root / fpu / softfloat-native.h @ 06ea77bc
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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 | a167ba50 | Aurelien Jarno | #if (defined(CONFIG_BSD) && !defined(__APPLE__) && !defined(__GLIBC__)) \
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5 | a167ba50 | Aurelien Jarno | || defined(CONFIG_SOLARIS) |
6 | 158142c2 | bellard | #include <ieeefp.h> |
7 | 38cfa06c | bellard | #define fabsf(f) ((float)fabs(f)) |
8 | 158142c2 | bellard | #else
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9 | 158142c2 | bellard | #include <fenv.h> |
10 | 158142c2 | bellard | #endif
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11 | 38cfa06c | bellard | |
12 | d07cca02 | blueswir1 | #if defined(__OpenBSD__) || defined(__NetBSD__)
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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 | dfe5fff3 | Juan Quintela | #if defined(CONFIG_SOLARIS) && \
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24 | dfe5fff3 | Juan Quintela | ((CONFIG_SOLARIS_VERSION <= 9 ) || \
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25 | be45f068 | Andreas Färber | ((CONFIG_SOLARIS_VERSION == 10) && (__GNUC__ < 4))) \ |
26 | 7c2a9d09 | blueswir1 | || (defined(__OpenBSD__) && (OpenBSD < 200811))
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27 | 38cfa06c | bellard | /*
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28 | 38cfa06c | bellard | * C99 7.12.3 classification macros
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29 | 38cfa06c | bellard | * and
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30 | 38cfa06c | bellard | * C99 7.12.14 comparison macros
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31 | 38cfa06c | bellard | *
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32 | 38cfa06c | bellard | * ... do not work on Solaris 10 using GNU CC 3.4.x.
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33 | 38cfa06c | bellard | * Try to workaround the missing / broken C99 math macros.
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34 | 38cfa06c | bellard | */
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35 | 128ab2ff | blueswir1 | #if defined(__OpenBSD__)
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36 | 128ab2ff | blueswir1 | #define unordered(x, y) (isnan(x) || isnan(y))
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37 | 128ab2ff | blueswir1 | #endif
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38 | 38cfa06c | bellard | |
39 | d07cca02 | blueswir1 | #ifdef __NetBSD__
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40 | d07cca02 | blueswir1 | #ifndef isgreater
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41 | d07cca02 | blueswir1 | #define isgreater(x, y) __builtin_isgreater(x, y)
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42 | d07cca02 | blueswir1 | #endif
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43 | d07cca02 | blueswir1 | #ifndef isgreaterequal
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44 | d07cca02 | blueswir1 | #define isgreaterequal(x, y) __builtin_isgreaterequal(x, y)
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45 | d07cca02 | blueswir1 | #endif
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46 | d07cca02 | blueswir1 | #ifndef isless
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47 | d07cca02 | blueswir1 | #define isless(x, y) __builtin_isless(x, y)
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48 | d07cca02 | blueswir1 | #endif
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49 | d07cca02 | blueswir1 | #ifndef islessequal
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50 | d07cca02 | blueswir1 | #define islessequal(x, y) __builtin_islessequal(x, y)
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51 | d07cca02 | blueswir1 | #endif
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52 | d07cca02 | blueswir1 | #ifndef isunordered
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53 | d07cca02 | blueswir1 | #define isunordered(x, y) __builtin_isunordered(x, y)
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54 | d07cca02 | blueswir1 | #endif
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55 | d07cca02 | blueswir1 | #endif
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56 | d07cca02 | blueswir1 | |
57 | d07cca02 | blueswir1 | |
58 | 38cfa06c | bellard | #define isnormal(x) (fpclass(x) >= FP_NZERO)
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59 | 38cfa06c | bellard | #define isgreater(x, y) ((!unordered(x, y)) && ((x) > (y)))
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60 | 38cfa06c | bellard | #define isgreaterequal(x, y) ((!unordered(x, y)) && ((x) >= (y)))
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61 | 38cfa06c | bellard | #define isless(x, y) ((!unordered(x, y)) && ((x) < (y)))
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62 | 38cfa06c | bellard | #define islessequal(x, y) ((!unordered(x, y)) && ((x) <= (y)))
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63 | 38cfa06c | bellard | #define isunordered(x,y) unordered(x, y)
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64 | ec530c81 | bellard | #endif
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65 | 158142c2 | bellard | |
66 | 75b5a697 | Juan Quintela | #if defined(__sun__) && !defined(CONFIG_NEEDS_LIBSUNMATH)
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67 | c94655b0 | ths | |
68 | c94655b0 | ths | #ifndef isnan
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69 | c94655b0 | ths | # define isnan(x) \
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70 | c94655b0 | ths | (sizeof (x) == sizeof (long double) ? isnan_ld (x) \ |
