1 /* Native implementation of soft float functions */
3 #if defined(_BSD) && !defined(__APPLE__)
6 #if !defined(_PRESOLARIS10)
11 typedef float float32;
12 typedef double float64;
14 typedef long double floatx80;
35 /*----------------------------------------------------------------------------
36 | Software IEC/IEEE floating-point rounding mode.
37 *----------------------------------------------------------------------------*/
38 #if defined(_BSD) && !defined(__APPLE__)
40 float_round_nearest_even = FP_RN,
41 float_round_down = FP_RM,
42 float_round_up = FP_RP,
43 float_round_to_zero = FP_RZ
45 #elif defined(__arm__)
47 float_round_nearest_even = 0,
50 float_round_to_zero = 3
54 float_round_nearest_even = FE_TONEAREST,
55 float_round_down = FE_DOWNWARD,
56 float_round_up = FE_UPWARD,
57 float_round_to_zero = FE_TOWARDZERO
61 typedef struct float_status {
62 signed char float_rounding_mode;
64 signed char floatx80_rounding_precision;
68 void set_float_rounding_mode(int val STATUS_PARAM);
70 void set_floatx80_rounding_precision(int val STATUS_PARAM);
73 /*----------------------------------------------------------------------------
74 | Software IEC/IEEE integer-to-floating-point conversion routines.
75 *----------------------------------------------------------------------------*/
76 float32 int32_to_float32( int STATUS_PARAM);
77 float64 int32_to_float64( int STATUS_PARAM);
79 floatx80 int32_to_floatx80( int STATUS_PARAM);
82 float128 int32_to_float128( int STATUS_PARAM);
84 float32 int64_to_float32( int64_t STATUS_PARAM);
85 float64 int64_to_float64( int64_t STATUS_PARAM);
87 floatx80 int64_to_floatx80( int64_t STATUS_PARAM);
90 float128 int64_to_float128( int64_t STATUS_PARAM);
93 /*----------------------------------------------------------------------------
94 | Software IEC/IEEE single-precision conversion routines.
95 *----------------------------------------------------------------------------*/
96 int float32_to_int32( float32 STATUS_PARAM);
97 int float32_to_int32_round_to_zero( float32 STATUS_PARAM);
98 int64_t float32_to_int64( float32 STATUS_PARAM);
99 int64_t float32_to_int64_round_to_zero( float32 STATUS_PARAM);
100 float64 float32_to_float64( float32 STATUS_PARAM);
102 floatx80 float32_to_floatx80( float32 STATUS_PARAM);
105 float128 float32_to_float128( float32 STATUS_PARAM);
108 /*----------------------------------------------------------------------------
109 | Software IEC/IEEE single-precision operations.
110 *----------------------------------------------------------------------------*/
111 float32 float32_round_to_int( float32 STATUS_PARAM);
112 INLINE float32 float32_add( float32 a, float32 b STATUS_PARAM)
116 INLINE float32 float32_sub( float32 a, float32 b STATUS_PARAM)
120 INLINE float32 float32_mul( float32 a, float32 b STATUS_PARAM)
124 INLINE float32 float32_div( float32 a, float32 b STATUS_PARAM)
128 float32 float32_rem( float32, float32 STATUS_PARAM);
129 float32 float32_sqrt( float32 STATUS_PARAM);
130 INLINE char float32_eq( float32 a, float32 b STATUS_PARAM)
134 INLINE char float32_le( float32 a, float32 b STATUS_PARAM)
138 INLINE char float32_lt( float32 a, float32 b STATUS_PARAM)
142 INLINE char float32_eq_signaling( float32 a, float32 b STATUS_PARAM)
144 return a <= b && a >= b;
146 INLINE char float32_le_quiet( float32 a, float32 b STATUS_PARAM)
148 return islessequal(a, b);
150 INLINE char float32_lt_quiet( float32 a, float32 b STATUS_PARAM)
154 INLINE char float32_unordered( float32 a, float32 b STATUS_PARAM)
156 return isunordered(a, b);
159 char float32_compare( float32, float32 STATUS_PARAM );
160 char float32_compare_quiet( float32, float32 STATUS_PARAM );
161 char float32_is_signaling_nan( float32 );
163 INLINE float32 float32_abs(float32 a)
168 INLINE float32 float32_chs(float32 a)
173 /*----------------------------------------------------------------------------
174 | Software IEC/IEEE double-precision conversion routines.
