1 /* Native implementation of soft float functions */
3 #if defined(_BSD) && !defined(__APPLE__)
6 #if !defined(_PRESOLARIS10)
10 #include "gnu-c99-math.h"
12 typedef float float32;
13 typedef double float64;
15 typedef long double floatx80;
36 /*----------------------------------------------------------------------------
37 | Software IEC/IEEE floating-point rounding mode.
38 *----------------------------------------------------------------------------*/
39 #if defined(_BSD) && !defined(__APPLE__)
41 float_round_nearest_even = FP_RN,
42 float_round_down = FE_RM,
43 float_round_up = FE_RP,
44 float_round_to_zero = FE_RZ
46 #elif defined(__arm__)
48 float_round_nearest_even = 0,
51 float_round_to_zero = 3
55 float_round_nearest_even = FE_TONEAREST,
56 float_round_down = FE_DOWNWARD,
57 float_round_up = FE_UPWARD,
58 float_round_to_zero = FE_TOWARDZERO
62 typedef struct float_status {
63 signed char float_rounding_mode;
65 signed char floatx80_rounding_precision;
69 void set_float_rounding_mode(int val STATUS_PARAM);
71 void set_floatx80_rounding_precision(int val STATUS_PARAM);
74 /*----------------------------------------------------------------------------
75 | Software IEC/IEEE integer-to-floating-point conversion routines.
76 *----------------------------------------------------------------------------*/
77 float32 int32_to_float32( int STATUS_PARAM);
78 float64 int32_to_float64( int STATUS_PARAM);
80 floatx80 int32_to_floatx80( int STATUS_PARAM);
83 float128 int32_to_float128( int STATUS_PARAM);
85 float32 int64_to_float32( int64_t STATUS_PARAM);
86 float64 int64_to_float64( int64_t STATUS_PARAM);
88 floatx80 int64_to_floatx80( int64_t STATUS_PARAM);
91 float128 int64_to_float128( int64_t STATUS_PARAM);
94 /*----------------------------------------------------------------------------
95 | Software IEC/IEEE single-precision conversion routines.
96 *----------------------------------------------------------------------------*/
97 int float32_to_int32( float32 STATUS_PARAM);
98 int float32_to_int32_round_to_zero( float32 STATUS_PARAM);
99 int64_t float32_to_int64( float32 STATUS_PARAM);
100 int64_t float32_to_int64_round_to_zero( float32 STATUS_PARAM);
101 float64 float32_to_float64( float32 STATUS_PARAM);
103 floatx80 float32_to_floatx80( float32 STATUS_PARAM);
106 float128 float32_to_float128( float32 STATUS_PARAM);
109 /*----------------------------------------------------------------------------
110 | Software IEC/IEEE single-precision operations.
111 *----------------------------------------------------------------------------*/
112 float32 float32_round_to_int( float32 STATUS_PARAM);
113 INLINE float32 float32_add( float32 a, float32 b STATUS_PARAM)
117 INLINE float32 float32_sub( float32 a, float32 b STATUS_PARAM)
121 INLINE float32 float32_mul( float32 a, float32 b STATUS_PARAM)
125 INLINE float32 float32_div( float32 a, float32 b STATUS_PARAM)
129 float32 float32_rem( float32, float32 STATUS_PARAM);
130 float32 float32_sqrt( float32 STATUS_PARAM);
131 INLINE char float32_eq( float32 a, float32 b STATUS_PARAM)
135 INLINE char float32_le( float32 a, float32 b STATUS_PARAM)
139 INLINE char float32_lt( float32 a, float32 b STATUS_PARAM)
143 INLINE char float32_eq_signaling( float32 a, float32 b STATUS_PARAM)
145 return a <= b && a >= b;
147 INLINE char float32_le_quiet( float32 a, float32 b STATUS_PARAM)
149 return islessequal(a, b);
151 INLINE char float32_lt_quiet( float32 a, float32 b STATUS_PARAM)
155 INLINE char float32_unordered( float32 a, float32 b STATUS_PARAM)
157 return isunordered(a, b);
160 char float32_compare( float32, float32 STATUS_PARAM );
161 char float32_compare_quiet( float32, float32 STATUS_PARAM );
162 char float32_is_signaling_nan( float32 );
164 INLINE float32 float32_abs(float32 a)
169 INLINE float32 float32_chs(float32 a)
174 /*----------------------------------------------------------------------------
175 | Software IEC/IEEE double-precision conversion routines.