71 | c94655b0 | ths | : sizeof (x) == sizeof (double) ? isnan_d (x) \ |
72 | c94655b0 | ths | : isnan_f (x)) |
73 | c94655b0 | ths | static inline int isnan_f (float x) { return x != x; } |
74 | c94655b0 | ths | static inline int isnan_d (double x) { return x != x; } |
75 | c94655b0 | ths | static inline int isnan_ld (long double x) { return x != x; } |
76 | c94655b0 | ths | #endif
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77 | c94655b0 | ths | |
78 | c94655b0 | ths | #ifndef isinf
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79 | c94655b0 | ths | # define isinf(x) \
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80 | c94655b0 | ths | (sizeof (x) == sizeof (long double) ? isinf_ld (x) \ |
81 | c94655b0 | ths | : sizeof (x) == sizeof (double) ? isinf_d (x) \ |
82 | c94655b0 | ths | : isinf_f (x)) |
83 | c94655b0 | ths | static inline int isinf_f (float x) { return isnan (x - x); } |
84 | c94655b0 | ths | static inline int isinf_d (double x) { return isnan (x - x); } |
85 | c94655b0 | ths | static inline int isinf_ld (long double x) { return isnan (x - x); } |
86 | c94655b0 | ths | #endif
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87 | c94655b0 | ths | #endif
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88 | c94655b0 | ths | |
89 | 158142c2 | bellard | typedef float float32; |
90 | 158142c2 | bellard | typedef double float64; |
91 | 158142c2 | bellard | #ifdef FLOATX80
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92 | 158142c2 | bellard | typedef long double floatx80; |
93 | 158142c2 | bellard | #endif
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94 | 158142c2 | bellard | |
95 | 158142c2 | bellard | typedef union { |
96 | 158142c2 | bellard | float32 f; |
97 | 158142c2 | bellard | uint32_t i; |
98 | 158142c2 | bellard | } float32u; |
99 | 158142c2 | bellard | typedef union { |
100 | 158142c2 | bellard | float64 f; |
101 | 158142c2 | bellard | uint64_t i; |
102 | 158142c2 | bellard | } float64u; |
103 | 158142c2 | bellard | #ifdef FLOATX80
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104 | 158142c2 | bellard | typedef union { |
105 | 158142c2 | bellard | floatx80 f; |
106 | 158142c2 | bellard | struct {
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107 | 158142c2 | bellard | uint64_t low; |
108 | 158142c2 | bellard | uint16_t high; |
109 | 158142c2 | bellard | } i; |
110 | 158142c2 | bellard | } floatx80u; |
111 | 158142c2 | bellard | #endif
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112 | 158142c2 | bellard | |
113 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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114 | 158142c2 | bellard | | Software IEC/IEEE floating-point rounding mode.
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115 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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116 | a167ba50 | Aurelien Jarno | #if (defined(CONFIG_BSD) && !defined(__APPLE__) && !defined(__GLIBC__)) \
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117 | a167ba50 | Aurelien Jarno | || defined(CONFIG_SOLARIS) |
118 | 128ab2ff | blueswir1 | #if defined(__OpenBSD__)
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119 | 128ab2ff | blueswir1 | #define FE_RM FP_RM
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120 | 128ab2ff | blueswir1 | #define FE_RP FP_RP
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121 | 128ab2ff | blueswir1 | #define FE_RZ FP_RZ
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122 | 128ab2ff | blueswir1 | #endif
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123 | 158142c2 | bellard | enum {
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124 | 158142c2 | bellard | float_round_nearest_even = FP_RN, |
125 | 7918bf47 | pbrook | float_round_down = FP_RM, |
126 | 7918bf47 | pbrook | float_round_up = FP_RP, |
127 | 7918bf47 | pbrook | float_round_to_zero = FP_RZ |
128 | 158142c2 | bellard | }; |
129 | 158142c2 | bellard | #else
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130 | 158142c2 | bellard | enum {
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131 | 158142c2 | bellard | float_round_nearest_even = FE_TONEAREST, |
132 | 158142c2 | bellard | float_round_down = FE_DOWNWARD, |
133 | 158142c2 | bellard | float_round_up = FE_UPWARD, |
134 | 158142c2 | bellard | float_round_to_zero = FE_TOWARDZERO |
135 | 158142c2 | bellard | }; |
136 | 158142c2 | bellard | #endif
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137 | 158142c2 | bellard | |
138 | 158142c2 | bellard | typedef struct float_status { |
139 | e872aa81 | aurel32 | int float_rounding_mode;
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140 | 158142c2 | bellard | #ifdef FLOATX80
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141 | e872aa81 | aurel32 | int floatx80_rounding_precision;
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142 | 158142c2 | bellard | #endif
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143 | 158142c2 | bellard | } float_status; |
144 | 158142c2 | bellard | |
145 | 158142c2 | bellard | void set_float_rounding_mode(int val STATUS_PARAM); |
146 | 158142c2 | bellard | #ifdef FLOATX80
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147 | 158142c2 | bellard | void set_floatx80_rounding_precision(int val STATUS_PARAM); |
148 | 158142c2 | bellard | #endif
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149 | 158142c2 | bellard | |
150 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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151 | 158142c2 | bellard | | Software IEC/IEEE integer-to-floating-point conversion routines.
