b0 | ths | static inline int isinf_d (double x) { return isnan (x - x); } |
65 | c94655b0 | ths | static inline int isinf_ld (long double x) { return isnan (x - x); } |
66 | c94655b0 | ths | #endif
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67 | c94655b0 | ths | #endif
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68 | c94655b0 | ths | |
69 | 158142c2 | bellard | typedef float float32; |
70 | 158142c2 | bellard | typedef double float64; |
71 | 158142c2 | bellard | #ifdef FLOATX80
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72 | 158142c2 | bellard | typedef long double floatx80; |
73 | 158142c2 | bellard | #endif
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74 | 158142c2 | bellard | |
75 | 158142c2 | bellard | typedef union { |
76 | 158142c2 | bellard | float32 f; |
77 | 158142c2 | bellard | uint32_t i; |
78 | 158142c2 | bellard | } float32u; |
79 | 158142c2 | bellard | typedef union { |
80 | 158142c2 | bellard | float64 f; |
81 | 158142c2 | bellard | uint64_t i; |
82 | 158142c2 | bellard | } float64u; |
83 | 158142c2 | bellard | #ifdef FLOATX80
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84 | 158142c2 | bellard | typedef union { |
85 | 158142c2 | bellard | floatx80 f; |
86 | 158142c2 | bellard | struct {
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87 | 158142c2 | bellard | uint64_t low; |
88 | 158142c2 | bellard | uint16_t high; |
89 | 158142c2 | bellard | } i; |
90 | 158142c2 | bellard | } floatx80u; |
91 | 158142c2 | bellard | #endif
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92 | 158142c2 | bellard | |
93 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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94 | 158142c2 | bellard | | Software IEC/IEEE floating-point rounding mode.
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95 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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96 | 38cfa06c | bellard | #if (defined(_BSD) && !defined(__APPLE__)) || defined(HOST_SOLARIS)
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97 | 128ab2ff | blueswir1 | #if defined(__OpenBSD__)
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98 | 128ab2ff | blueswir1 | #define FE_RM FP_RM
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99 | 128ab2ff | blueswir1 | #define FE_RP FP_RP
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100 | 128ab2ff | blueswir1 | #define FE_RZ FP_RZ
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101 | 128ab2ff | blueswir1 | #endif
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102 | 158142c2 | bellard | enum {
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103 | 158142c2 | bellard | float_round_nearest_even = FP_RN, |
104 | 7918bf47 | pbrook | float_round_down = FP_RM, |
105 | 7918bf47 | pbrook | float_round_up = FP_RP, |
106 | 7918bf47 | pbrook | float_round_to_zero = FP_RZ |
107 | 158142c2 | bellard | }; |
108 | 158142c2 | bellard | #elif defined(__arm__)
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109 | 158142c2 | bellard | enum {
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110 | 158142c2 | bellard | float_round_nearest_even = 0,
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111 | 158142c2 | bellard | float_round_down = 1,
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112 | 158142c2 | bellard | float_round_up = 2,
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113 | 158142c2 | bellard | float_round_to_zero = 3
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114 | 158142c2 | bellard | }; |
115 | 158142c2 | bellard | #else
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116 | 158142c2 | bellard | enum {
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117 | 158142c2 | bellard | float_round_nearest_even = FE_TONEAREST, |
118 | 158142c2 | bellard | float_round_down = FE_DOWNWARD, |
119 | 158142c2 | bellard | float_round_up = FE_UPWARD, |
120 | 158142c2 | bellard | float_round_to_zero = FE_TOWARDZERO |
121 | 158142c2 | bellard | }; |
122 | 158142c2 | bellard | #endif
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123 | 158142c2 | bellard | |
124 | 158142c2 | bellard | typedef struct float_status { |
125 | 158142c2 | bellard | signed char float_rounding_mode; |
126 | 158142c2 | bellard | #ifdef FLOATX80
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127 | 158142c2 | bellard | signed char floatx80_rounding_precision; |
128 | 158142c2 | bellard | #endif
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129 | 158142c2 | bellard | } float_status; |
130 | 158142c2 | bellard | |
131 | 158142c2 | bellard | void set_float_rounding_mode(int val STATUS_PARAM); |
132 | 158142c2 | bellard | #ifdef FLOATX80
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133 | 158142c2 | bellard | void set_floatx80_rounding_precision(int val STATUS_PARAM); |
134 | 158142c2 | bellard | #endif
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135 | 158142c2 | bellard | |
136 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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137 | 158142c2 | bellard | | Software IEC/IEEE integer-to-floating-point conversion routines.