175 *----------------------------------------------------------------------------*/
176 int float64_to_int32( float64 STATUS_PARAM );
177 int float64_to_int32_round_to_zero( float64 STATUS_PARAM );
178 int64_t float64_to_int64( float64 STATUS_PARAM );
179 int64_t float64_to_int64_round_to_zero( float64 STATUS_PARAM );
180 float32 float64_to_float32( float64 STATUS_PARAM );
182 floatx80 float64_to_floatx80( float64 STATUS_PARAM );
185 float128 float64_to_float128( float64 STATUS_PARAM );
188 /*----------------------------------------------------------------------------
189 | Software IEC/IEEE double-precision operations.
190 *----------------------------------------------------------------------------*/
191 float64 float64_round_to_int( float64 STATUS_PARAM );
192 INLINE float64 float64_add( float64 a, float64 b STATUS_PARAM)
196 INLINE float64 float64_sub( float64 a, float64 b STATUS_PARAM)
200 INLINE float64 float64_mul( float64 a, float64 b STATUS_PARAM)
204 INLINE float64 float64_div( float64 a, float64 b STATUS_PARAM)
208 float64 float64_rem( float64, float64 STATUS_PARAM );
209 float64 float64_sqrt( float64 STATUS_PARAM );
210 INLINE char float64_eq( float64 a, float64 b STATUS_PARAM)
214 INLINE char float64_le( float64 a, float64 b STATUS_PARAM)
218 INLINE char float64_lt( float64 a, float64 b STATUS_PARAM)
222 INLINE char float64_eq_signaling( float64 a, float64 b STATUS_PARAM)
224 return a <= b && a >= b;
226 INLINE char float64_le_quiet( float64 a, float64 b STATUS_PARAM)
228 return islessequal(a, b);
230 INLINE char float64_lt_quiet( float64 a, float64 b STATUS_PARAM)
235 INLINE char float64_unordered( float64 a, float64 b STATUS_PARAM)
237 return isunordered(a, b);
240 char float64_compare( float64, float64 STATUS_PARAM );
241 char float64_compare_quiet( float64, float64 STATUS_PARAM );
242 char float64_is_signaling_nan( float64 );
244 INLINE float64 float64_abs(float64 a)
249 INLINE float64 float64_chs(float64 a)
256 /*----------------------------------------------------------------------------
257 | Software IEC/IEEE extended double-precision conversion routines.
258 *----------------------------------------------------------------------------*/
259 int floatx80_to_int32( floatx80 STATUS_PARAM );
260 int floatx80_to_int32_round_to_zero( floatx80 STATUS_PARAM );
261 int64_t floatx80_to_int64( floatx80 STATUS_PARAM);
262 int64_t floatx80_to_int64_round_to_zero( floatx80 STATUS_PARAM);
263 float32 floatx80_to_float32( floatx80 STATUS_PARAM );
264 float64 floatx80_to_float64( floatx80 STATUS_PARAM );
266 float128 floatx80_to_float128( floatx80 STATUS_PARAM );
269 /*----------------------------------------------------------------------------
270 | Software IEC/IEEE extended double-precision operations.
271 *----------------------------------------------------------------------------*/
272 floatx80 floatx80_round_to_int( floatx80 STATUS_PARAM );
273 INLINE floatx80 floatx80_add( floatx80 a, floatx80 b STATUS_PARAM)
277 INLINE floatx80 floatx80_sub( floatx80 a, floatx80 b STATUS_PARAM)
281 INLINE floatx80 floatx80_mul( floatx80 a, floatx80 b STATUS_PARAM)
285 INLINE floatx80 floatx80_div( floatx80 a, floatx80 b STATUS_PARAM)
289 floatx80 floatx80_rem( floatx80, floatx80 STATUS_PARAM );
290 floatx80 floatx80_sqrt( floatx80 STATUS_PARAM );
291 INLINE char floatx80_eq( floatx80 a, floatx80 b STATUS_PARAM)
295 INLINE char floatx80_le( floatx80 a, floatx80 b STATUS_PARAM)
299 INLINE char floatx80_lt( floatx80 a, floatx80 b STATUS_PARAM)
303 INLINE char floatx80_eq_signaling( floatx80 a, floatx80 b STATUS_PARAM)
305 return a <= b && a >= b;
307 INLINE char floatx80_le_quiet( floatx80 a, floatx80 b STATUS_PARAM)
309 return islessequal(a, b);
311 INLINE char floatx80_lt_quiet( floatx80 a, floatx80 b STATUS_PARAM)
316 INLINE char floatx80_unordered( floatx80 a, floatx80 b STATUS_PARAM)
318 return isunordered(a, b);
321 char floatx80_compare( floatx80, floatx80 STATUS_PARAM );
322 char floatx80_compare_quiet( floatx80, floatx80 STATUS_PARAM );
323 char floatx80_is_signaling_nan( floatx80 );
325 INLINE floatx80 floatx80_abs(floatx80 a)
330 INLINE floatx80 floatx80_chs(floatx80 a)