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152 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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153 | 158142c2 | bellard | float32 int32_to_float32( int STATUS_PARAM);
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154 | 75d62a58 | j_mayer | float32 uint32_to_float32( unsigned int STATUS_PARAM); |
155 | 158142c2 | bellard | float64 int32_to_float64( int STATUS_PARAM);
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156 | 75d62a58 | j_mayer | float64 uint32_to_float64( unsigned int STATUS_PARAM); |
157 | 158142c2 | bellard | #ifdef FLOATX80
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158 | 158142c2 | bellard | floatx80 int32_to_floatx80( int STATUS_PARAM);
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159 | 158142c2 | bellard | #endif
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160 | 158142c2 | bellard | #ifdef FLOAT128
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161 | 158142c2 | bellard | float128 int32_to_float128( int STATUS_PARAM);
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162 | 158142c2 | bellard | #endif
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163 | 158142c2 | bellard | float32 int64_to_float32( int64_t STATUS_PARAM); |
164 | 75d62a58 | j_mayer | float32 uint64_to_float32( uint64_t STATUS_PARAM); |
165 | 158142c2 | bellard | float64 int64_to_float64( int64_t STATUS_PARAM); |
166 | 75d62a58 | j_mayer | float64 uint64_to_float64( uint64_t v STATUS_PARAM); |
167 | 158142c2 | bellard | #ifdef FLOATX80
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168 | 158142c2 | bellard | floatx80 int64_to_floatx80( int64_t STATUS_PARAM); |
169 | 158142c2 | bellard | #endif
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170 | 158142c2 | bellard | #ifdef FLOAT128
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171 | 158142c2 | bellard | float128 int64_to_float128( int64_t STATUS_PARAM); |
172 | 158142c2 | bellard | #endif
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173 | 158142c2 | bellard | |
174 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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175 | d2b1027d | Aurelien Jarno | | Software IEC/IEEE single-precision conversion constants.
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176 | d2b1027d | Aurelien Jarno | *----------------------------------------------------------------------------*/
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177 | d2b1027d | Aurelien Jarno | #define float32_zero (0.0) |
178 | d2b1027d | Aurelien Jarno | #define float32_one (1.0) |
179 | d2b1027d | Aurelien Jarno | #define float32_ln2 (0.6931471) |
180 | d2b1027d | Aurelien Jarno | #define float32_pi (3.1415926) |
181 | d2b1027d | Aurelien Jarno | #define float32_half (0.5) |
182 | d2b1027d | Aurelien Jarno | |
183 | d2b1027d | Aurelien Jarno | /*----------------------------------------------------------------------------
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184 | 158142c2 | bellard | | Software IEC/IEEE single-precision conversion routines.
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185 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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186 | 158142c2 | bellard | int float32_to_int32( float32 STATUS_PARAM);
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187 | 158142c2 | bellard | int float32_to_int32_round_to_zero( float32 STATUS_PARAM);
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188 | 75d62a58 | j_mayer | unsigned int float32_to_uint32( float32 a STATUS_PARAM); |
189 | 75d62a58 | j_mayer | unsigned int float32_to_uint32_round_to_zero( float32 a STATUS_PARAM); |
190 | 158142c2 | bellard | int64_t float32_to_int64( float32 STATUS_PARAM); |
191 | 158142c2 | bellard | int64_t float32_to_int64_round_to_zero( float32 STATUS_PARAM); |
192 | 158142c2 | bellard | float64 float32_to_float64( float32 STATUS_PARAM); |
193 | 158142c2 | bellard | #ifdef FLOATX80
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194 | 158142c2 | bellard | floatx80 float32_to_floatx80( float32 STATUS_PARAM); |
195 | 158142c2 | bellard | #endif
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196 | 158142c2 | bellard | #ifdef FLOAT128
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197 | 158142c2 | bellard | float128 float32_to_float128( float32 STATUS_PARAM); |
198 | 158142c2 | bellard | #endif
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199 | 158142c2 | bellard | |
200 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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201 | 158142c2 | bellard | | Software IEC/IEEE single-precision operations.