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138 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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139 | 158142c2 | bellard | float32 int32_to_float32( int STATUS_PARAM);
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140 | 75d62a58 | j_mayer | float32 uint32_to_float32( unsigned int STATUS_PARAM); |
141 | 158142c2 | bellard | float64 int32_to_float64( int STATUS_PARAM);
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142 | 75d62a58 | j_mayer | float64 uint32_to_float64( unsigned int STATUS_PARAM); |
143 | 158142c2 | bellard | #ifdef FLOATX80
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144 | 158142c2 | bellard | floatx80 int32_to_floatx80( int STATUS_PARAM);
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145 | 158142c2 | bellard | #endif
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146 | 158142c2 | bellard | #ifdef FLOAT128
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147 | 158142c2 | bellard | float128 int32_to_float128( int STATUS_PARAM);
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148 | 158142c2 | bellard | #endif
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149 | 158142c2 | bellard | float32 int64_to_float32( int64_t STATUS_PARAM); |
150 | 75d62a58 | j_mayer | float32 uint64_to_float32( uint64_t STATUS_PARAM); |
151 | 158142c2 | bellard | float64 int64_to_float64( int64_t STATUS_PARAM); |
152 | 75d62a58 | j_mayer | float64 uint64_to_float64( uint64_t v STATUS_PARAM); |
153 | 158142c2 | bellard | #ifdef FLOATX80
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154 | 158142c2 | bellard | floatx80 int64_to_floatx80( int64_t STATUS_PARAM); |
155 | 158142c2 | bellard | #endif
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156 | 158142c2 | bellard | #ifdef FLOAT128
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157 | 158142c2 | bellard | float128 int64_to_float128( int64_t STATUS_PARAM); |
158 | 158142c2 | bellard | #endif
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159 | 158142c2 | bellard | |
160 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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161 | 158142c2 | bellard | | Software IEC/IEEE single-precision conversion routines.
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162 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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163 | 158142c2 | bellard | int float32_to_int32( float32 STATUS_PARAM);
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164 | 158142c2 | bellard | int float32_to_int32_round_to_zero( float32 STATUS_PARAM);
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165 | 75d62a58 | j_mayer | unsigned int float32_to_uint32( float32 a STATUS_PARAM); |
166 | 75d62a58 | j_mayer | unsigned int float32_to_uint32_round_to_zero( float32 a STATUS_PARAM); |
167 | 158142c2 | bellard | int64_t float32_to_int64( float32 STATUS_PARAM); |
168 | 158142c2 | bellard | int64_t float32_to_int64_round_to_zero( float32 STATUS_PARAM); |
169 | 158142c2 | bellard | float64 float32_to_float64( float32 STATUS_PARAM); |
170 | 158142c2 | bellard | #ifdef FLOATX80
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171 | 158142c2 | bellard | floatx80 float32_to_floatx80( float32 STATUS_PARAM); |
172 | 158142c2 | bellard | #endif
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173 | 158142c2 | bellard | #ifdef FLOAT128
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174 | 158142c2 | bellard | float128 float32_to_float128( float32 STATUS_PARAM); |
175 | 158142c2 | bellard | #endif
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176 | 158142c2 | bellard | |
177 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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178 | 158142c2 | bellard | | Software IEC/IEEE single-precision operations.
