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| Rev | Author | Line No. | Line |
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| 535 | cejka | 1 | /* |
| 2 | * Copyright (C) 2005 Josef Cejka |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | #include<softfloat.h> |
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| 647 | cejka | 30 | #include<sftypes.h> |
| 31 | #include<arithmetic.h> |
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| 32 | #include<conversion.h> |
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| 33 | #include<comparison.h> |
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| 34 | #include<other.h> |
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| 535 | cejka | 35 | |
| 647 | cejka | 36 | /* Arithmetic functions */ |
| 542 | cejka | 37 | |
| 38 | float __addsf3(float a, float b) |
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| 39 | { |
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| 40 | float32 fa, fb; |
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| 563 | cejka | 41 | fa.f=a; |
| 42 | fb.f=b; |
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| 647 | cejka | 43 | if (fa.parts.sign!=fb.parts.sign) { |
| 44 | if (fa.parts.sign) { |
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| 45 | fa.parts.sign=0; |
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| 46 | return subFloat32(fb,fa).f; |
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| 47 | }; |
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| 48 | fb.parts.sign=0; |
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| 49 | return subFloat32(fa,fb).f; |
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| 50 | } |
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| 563 | cejka | 51 | return addFloat32(fa,fb).f; |
| 542 | cejka | 52 | }; |
| 53 | |||
| 54 | float __subsf3(float a, float b) |
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| 55 | { |
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| 56 | float32 fa, fb; |
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| 563 | cejka | 57 | fa.f=a; |
| 58 | fb.f=b; |
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| 647 | cejka | 59 | if (fa.parts.sign!=fb.parts.sign) { |
| 60 | fb.parts.sign!=fb.parts.sign; |
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| 61 | return addFloat32(fa,fb).f; |
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| 62 | } |
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| 563 | cejka | 63 | return subFloat32(fa,fb).f; |
| 542 | cejka | 64 | }; |
| 65 | |||
| 66 | float __negsf2(float a) |
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| 67 | { |
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| 68 | float32 fa; |
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| 69 | fa.f=a; |
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| 70 | fa.parts.sign=!fa.parts.sign; |
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| 71 | return fa.f; |
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| 72 | }; |
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| 73 | |||
| 74 | double __negdf2(double a) |
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| 75 | { |
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| 76 | float64 fa; |
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| 563 | cejka | 77 | fa.d=a; |
| 542 | cejka | 78 | fa.parts.sign=!fa.parts.sign; |
| 563 | cejka | 79 | return fa.d; |
| 542 | cejka | 80 | }; |
| 81 | |||
| 647 | cejka | 82 | /* Conversion functions */ |
| 542 | cejka | 83 | |
| 647 | cejka | 84 | /* Comparison functions */ |
| 542 | cejka | 85 | |
| 647 | cejka | 86 | /* Other functions */ |
| 542 | cejka | 87 |