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202 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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203 | 158142c2 | bellard | float32 float32_round_to_int( float32 STATUS_PARAM); |
204 | 158142c2 | bellard | INLINE float32 float32_add( float32 a, float32 b STATUS_PARAM) |
205 | 158142c2 | bellard | { |
206 | 158142c2 | bellard | return a + b;
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207 | 158142c2 | bellard | } |
208 | 158142c2 | bellard | INLINE float32 float32_sub( float32 a, float32 b STATUS_PARAM) |
209 | 158142c2 | bellard | { |
210 | 158142c2 | bellard | return a - b;
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211 | 158142c2 | bellard | } |
212 | 158142c2 | bellard | INLINE float32 float32_mul( float32 a, float32 b STATUS_PARAM) |
213 | 158142c2 | bellard | { |
214 | 158142c2 | bellard | return a * b;
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215 | 158142c2 | bellard | } |
216 | 158142c2 | bellard | INLINE float32 float32_div( float32 a, float32 b STATUS_PARAM) |
217 | 158142c2 | bellard | { |
218 | 158142c2 | bellard | return a / b;
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219 | 158142c2 | bellard | } |
220 | 158142c2 | bellard | float32 float32_rem( float32, float32 STATUS_PARAM); |
221 | 158142c2 | bellard | float32 float32_sqrt( float32 STATUS_PARAM); |
222 | 211315fb | Aurelien Jarno | INLINE int float32_eq_quiet( float32 a, float32 b STATUS_PARAM)
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223 | 158142c2 | bellard | { |
224 | 158142c2 | bellard | return a == b;
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225 | 158142c2 | bellard | } |
226 | 750afe93 | bellard | INLINE int float32_le( float32 a, float32 b STATUS_PARAM)
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227 | 158142c2 | bellard | { |
228 | 158142c2 | bellard | return a <= b;
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229 | 158142c2 | bellard | } |
230 | 750afe93 | bellard | INLINE int float32_lt( float32 a, float32 b STATUS_PARAM)
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231 | 158142c2 | bellard | { |
232 | 158142c2 | bellard | return a < b;
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233 | 158142c2 | bellard | } |
234 | 2657d0ff | Aurelien Jarno | INLINE int float32_eq( float32 a, float32 b STATUS_PARAM)
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235 | 158142c2 | bellard | { |
236 | b109f9f8 | bellard | return a <= b && a >= b;
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237 | 158142c2 | bellard | } |
238 | 750afe93 | bellard | INLINE int float32_le_quiet( float32 a, float32 b STATUS_PARAM)
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239 | 158142c2 | bellard | { |
240 | 158142c2 | bellard | return islessequal(a, b);
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241 | 158142c2 | bellard | } |
242 | 750afe93 | bellard | INLINE int float32_lt_quiet( float32 a, float32 b STATUS_PARAM)
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243 | 158142c2 | bellard | { |
244 | 158142c2 | bellard | return isless(a, b);
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245 | 158142c2 | bellard | } |
246 | 750afe93 | bellard | INLINE int float32_unordered( float32 a, float32 b STATUS_PARAM)
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247 | b109f9f8 | bellard | { |
248 | b109f9f8 | bellard | return isunordered(a, b);
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249 | b4a0ef79 | Aurelien Jarno | } |
250 | b4a0ef79 | Aurelien Jarno | INLINE int float32_unordered_quiet( float32 a, float32 b STATUS_PARAM)
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251 | b4a0ef79 | Aurelien Jarno | { |
252 | b4a0ef79 | Aurelien Jarno | return isunordered(a, b);
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253 | b109f9f8 | bellard | } |
254 | 750afe93 | bellard | int float32_compare( float32, float32 STATUS_PARAM );
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255 | 750afe93 | bellard | int float32_compare_quiet( float32, float32 STATUS_PARAM );
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256 | 750afe93 | bellard | int float32_is_signaling_nan( float32 );
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257 | 18569871 | Peter Maydell | int float32_is_quiet_nan( float32 );
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258 | 4cc5383f | Aurelien Jarno | int float32_is_any_nan( float32 );
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259 | 158142c2 | bellard | |
260 | 158142c2 | bellard | INLINE float32 float32_abs(float32 a) |
261 | 158142c2 | bellard | { |
262 | 158142c2 | bellard | return fabsf(a);
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263 | 158142c2 | bellard | } |
264 | 158142c2 | bellard | |
265 | 158142c2 | bellard | INLINE float32 float32_chs(float32 a) |
266 | 158142c2 | bellard | { |
267 | 158142c2 | bellard | return -a;
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268 | 158142c2 | bellard | } |
269 | 158142c2 | bellard | |
270 | c52ab6f5 | aurel32 | INLINE float32 float32_is_infinity(float32 a) |
271 | c52ab6f5 | aurel32 | { |
272 | c52ab6f5 | aurel32 | return fpclassify(a) == FP_INFINITE;
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273 | c52ab6f5 | aurel32 | } |
274 | c52ab6f5 | aurel32 | |
275 | c52ab6f5 | aurel32 | INLINE float32 float32_is_neg(float32 a) |
276 | c52ab6f5 | aurel32 | { |
277 | 8d6c92b6 | aurel32 | float32u u; |
278 | 8d6c92b6 | aurel32 | u.f = a; |
279 | 8d6c92b6 | aurel32 | return u.i >> 31; |
280 | c52ab6f5 | aurel32 | } |
281 | c52ab6f5 | aurel32 | |
282 | c52ab6f5 | aurel32 | INLINE float32 float32_is_zero(float32 a) |
283 | c52ab6f5 | aurel32 | { |
284 | c52ab6f5 | aurel32 | return fpclassify(a) == FP_ZERO;
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285 | c52ab6f5 | aurel32 | } |
286 | c52ab6f5 | aurel32 | |
287 | d6882cf0 | Aurelien Jarno | INLINE float32 float32_scalbn(float32 a, int n STATUS_PARAM)
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288 | 9ee6e8bb | pbrook | { |
289 | 9ee6e8bb | pbrook | return scalbnf(a, n);
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290 | 9ee6e8bb | pbrook | } |
291 | 9ee6e8bb | pbrook | |
292 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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293 | d2b1027d | Aurelien Jarno | | Software IEC/IEEE double-precision conversion constants.