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179 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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180 | 158142c2 | bellard | float32 float32_round_to_int( float32 STATUS_PARAM); |
181 | 158142c2 | bellard | INLINE float32 float32_add( float32 a, float32 b STATUS_PARAM) |
182 | 158142c2 | bellard | { |
183 | 158142c2 | bellard | return a + b;
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184 | 158142c2 | bellard | } |
185 | 158142c2 | bellard | INLINE float32 float32_sub( float32 a, float32 b STATUS_PARAM) |
186 | 158142c2 | bellard | { |
187 | 158142c2 | bellard | return a - b;
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188 | 158142c2 | bellard | } |
189 | 158142c2 | bellard | INLINE float32 float32_mul( float32 a, float32 b STATUS_PARAM) |
190 | 158142c2 | bellard | { |
191 | 158142c2 | bellard | return a * b;
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192 | 158142c2 | bellard | } |
193 | 158142c2 | bellard | INLINE float32 float32_div( float32 a, float32 b STATUS_PARAM) |
194 | 158142c2 | bellard | { |
195 | 158142c2 | bellard | return a / b;
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196 | 158142c2 | bellard | } |
197 | 158142c2 | bellard | float32 float32_rem( float32, float32 STATUS_PARAM); |
198 | 158142c2 | bellard | float32 float32_sqrt( float32 STATUS_PARAM); |
199 | 750afe93 | bellard | INLINE int float32_eq( float32 a, float32 b STATUS_PARAM)
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200 | 158142c2 | bellard | { |
201 | 158142c2 | bellard | return a == b;
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202 | 158142c2 | bellard | } |
203 | 750afe93 | bellard | INLINE int float32_le( float32 a, float32 b STATUS_PARAM)
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204 | 158142c2 | bellard | { |
205 | 158142c2 | bellard | return a <= b;
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206 | 158142c2 | bellard | } |
207 | 750afe93 | bellard | INLINE int float32_lt( float32 a, float32 b STATUS_PARAM)
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208 | 158142c2 | bellard | { |
209 | 158142c2 | bellard | return a < b;
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210 | 158142c2 | bellard | } |
211 | 750afe93 | bellard | INLINE int float32_eq_signaling( float32 a, float32 b STATUS_PARAM)
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212 | 158142c2 | bellard | { |
213 | b109f9f8 | bellard | return a <= b && a >= b;
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214 | 158142c2 | bellard | } |
215 | 750afe93 | bellard | INLINE int float32_le_quiet( float32 a, float32 b STATUS_PARAM)
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216 | 158142c2 | bellard | { |
217 | 158142c2 | bellard | return islessequal(a, b);
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218 | 158142c2 | bellard | } |
219 | 750afe93 | bellard | INLINE int float32_lt_quiet( float32 a, float32 b STATUS_PARAM)
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220 | 158142c2 | bellard | { |
221 | 158142c2 | bellard | return isless(a, b);
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222 | 158142c2 | bellard | } |
223 | 750afe93 | bellard | INLINE int float32_unordered( float32 a, float32 b STATUS_PARAM)
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224 | b109f9f8 | bellard | { |
225 | b109f9f8 | bellard | return isunordered(a, b);
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226 | b109f9f8 | bellard | |
227 | b109f9f8 | bellard | } |
228 | 750afe93 | bellard | int float32_compare( float32, float32 STATUS_PARAM );
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229 | 750afe93 | bellard | int float32_compare_quiet( float32, float32 STATUS_PARAM );
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230 | 750afe93 | bellard | int float32_is_signaling_nan( float32 );
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231 | 158142c2 | bellard | |
232 | 158142c2 | bellard | INLINE float32 float32_abs(float32 a) |
233 | 158142c2 | bellard | { |
234 | 158142c2 | bellard | return fabsf(a);
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235 | 158142c2 | bellard | } |
236 | 158142c2 | bellard | |
237 | 158142c2 | bellard | INLINE float32 float32_chs(float32 a) |
238 | 158142c2 | bellard | { |
239 | 158142c2 | bellard | return -a;
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240 | 158142c2 | bellard | } |
241 | 158142c2 | bellard | |
242 | 9ee6e8bb | pbrook | INLINE float32 float32_scalbn(float32 a, int n)
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243 | 9ee6e8bb | pbrook | { |
244 | 9ee6e8bb | pbrook | return scalbnf(a, n);
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245 | 9ee6e8bb | pbrook | } |
246 | 9ee6e8bb | pbrook | |
247 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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248 | 158142c2 | bellard | | Software IEC/IEEE double-precision conversion routines.
