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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Josef Cejka |
2 | * Copyright (C) 2005 Josef Cejka |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #ifndef __SOFTFLOAT_H__ |
29 | #ifndef __SOFTFLOAT_H__ |
30 | #define __SOFTFLOAT_H__ |
30 | #define __SOFTFLOAT_H__ |
31 | 31 | ||
32 | 32 | ||
33 | typedef union { |
33 | typedef union { |
34 | float f; |
34 | float f; |
35 | struct { |
35 | struct { |
36 | #ifdef __BIG_ENDIAN__ |
36 | #ifdef __BIG_ENDIAN__ |
37 | __u8 sign:1; |
37 | __u8 sign:1; |
38 | __u8 exp:8; |
38 | __u8 exp:8; |
39 | __u32 mantisa:23; |
39 | __u32 mantisa:23; |
40 | #else |
40 | #else |
41 | #ifdef __LITTLE_ENDIAN__ |
41 | #ifdef __LITTLE_ENDIAN__ |
42 | __u32 mantisa:23; |
42 | __u32 mantisa:23; |
43 | __u8 exp:8; |
43 | __u8 exp:8; |
44 | __u8 sign:1; |
44 | __u8 sign:1; |
45 | #else |
45 | #else |
46 | #endif |
46 | #endif |
47 | } parts __attribute__ ((packed)); |
47 | } parts __attribute__ ((packed)); |
48 | } float32_t; |
48 | } float32_t; |
49 | 49 | ||
50 | typedef union { |
50 | typedef union { |
51 | double d; |
51 | double d; |
52 | struct { |
52 | struct { |
53 | #ifdef __BIG_ENDIAN__ |
53 | #ifdef __BIG_ENDIAN__ |
54 | __u8 sign:1; |
54 | __u8 sign:1; |
55 | __u8 exp:11; |
55 | __u8 exp:11; |
56 | __u32 mantisa:52; |
56 | __u32 mantisa:52; |
57 | #else |
57 | #else |
58 | #ifdef __LITTLE_ENDIAN__ |
58 | #ifdef __LITTLE_ENDIAN__ |
59 | __u32 mantisa:52; |
59 | __u32 mantisa:52; |
60 | __u8 exp:11; |
60 | __u8 exp:11; |
61 | __u8 sign:1; |
61 | __u8 sign:1; |
62 | #else |
62 | #else |
63 | #endif |
63 | #endif |
64 | } parts __attribute__ ((packed)); |
64 | } parts __attribute__ ((packed)); |
65 | } float64_t; |
65 | } float64_t; |
66 | 66 | ||
- | 67 | #define FLOAT32_MAX 0x7f800000 |
|
- | 68 | #define FLOAT32_MIN 0xff800000 |
|
- | 69 | #define FLOAT64_MAX |
|
- | 70 | #define FLOAT64_MIN |
|
- | 71 | ||
- | 72 | #define FLOAT32_BIAS 0xF7 |
|
- | 73 | #define FLOAT64_BIAS 0x3FF |
|
- | 74 | #define FLOAT80_BIAS 0x3FFF |
|
- | 75 | ||
- | 76 | ||
67 | 77 | ||
68 | float __addsf3(float a, float b); |
78 | float __addsf3(float a, float b); |
69 | double __adddf3(double a, double b); |
79 | double __adddf3(double a, double b); |
70 | long double __addtf3(long double a, long double b); |
80 | long double __addtf3(long double a, long double b); |
71 | long double __addxf3(long double a, long double b); |
81 | long double __addxf3(long double a, long double b); |
72 | 82 | ||
73 | float __subsf3(float a, float b); |
83 | float __subsf3(float a, float b); |
74 | double __subdf3(double a, double b); |
84 | double __subdf3(double a, double b); |
75 | long double __subtf3(long double a, long double b); |
85 | long double __subtf3(long double a, long double b); |
76 | long double __subxf3(long double a, long double b); |
86 | long double __subxf3(long double a, long double b); |
77 | 87 | ||
78 | float __mulsf3(float a, float b); |
88 | float __mulsf3(float a, float b); |
79 | double __muldf3(double a, double b); |
89 | double __muldf3(double a, double b); |
80 | long double __multf3(long double a, long double b); |
90 | long double __multf3(long double a, long double b); |
81 | long double __mulxf3(long double a, long double b); |
91 | long double __mulxf3(long double a, long double b); |
82 | 92 | ||
83 | float __divsf3(float a, float b); |
93 | float __divsf3(float a, float b); |
84 | double __divdf3(double a, double b); |