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294 | d2b1027d | Aurelien Jarno | *----------------------------------------------------------------------------*/
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295 | d2b1027d | Aurelien Jarno | #define float64_zero (0.0) |
296 | d2b1027d | Aurelien Jarno | #define float64_one (1.0) |
297 | d2b1027d | Aurelien Jarno | #define float64_ln2 (0.693147180559945) |
298 | d2b1027d | Aurelien Jarno | #define float64_pi (3.141592653589793) |
299 | d2b1027d | Aurelien Jarno | #define float64_half (0.5) |
300 | d2b1027d | Aurelien Jarno | |
301 | d2b1027d | Aurelien Jarno | /*----------------------------------------------------------------------------
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302 | 158142c2 | bellard | | Software IEC/IEEE double-precision conversion routines.
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303 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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304 | 158142c2 | bellard | int float64_to_int32( float64 STATUS_PARAM );
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305 | 158142c2 | bellard | int float64_to_int32_round_to_zero( float64 STATUS_PARAM );
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306 | 75d62a58 | j_mayer | unsigned int float64_to_uint32( float64 STATUS_PARAM ); |
307 | 75d62a58 | j_mayer | unsigned int float64_to_uint32_round_to_zero( float64 STATUS_PARAM ); |
308 | 158142c2 | bellard | int64_t float64_to_int64( float64 STATUS_PARAM ); |
309 | 158142c2 | bellard | int64_t float64_to_int64_round_to_zero( float64 STATUS_PARAM ); |
310 | 75d62a58 | j_mayer | uint64_t float64_to_uint64( float64 STATUS_PARAM ); |
311 | 75d62a58 | j_mayer | uint64_t float64_to_uint64_round_to_zero( float64 STATUS_PARAM ); |
312 | 158142c2 | bellard | float32 float64_to_float32( float64 STATUS_PARAM ); |
313 | 158142c2 | bellard | #ifdef FLOATX80
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314 | 158142c2 | bellard | floatx80 float64_to_floatx80( float64 STATUS_PARAM ); |
315 | 158142c2 | bellard | #endif
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316 | 158142c2 | bellard | #ifdef FLOAT128
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317 | 158142c2 | bellard | float128 float64_to_float128( float64 STATUS_PARAM ); |
318 | 158142c2 | bellard | #endif
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319 | 158142c2 | bellard | |
320 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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321 | 158142c2 | bellard | | Software IEC/IEEE double-precision operations.