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249 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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250 | 158142c2 | bellard | int float64_to_int32( float64 STATUS_PARAM );
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251 | 158142c2 | bellard | int float64_to_int32_round_to_zero( float64 STATUS_PARAM );
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252 | 75d62a58 | j_mayer | unsigned int float64_to_uint32( float64 STATUS_PARAM ); |
253 | 75d62a58 | j_mayer | unsigned int float64_to_uint32_round_to_zero( float64 STATUS_PARAM ); |
254 | 158142c2 | bellard | int64_t float64_to_int64( float64 STATUS_PARAM ); |
255 | 158142c2 | bellard | int64_t float64_to_int64_round_to_zero( float64 STATUS_PARAM ); |
256 | 75d62a58 | j_mayer | uint64_t float64_to_uint64( float64 STATUS_PARAM ); |
257 | 75d62a58 | j_mayer | uint64_t float64_to_uint64_round_to_zero( float64 STATUS_PARAM ); |
258 | 158142c2 | bellard | float32 float64_to_float32( float64 STATUS_PARAM ); |
259 | 158142c2 | bellard | #ifdef FLOATX80
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260 | 158142c2 | bellard | floatx80 float64_to_floatx80( float64 STATUS_PARAM ); |
261 | 158142c2 | bellard | #endif
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262 | 158142c2 | bellard | #ifdef FLOAT128
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263 | 158142c2 | bellard | float128 float64_to_float128( float64 STATUS_PARAM ); |
264 | 158142c2 | bellard | #endif
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265 | 158142c2 | bellard | |
266 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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267 | 158142c2 | bellard | | Software IEC/IEEE double-precision operations.
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268 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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269 | 158142c2 | bellard | float64 float64_round_to_int( float64 STATUS_PARAM ); |
270 | e6e5906b | pbrook | float64 float64_trunc_to_int( float64 STATUS_PARAM ); |
271 | 158142c2 | bellard | INLINE float64 float64_add( float64 a, float64 b STATUS_PARAM) |
272 | 158142c2 | bellard | { |
273 | 158142c2 | bellard | return a + b;
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274 | 158142c2 | bellard | } |
275 | 158142c2 | bellard | INLINE float64 float64_sub( float64 a, float64 b STATUS_PARAM) |
276 | 158142c2 | bellard | { |
277 | 158142c2 | bellard | return a - b;
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278 | 158142c2 | bellard | } |
279 | 158142c2 | bellard | INLINE float64 float64_mul( float64 a, float64 b STATUS_PARAM) |
280 | 158142c2 | bellard | { |
281 | 158142c2 | bellard | return a * b;
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282 | 158142c2 | bellard | } |
283 | 158142c2 | bellard | INLINE float64 float64_div( float64 a, float64 b STATUS_PARAM) |
284 | 158142c2 | bellard | { |
285 | 158142c2 | bellard | return a / b;
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286 | 158142c2 | bellard | } |
287 | 158142c2 | bellard | float64 float64_rem( float64, float64 STATUS_PARAM ); |
288 | 158142c2 | bellard | float64 float64_sqrt( float64 STATUS_PARAM ); |
289 | 750afe93 | bellard | INLINE int float64_eq( float64 a, float64 b STATUS_PARAM)
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290 | 158142c2 | bellard | { |
291 | 158142c2 | bellard | return a == b;
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292 | 158142c2 | bellard | } |
293 | 750afe93 | bellard | INLINE int float64_le( float64 a, float64 b STATUS_PARAM)
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294 | 158142c2 | bellard | { |
295 | 158142c2 | bellard | return a <= b;
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296 | 158142c2 | bellard | } |
297 | 750afe93 | bellard | INLINE int float64_lt( float64 a, float64 b STATUS_PARAM)
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298 | 158142c2 | bellard | { |
299 | 158142c2 | bellard | return a < b;
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300 | 158142c2 | bellard | } |
301 | 750afe93 | bellard | INLINE int float64_eq_signaling( float64 a, float64 b STATUS_PARAM)