94 | double __divdf3(double a, double b); |
85 | long double __divtf3(long double a, long double b); |
95 | long double __divtf3(long double a, long double b); |
86 | long double __divxf3(long double a, long double b); |
96 | long double __divxf3(long double a, long double b); |
87 | 97 | ||
88 | float __negsf2(float a); |
98 | float __negsf2(float a); |
89 | double __negdf2(double a); |
99 | double __negdf2(double a); |
90 | long double __negtf2(long double a); |
100 | long double __negtf2(long double a); |
91 | long double __negxf2(long double a); |
101 | long double __negxf2(long double a); |
92 | 102 | ||
93 | double __extendsfdf2(float a); |
103 | double __extendsfdf2(float a); |
94 | long double __extendsftf2(float a); |
104 | long double __extendsftf2(float a); |
95 | long double __extendsfxf2(float a); |
105 | long double __extendsfxf2(float a); |
96 | long double __extenddftf2(double a); |
106 | long double __extenddftf2(double a); |
97 | long double __extenddfxf2(double a); |
107 | long double __extenddfxf2(double a); |
98 | 108 | ||
99 | double __truncxfdf2(long double a); |
109 | double __truncxfdf2(long double a); |
100 | double __trunctfdf2(long double a); |
110 | double __trunctfdf2(long double a); |
101 | float __truncxfsf2(long double a); |
111 | float __truncxfsf2(long double a); |
102 | float __trunctfsf2(long double a); |
112 | float __trunctfsf2(long double a); |
103 | float __truncdfsf2(double a); |
113 | float __truncdfsf2(double a); |
104 | 114 | ||
105 | int __fixsfsi(float a); |
115 | int __fixsfsi(float a); |
106 | int __fixdfsi(double a); |
116 | int __fixdfsi(double a); |
107 | int __fixtfsi(long double a); |
117 | int __fixtfsi(long double a); |
108 | int __fixxfsi(long double a); |
118 | int __fixxfsi(long double a); |
109 | 119 | ||
110 | long __fixsfdi(float a); |
120 | long __fixsfdi(float a); |
111 | long __fixdfdi(double a); |
121 | long __fixdfdi(double a); |
112 | long __fixtfdi(long double a); |
122 | long __fixtfdi(long double a); |
113 | long __fixxfdi(long double a); |
123 | long __fixxfdi(long double a); |
114 | 124 | ||
115 | long long __fixsfti(float a); |
125 | long long __fixsfti(float a); |
116 | long long __fixdfti(double a); |
126 | long long __fixdfti(double a); |
117 | long long __fixtfti(long double a); |
127 | long long __fixtfti(long double a); |
118 | long long __fixxfti(long double a); |
128 | long long __fixxfti(long double a); |
119 | 129 | ||
120 | unsigned int __fixunssfsi(float a); |
130 | unsigned int __fixunssfsi(float a); |
121 | unsigned int __fixunsdfsi(double a); |
131 | unsigned int __fixunsdfsi(double a); |
122 | unsigned int __fixunstfsi(long double a); |
132 | unsigned int __fixunstfsi(long double a); |
123 | unsigned int __fixunsxfsi(long double a); |
133 | unsigned int __fixunsxfsi(long double a); |
124 | 134 | ||
125 | unsigned long __fixunssfdi(float a); |
135 | unsigned long __fixunssfdi(float a); |
126 | unsigned long __fixunsdfdi(double a); |
136 | unsigned long __fixunsdfdi(double a); |
127 | unsigned long __fixunstfdi(long double a); |
137 | unsigned long __fixunstfdi(long double a); |
128 | unsigned long __fixunsxfdi(long double a); |
138 | unsigned long __fixunsxfdi(long double a); |
129 | 139 | ||
130 | unsigned long long __fixunssfti(float a); |
140 | unsigned long long __fixunssfti(float a); |
131 | unsigned long long __fixunsdfti(double a); |
141 | unsigned long long __fixunsdfti(double a); |
132 | unsigned long long __fixunstfti(long double a); |