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322 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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323 | 158142c2 | bellard | float64 float64_round_to_int( float64 STATUS_PARAM ); |
324 | e6e5906b | pbrook | float64 float64_trunc_to_int( float64 STATUS_PARAM ); |
325 | 158142c2 | bellard | INLINE float64 float64_add( float64 a, float64 b STATUS_PARAM) |
326 | 158142c2 | bellard | { |
327 | 158142c2 | bellard | return a + b;
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328 | 158142c2 | bellard | } |
329 | 158142c2 | bellard | INLINE float64 float64_sub( float64 a, float64 b STATUS_PARAM) |
330 | 158142c2 | bellard | { |
331 | 158142c2 | bellard | return a - b;
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332 | 158142c2 | bellard | } |
333 | 158142c2 | bellard | INLINE float64 float64_mul( float64 a, float64 b STATUS_PARAM) |
334 | 158142c2 | bellard | { |
335 | 158142c2 | bellard | return a * b;
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336 | 158142c2 | bellard | } |
337 | 158142c2 | bellard | INLINE float64 float64_div( float64 a, float64 b STATUS_PARAM) |
338 | 158142c2 | bellard | { |
339 | 158142c2 | bellard | return a / b;
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340 | 158142c2 | bellard | } |
341 | 158142c2 | bellard | float64 float64_rem( float64, float64 STATUS_PARAM ); |
342 | 158142c2 | bellard | float64 float64_sqrt( float64 STATUS_PARAM ); |
343 | 211315fb | Aurelien Jarno | INLINE int float64_eq_quiet( float64 a, float64 b STATUS_PARAM)
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344 | 158142c2 | bellard | { |
345 | 158142c2 | bellard | return a == b;
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346 | 158142c2 | bellard | } |
347 | 750afe93 | bellard | INLINE int float64_le( float64 a, float64 b STATUS_PARAM)
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348 | 158142c2 | bellard | { |
349 | 158142c2 | bellard | return a <= b;
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350 | 158142c2 | bellard | } |
351 | 750afe93 | bellard | INLINE int float64_lt( float64 a, float64 b STATUS_PARAM)
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352 | 158142c2 | bellard | { |
353 | 158142c2 | bellard | return a < b;
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354 | 158142c2 | bellard | } |
355 | 2657d0ff | Aurelien Jarno | INLINE int float64_eq( float64 a, float64 b STATUS_PARAM)
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356 | 158142c2 | bellard | { |
357 | b109f9f8 | bellard | return a <= b && a >= b;
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358 | 158142c2 | bellard | } |
359 | 750afe93 | bellard | INLINE int float64_le_quiet( float64 a, float64 b STATUS_PARAM)
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360 | 158142c2 | bellard | { |
361 | 158142c2 | bellard | return islessequal(a, b);
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362 | 158142c2 | bellard | } |
363 | 750afe93 | bellard | INLINE int float64_lt_quiet( float64 a, float64 b STATUS_PARAM)
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364 | 158142c2 | bellard | { |
365 | 158142c2 | bellard | return isless(a, b);
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366 | 158142c2 | bellard | |
367 | 158142c2 | bellard | } |
368 | 750afe93 | bellard | INLINE int float64_unordered( float64 a, float64 b STATUS_PARAM)
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369 | b109f9f8 | bellard | { |
370 | b109f9f8 | bellard | return isunordered(a, b);
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371 | b4a0ef79 | Aurelien Jarno | } |
372 | b4a0ef79 | Aurelien Jarno | INLINE int float64_unordered_quiet( float64 a, float64 b STATUS_PARAM)
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373 | b4a0ef79 | Aurelien Jarno | { |
374 | b4a0ef79 | Aurelien Jarno | return isunordered(a, b);
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375 | b109f9f8 | bellard | } |
376 | 750afe93 | bellard | int float64_compare( float64, float64 STATUS_PARAM );
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377 | 750afe93 | bellard | int float64_compare_quiet( float64, float64 STATUS_PARAM );
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378 | 750afe93 | bellard | int float64_is_signaling_nan( float64 );
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379 | 4cc5383f | Aurelien Jarno | int float64_is_any_nan( float64 );
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380 | 18569871 | Peter Maydell | int float64_is_quiet_nan( float64 );
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381 | 158142c2 | bellard | |
382 | 158142c2 | bellard | INLINE float64 float64_abs(float64 a) |
383 | 158142c2 | bellard | { |
384 | 158142c2 | bellard | return fabs(a);
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385 | 158142c2 | bellard | } |
386 | 158142c2 | bellard | |
387 | 158142c2 | bellard | INLINE float64 float64_chs(float64 a) |
388 | 158142c2 | bellard | { |
389 | 158142c2 | bellard | return -a;
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390 | 158142c2 | bellard | } |
391 | 158142c2 | bellard | |
392 | c52ab6f5 | aurel32 | INLINE float64 float64_is_infinity(float64 a) |
393 | c52ab6f5 | aurel32 | { |
394 | c52ab6f5 | aurel32 | return fpclassify(a) == FP_INFINITE;
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395 | c52ab6f5 | aurel32 | } |
396 | c52ab6f5 | aurel32 | |
397 | c52ab6f5 | aurel32 | INLINE float64 float64_is_neg(float64 a) |
398 | c52ab6f5 | aurel32 | { |
399 | 8d6c92b6 | aurel32 | float64u u; |
400 | 8d6c92b6 | aurel32 | u.f = a; |
401 | 8d6c92b6 | aurel32 | return u.i >> 63; |
402 | c52ab6f5 | aurel32 | } |
403 | c52ab6f5 | aurel32 | |
404 | c52ab6f5 | aurel32 | INLINE float64 float64_is_zero(float64 a) |
405 | c52ab6f5 | aurel32 | { |
406 | c52ab6f5 | aurel32 | return fpclassify(a) == FP_ZERO;
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407 | c52ab6f5 | aurel32 | } |
408 | c52ab6f5 | aurel32 | |
409 | d6882cf0 | Aurelien Jarno | INLINE float64 float64_scalbn(float64 a, int n STATUS_PARAM)
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410 | 9ee6e8bb | pbrook | { |
411 | 9ee6e8bb | pbrook | return scalbn(a, n);
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412 | 9ee6e8bb | pbrook | } |
413 | 9ee6e8bb | pbrook | |
414 | 158142c2 | bellard | #ifdef FLOATX80
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415 | 158142c2 | bellard | |
416 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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417 | d2b1027d | Aurelien Jarno | | Software IEC/IEEE extended double-precision conversion constants.