176 *----------------------------------------------------------------------------*/
177 int float64_to_int32( float64 STATUS_PARAM );
178 int float64_to_int32_round_to_zero( float64 STATUS_PARAM );
179 int64_t float64_to_int64( float64 STATUS_PARAM );
180 int64_t float64_to_int64_round_to_zero( float64 STATUS_PARAM );
181 float32 float64_to_float32( float64 STATUS_PARAM );
183 floatx80 float64_to_floatx80( float64 STATUS_PARAM );
186 float128 float64_to_float128( float64 STATUS_PARAM );
189 /*----------------------------------------------------------------------------
190 | Software IEC/IEEE double-precision operations.
191 *----------------------------------------------------------------------------*/
192 float64 float64_round_to_int( float64 STATUS_PARAM );
193 INLINE float64 float64_add( float64 a, float64 b STATUS_PARAM)
197 INLINE float64 float64_sub( float64 a, float64 b STATUS_PARAM)
201 INLINE float64 float64_mul( float64 a, float64 b STATUS_PARAM)
205 INLINE float64 float64_div( float64 a, float64 b STATUS_PARAM)
209 float64 float64_rem( float64, float64 STATUS_PARAM );
210 float64 float64_sqrt( float64 STATUS_PARAM );
211 INLINE char float64_eq( float64 a, float64 b STATUS_PARAM)
215 INLINE char float64_le( float64 a, float64 b STATUS_PARAM)
219 INLINE char float64_lt( float64 a, float64 b STATUS_PARAM)
223 INLINE char float64_eq_signaling( float64 a, float64 b STATUS_PARAM)
225 return a <= b && a >= b;
227 INLINE char float64_le_quiet( float64 a, float64 b STATUS_PARAM)
229 return islessequal(a, b);
231 INLINE char float64_lt_quiet( float64 a, float64 b STATUS_PARAM)
236 INLINE char float64_unordered( float64 a, float64 b STATUS_PARAM)
238 return isunordered(a, b);
241 char float64_compare( float64, float64 STATUS_PARAM );
242 char float64_compare_quiet( float64, float64 STATUS_PARAM );
243 char float64_is_signaling_nan( float64 );
245 INLINE float64 float64_abs(float64 a)
250 INLINE float64 float64_chs(float64 a)
257 /*----------------------------------------------------------------------------
258 | Software IEC/IEEE extended double-precision conversion routines.
259 *----------------------------------------------------------------------------*/
260 int floatx80_to_int32( floatx80 STATUS_PARAM );
261 int floatx80_to_int32_round_to_zero( floatx80 STATUS_PARAM );
262 int64_t floatx80_to_int64( floatx80 STATUS_PARAM);
263 int64_t floatx80_to_int64_round_to_zero( floatx80 STATUS_PARAM);
264 float32 floatx80_to_float32( floatx80 STATUS_PARAM );
265 float64 floatx80_to_float64( floatx80 STATUS_PARAM );
267 float128 floatx80_to_float128( floatx80 STATUS_PARAM );
270 /*----------------------------------------------------------------------------
271 | Software IEC/IEEE extended double-precision operations.
272 *----------------------------------------------------------------------------*/
273 floatx80 floatx80_round_to_int( floatx80 STATUS_PARAM );
274 INLINE floatx80 floatx80_add( floatx80 a, floatx80 b STATUS_PARAM)
278 INLINE floatx80 floatx80_sub( floatx80 a, floatx80 b STATUS_PARAM)
282 INLINE floatx80 floatx80_mul( floatx80 a, floatx80 b STATUS_PARAM)
286 INLINE floatx80 floatx80_div( floatx80 a, floatx80 b STATUS_PARAM)
290 floatx80 floatx80_rem( floatx80, floatx80 STATUS_PARAM );
291 floatx80 floatx80_sqrt( floatx80 STATUS_PARAM );
292 INLINE char floatx80_eq( floatx80 a, floatx80 b STATUS_PARAM)
296 INLINE char floatx80_le( floatx80 a, floatx80 b STATUS_PARAM)
300 INLINE char floatx80_lt( floatx80 a, floatx80 b STATUS_PARAM)
304 INLINE char floatx80_eq_signaling( floatx80 a, floatx80 b STATUS_PARAM)
306 return a <= b && a >= b;
308 INLINE char floatx80_le_quiet( floatx80 a, floatx80 b STATUS_PARAM)
310 return islessequal(a, b);
312 INLINE char floatx80_lt_quiet( floatx80 a, floatx80 b STATUS_PARAM)
317 INLINE char floatx80_unordered( floatx80 a, floatx80 b STATUS_PARAM)
319 return isunordered(a, b);
322 char floatx80_compare( floatx80, floatx80 STATUS_PARAM );
323 char floatx80_compare_quiet( floatx80, floatx80 STATUS_PARAM );
324 char floatx80_is_signaling_nan( floatx80 );
326 INLINE floatx80 floatx80_abs(floatx80 a)
331 INLINE floatx80 floatx80_chs(floatx80 a)