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302 | 158142c2 | bellard | { |
303 | b109f9f8 | bellard | return a <= b && a >= b;
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304 | 158142c2 | bellard | } |
305 | 750afe93 | bellard | INLINE int float64_le_quiet( float64 a, float64 b STATUS_PARAM)
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306 | 158142c2 | bellard | { |
307 | 158142c2 | bellard | return islessequal(a, b);
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308 | 158142c2 | bellard | } |
309 | 750afe93 | bellard | INLINE int float64_lt_quiet( float64 a, float64 b STATUS_PARAM)
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310 | 158142c2 | bellard | { |
311 | 158142c2 | bellard | return isless(a, b);
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312 | 158142c2 | bellard | |
313 | 158142c2 | bellard | } |
314 | 750afe93 | bellard | INLINE int float64_unordered( float64 a, float64 b STATUS_PARAM)
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315 | b109f9f8 | bellard | { |
316 | b109f9f8 | bellard | return isunordered(a, b);
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317 | b109f9f8 | bellard | |
318 | b109f9f8 | bellard | } |
319 | 750afe93 | bellard | int float64_compare( float64, float64 STATUS_PARAM );
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320 | 750afe93 | bellard | int float64_compare_quiet( float64, float64 STATUS_PARAM );
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321 | 750afe93 | bellard | int float64_is_signaling_nan( float64 );
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322 | 750afe93 | bellard | int float64_is_nan( float64 );
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323 | 158142c2 | bellard | |
324 | 158142c2 | bellard | INLINE float64 float64_abs(float64 a) |
325 | 158142c2 | bellard | { |
326 | 158142c2 | bellard | return fabs(a);
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327 | 158142c2 | bellard | } |
328 | 158142c2 | bellard | |
329 | 158142c2 | bellard | INLINE float64 float64_chs(float64 a) |
330 | 158142c2 | bellard | { |
331 | 158142c2 | bellard | return -a;
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332 | 158142c2 | bellard | } |
333 | 158142c2 | bellard | |
334 | 9ee6e8bb | pbrook | INLINE float64 float64_scalbn(float64 a, int n)
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335 | 9ee6e8bb | pbrook | { |
336 | 9ee6e8bb | pbrook | return scalbn(a, n);
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337 | 9ee6e8bb | pbrook | } |
338 | 9ee6e8bb | pbrook | |
339 | 158142c2 | bellard | #ifdef FLOATX80
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340 | 158142c2 | bellard | |
341 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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342 | 158142c2 | bellard | | Software IEC/IEEE extended double-precision conversion routines.
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343 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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344 | 158142c2 | bellard | int floatx80_to_int32( floatx80 STATUS_PARAM );
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345 | 158142c2 | bellard | int floatx80_to_int32_round_to_zero( floatx80 STATUS_PARAM );
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346 | 158142c2 | bellard | int64_t floatx80_to_int64( floatx80 STATUS_PARAM); |
347 | 158142c2 | bellard | int64_t floatx80_to_int64_round_to_zero( floatx80 STATUS_PARAM); |
348 | 158142c2 | bellard | float32 floatx80_to_float32( floatx80 STATUS_PARAM ); |
349 | 158142c2 | bellard | float64 floatx80_to_float64( floatx80 STATUS_PARAM ); |
350 | 158142c2 | bellard | #ifdef FLOAT128
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351 | 158142c2 | bellard | float128 floatx80_to_float128( floatx80 STATUS_PARAM ); |
352 | 158142c2 | bellard | #endif
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353 | 158142c2 | bellard | |
354 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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355 | 158142c2 | bellard | | Software IEC/IEEE extended double-precision operations.