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418 | d2b1027d | Aurelien Jarno | *----------------------------------------------------------------------------*/
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419 | d2b1027d | Aurelien Jarno | #define floatx80_zero (0.0L) |
420 | d2b1027d | Aurelien Jarno | #define floatx80_one (1.0L) |
421 | d2b1027d | Aurelien Jarno | #define floatx80_ln2 (0.69314718055994530943L) |
422 | d2b1027d | Aurelien Jarno | #define floatx80_pi (3.14159265358979323851L) |
423 | d2b1027d | Aurelien Jarno | #define floatx80_half (0.5L) |
424 | d2b1027d | Aurelien Jarno | |
425 | d2b1027d | Aurelien Jarno | /*----------------------------------------------------------------------------
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426 | 158142c2 | bellard | | Software IEC/IEEE extended double-precision conversion routines.
|
427 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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428 | 158142c2 | bellard | int floatx80_to_int32( floatx80 STATUS_PARAM );
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429 | 158142c2 | bellard | int floatx80_to_int32_round_to_zero( floatx80 STATUS_PARAM );
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430 | 158142c2 | bellard | int64_t floatx80_to_int64( floatx80 STATUS_PARAM); |
431 | 158142c2 | bellard | int64_t floatx80_to_int64_round_to_zero( floatx80 STATUS_PARAM); |
432 | 158142c2 | bellard | float32 floatx80_to_float32( floatx80 STATUS_PARAM ); |
433 | 158142c2 | bellard | float64 floatx80_to_float64( floatx80 STATUS_PARAM ); |
434 | 158142c2 | bellard | #ifdef FLOAT128
|
435 | 158142c2 | bellard | float128 floatx80_to_float128( floatx80 STATUS_PARAM ); |
436 | 158142c2 | bellard | #endif
|
437 | 158142c2 | bellard | |
438 | 158142c2 | bellard | /*----------------------------------------------------------------------------
|
439 | 158142c2 | bellard | | Software IEC/IEEE extended double-precision operations.
|
440 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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441 | 158142c2 | bellard | floatx80 floatx80_round_to_int( floatx80 STATUS_PARAM ); |
442 | 158142c2 | bellard | INLINE floatx80 floatx80_add( floatx80 a, floatx80 b STATUS_PARAM) |
443 | 158142c2 | bellard | { |
444 | 158142c2 | bellard | return a + b;
|
445 | 158142c2 | bellard | } |
446 | 158142c2 | bellard | INLINE floatx80 floatx80_sub( floatx80 a, floatx80 b STATUS_PARAM) |
447 | 158142c2 | bellard | { |
448 | 158142c2 | bellard | return a - b;
|
449 | 158142c2 | bellard | } |
450 | 158142c2 | bellard | INLINE floatx80 floatx80_mul( floatx80 a, floatx80 b STATUS_PARAM) |
451 | 158142c2 | bellard | { |
452 | 158142c2 | bellard | return a * b;
|
453 | 158142c2 | bellard | } |
454 | 158142c2 | bellard | INLINE floatx80 floatx80_div( floatx80 a, floatx80 b STATUS_PARAM) |
455 | 158142c2 | bellard | { |
456 | 158142c2 | bellard | return a / b;
|
457 | 158142c2 | bellard | } |
458 | 158142c2 | bellard | floatx80 floatx80_rem( floatx80, floatx80 STATUS_PARAM ); |
459 | 158142c2 | bellard | floatx80 floatx80_sqrt( floatx80 STATUS_PARAM ); |
460 | 211315fb | Aurelien Jarno | INLINE int floatx80_eq_quiet( floatx80 a, floatx80 b STATUS_PARAM)
|
461 | 158142c2 | bellard | { |
462 | 158142c2 | bellard | return a == b;
|
463 | 158142c2 | bellard | } |