142 | unsigned long long __fixunstfti(long double a); |
133 | unsigned long long __fixunsxfti(long double a); |
143 | unsigned long long __fixunsxfti(long double a); |
134 | 144 | ||
135 | float __floatsisf(int i); |
145 | float __floatsisf(int i); |
136 | double __floatsidf(int i); |
146 | double __floatsidf(int i); |
137 | long double __floatsitf(int i); |
147 | long double __floatsitf(int i); |
138 | long double __floatsixf(int i); |
148 | long double __floatsixf(int i); |
139 | 149 | ||
140 | float __floatdisf(long i); |
150 | float __floatdisf(long i); |
141 | double __floatdidf(long i); |
151 | double __floatdidf(long i); |
142 | long double __floatditf(long i); |
152 | long double __floatditf(long i); |
143 | long double __floatdixf(long i); |
153 | long double __floatdixf(long i); |
144 | 154 | ||
145 | float __floattisf(long long i); |
155 | float __floattisf(long long i); |
146 | double __floattidf(long long i); |
156 | double __floattidf(long long i); |
147 | long double __floattitf(long long i); |
157 | long double __floattitf(long long i); |
148 | long double __floattixf(long long i); |
158 | long double __floattixf(long long i); |
149 | 159 | ||
150 | int __cmpsf2(float a, float b); |
160 | int __cmpsf2(float a, float b); |
151 | int __cmpdf2(double a, double b); |
161 | int __cmpdf2(double a, double b); |
152 | int __cmptf2(long double a, long double b); |
162 | int __cmptf2(long double a, long double b); |
153 | 163 | ||
154 | int __unordsf2(float a, float b); |
164 | int __unordsf2(float a, float b); |
155 | int __unorddf2(double a, double b); |
165 | int __unorddf2(double a, double b); |
156 | int __unordtf2(long double a, long double b); |
166 | int __unordtf2(long double a, long double b); |
157 | 167 | ||
158 | int __eqsf2(float a, float b); |
168 | int __eqsf2(float a, float b); |
159 | int __eqdf2(double a, double b); |
169 | int __eqdf2(double a, double b); |
160 | int __eqtf2(long double a, long double b); |
170 | int __eqtf2(long double a, long double b); |
161 | 171 | ||
162 | int __nesf2(float a, float b); |
172 | int __nesf2(float a, float b); |
163 | int __nedf2(double a, double b); |
173 | int __nedf2(double a, double b); |
164 | int __netf2(long double a, long double b); |
174 | int __netf2(long double a, long double b); |
165 | 175 | ||
166 | int __gesf2(float a, float b); |
176 | int __gesf2(float a, float b); |
167 | int __gedf2(double a, double b); |
177 | int __gedf2(double a, double b); |
168 | int __getf2(long double a, long double b); |
178 | int __getf2(long double a, long double b); |
169 | 179 | ||
170 | int __ltsf2(float a, float b); |
180 | int __ltsf2(float a, float b); |
171 | int __ltdf2(double a, double b); |
181 | int __ltdf2(double a, double b); |
172 | int __lttf2(long double a, long double b); |
182 | int __lttf2(long double a, long double b); |
173 | int __lesf2(float a, float b); |
183 | int __lesf2(float a, float b); |
174 | int __ledf2(double a, double b); |
184 | int __ledf2(double a, double b); |
175 | int __letf2(long double a, long double b); |
185 | int __letf2(long double a, long double b); |
176 | 186 | ||
177 | int __gtsf2(float a, float b); |
187 | int __gtsf2(float a, float b); |
178 | int __gtdf2(double a, double b); |
188 | int __gtdf2(double a, double b); |
179 | int __gttf2(long double a, long double b); |
189 | int __gttf2(long double a, long double b); |
180 | 190 | ||
181 | 191 | ||
182 | #endif |
192 | #endif |
183 | 193 | ||
184 | 194 |