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356 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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357 | 158142c2 | bellard | floatx80 floatx80_round_to_int( floatx80 STATUS_PARAM ); |
358 | 158142c2 | bellard | INLINE floatx80 floatx80_add( floatx80 a, floatx80 b STATUS_PARAM) |
359 | 158142c2 | bellard | { |
360 | 158142c2 | bellard | return a + b;
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361 | 158142c2 | bellard | } |
362 | 158142c2 | bellard | INLINE floatx80 floatx80_sub( floatx80 a, floatx80 b STATUS_PARAM) |
363 | 158142c2 | bellard | { |
364 | 158142c2 | bellard | return a - b;
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365 | 158142c2 | bellard | } |
366 | 158142c2 | bellard | INLINE floatx80 floatx80_mul( floatx80 a, floatx80 b STATUS_PARAM) |
367 | 158142c2 | bellard | { |
368 | 158142c2 | bellard | return a * b;
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369 | 158142c2 | bellard | } |
370 | 158142c2 | bellard | INLINE floatx80 floatx80_div( floatx80 a, floatx80 b STATUS_PARAM) |
371 | 158142c2 | bellard | { |
372 | 158142c2 | bellard | return a / b;
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373 | 158142c2 | bellard | } |
374 | 158142c2 | bellard | floatx80 floatx80_rem( floatx80, floatx80 STATUS_PARAM ); |
375 | 158142c2 | bellard | floatx80 floatx80_sqrt( floatx80 STATUS_PARAM ); |
376 | 750afe93 | bellard | INLINE int floatx80_eq( floatx80 a, floatx80 b STATUS_PARAM)
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377 | 158142c2 | bellard | { |
378 | 158142c2 | bellard | return a == b;
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379 | 158142c2 | bellard | } |
380 | 750afe93 | bellard | INLINE int floatx80_le( floatx80 a, floatx80 b STATUS_PARAM)
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381 | 158142c2 | bellard | { |
382 | 158142c2 | bellard | return a <= b;
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383 | 158142c2 | bellard | } |
384 | 750afe93 | bellard | INLINE int floatx80_lt( floatx80 a, floatx80 b STATUS_PARAM)
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385 | 158142c2 | bellard | { |
386 | 158142c2 | bellard | return a < b;
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387 | 158142c2 | bellard | } |
388 | 750afe93 | bellard | INLINE int floatx80_eq_signaling( floatx80 a, floatx80 b STATUS_PARAM)
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389 | 158142c2 | bellard | { |
390 | b109f9f8 | bellard | return a <= b && a >= b;
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391 | 158142c2 | bellard | } |
392 | 750afe93 | bellard | INLINE int floatx80_le_quiet( floatx80 a, floatx80 b STATUS_PARAM)
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393 | 158142c2 | bellard | { |
394 | 158142c2 | bellard | return islessequal(a, b);
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395 | 158142c2 | bellard | } |
396 | 750afe93 | bellard | INLINE int floatx80_lt_quiet( floatx80 a, floatx80 b STATUS_PARAM)
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397 | 158142c2 | bellard | { |
398 | 158142c2 | bellard | return isless(a, b);
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399 | 158142c2 | bellard | |
400 | 158142c2 | bellard | } |
401 | 750afe93 | bellard | INLINE int floatx80_unordered( floatx80 a, floatx80 b STATUS_PARAM)
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402 | b109f9f8 | bellard | { |
403 | b109f9f8 | bellard | return isunordered(a, b);
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404 | b109f9f8 | bellard | |
405 | b109f9f8 | bellard | } |
406 | 750afe93 | bellard | int floatx80_compare( floatx80, floatx80 STATUS_PARAM );
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407 | 750afe93 | bellard | int floatx80_compare_quiet( floatx80, floatx80 STATUS_PARAM );
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408 | 750afe93 | bellard | int floatx80_is_signaling_nan( floatx80 );
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409 | 158142c2 | bellard | |
410 | 158142c2 | bellard | INLINE floatx80 floatx80_abs(floatx80 a) |
411 | 158142c2 | bellard | { |
412 | 158142c2 | bellard | return fabsl(a);
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413 | 158142c2 | bellard | } |
414 | 158142c2 | bellard | |
415 | 158142c2 | bellard | INLINE floatx80 floatx80_chs(floatx80 a) |
416 | 158142c2 | bellard | { |
417 | 158142c2 | bellard | return -a;
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418 | 158142c2 | bellard | } |
419 | 9ee6e8bb | pbrook | |
420 | 9ee6e8bb | pbrook | INLINE floatx80 floatx80_scalbn(floatx80 a, int n)
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421 | 9ee6e8bb | pbrook | { |
422 | 9ee6e8bb | pbrook | return scalbnl(a, n);
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423 | 9ee6e8bb | pbrook | } |
424 | 9ee6e8bb | pbrook | |
425 | 158142c2 | bellard | #endif |