464 | 750afe93 | bellard | INLINE int floatx80_le( floatx80 a, floatx80 b STATUS_PARAM)
|
465 | 158142c2 | bellard | { |
466 | 158142c2 | bellard | return a <= b;
|
467 | 158142c2 | bellard | } |
468 | 750afe93 | bellard | INLINE int floatx80_lt( floatx80 a, floatx80 b STATUS_PARAM)
|
469 | 158142c2 | bellard | { |
470 | 158142c2 | bellard | return a < b;
|
471 | 158142c2 | bellard | } |
472 | 2657d0ff | Aurelien Jarno | INLINE int floatx80_eq( floatx80 a, floatx80 b STATUS_PARAM)
|
473 | 158142c2 | bellard | { |
474 | b109f9f8 | bellard | return a <= b && a >= b;
|
475 | 158142c2 | bellard | } |
476 | 750afe93 | bellard | INLINE int floatx80_le_quiet( floatx80 a, floatx80 b STATUS_PARAM)
|
477 | 158142c2 | bellard | { |
478 | 158142c2 | bellard | return islessequal(a, b);
|
479 | 158142c2 | bellard | } |
480 | 750afe93 | bellard | INLINE int floatx80_lt_quiet( floatx80 a, floatx80 b STATUS_PARAM)
|
481 | 158142c2 | bellard | { |
482 | 158142c2 | bellard | return isless(a, b);
|
483 | 158142c2 | bellard | |
484 | 158142c2 | bellard | } |
485 | 750afe93 | bellard | INLINE int floatx80_unordered( floatx80 a, floatx80 b STATUS_PARAM)
|
486 | b109f9f8 | bellard | { |
487 | b109f9f8 | bellard | return isunordered(a, b);
|
488 | b4a0ef79 | Aurelien Jarno | } |
489 | b4a0ef79 | Aurelien Jarno | INLINE int floatx80_unordered_quiet( floatx80 a, floatx80 b STATUS_PARAM)
|
490 | b4a0ef79 | Aurelien Jarno | { |
491 | b4a0ef79 | Aurelien Jarno | return isunordered(a, b);
|
492 | b109f9f8 | bellard | } |
493 | 750afe93 | bellard | int floatx80_compare( floatx80, floatx80 STATUS_PARAM );
|
494 | 750afe93 | bellard | int floatx80_compare_quiet( floatx80, floatx80 STATUS_PARAM );
|
495 | 750afe93 | bellard | int floatx80_is_signaling_nan( floatx80 );
|
496 | 18569871 | Peter Maydell | int floatx80_is_quiet_nan( floatx80 );
|
497 | 4cc5383f | Aurelien Jarno | int floatx80_is_any_nan( floatx80 );
|
498 | 158142c2 | bellard | |
499 | 158142c2 | bellard | INLINE floatx80 floatx80_abs(floatx80 a) |
500 | 158142c2 | bellard | { |
501 | 158142c2 | bellard | return fabsl(a);
|
502 | 158142c2 | bellard | } |
503 | 158142c2 | bellard | |
504 | 158142c2 | bellard | INLINE floatx80 floatx80_chs(floatx80 a) |
505 | 158142c2 | bellard | { |
506 | 158142c2 | bellard | return -a;
|
507 | 158142c2 | bellard | } |
508 | 9ee6e8bb | pbrook | |
509 | c52ab6f5 | aurel32 | INLINE floatx80 floatx80_is_infinity(floatx80 a) |
510 | c52ab6f5 | aurel32 | { |
511 | c52ab6f5 | aurel32 | return fpclassify(a) == FP_INFINITE;
|
512 | c52ab6f5 | aurel32 | } |
513 | c52ab6f5 | aurel32 | |
514 | c52ab6f5 | aurel32 | INLINE floatx80 floatx80_is_neg(floatx80 a) |
515 | c52ab6f5 | aurel32 | { |
516 | 8d6c92b6 | aurel32 | floatx80u u; |
517 | 8d6c92b6 | aurel32 | u.f = a; |
518 | 8d6c92b6 | aurel32 | return u.i.high >> 15; |
519 | c52ab6f5 | aurel32 | } |
520 | c52ab6f5 | aurel32 | |
521 | c52ab6f5 | aurel32 | INLINE floatx80 floatx80_is_zero(floatx80 a) |
522 | c52ab6f5 | aurel32 | { |
523 | c52ab6f5 | aurel32 | return fpclassify(a) == FP_ZERO;
|
524 | c52ab6f5 | aurel32 | } |
525 | c52ab6f5 | aurel32 | |
526 | d6882cf0 | Aurelien Jarno | INLINE floatx80 floatx80_scalbn(floatx80 a, int n STATUS_PARAM)
|
527 | 9ee6e8bb | pbrook | { |
528 | 9ee6e8bb | pbrook | return scalbnl(a, n);
|
529 | 9ee6e8bb | pbrook | } |
530 | 9ee6e8bb | pbrook | |
531 | 158142c2 | bellard | #endif |