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81 | 81 | ||
82 | /* Conversion functions */ |
82 | /* Conversion functions */ |
83 | 83 | ||
84 | /* Comparison functions */ |
84 | /* Comparison functions */ |
85 | 85 | ||
- | 86 | /* a<b .. -1 |
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- | 87 | * a=b .. 0 |
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- | 88 | * a>b .. 1 |
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- | 89 | * */ |
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- | 90 | ||
- | 91 | int __cmpsf2(double a, double b) |
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- | 92 | { |
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- | 93 | float32 fa,fb; |
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- | 94 | fa.f=a; |
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- | 95 | fb.f=b; |
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- | 96 | if ((isFloat32NaN(fa))||(isFloat32NaN(fb))) { |
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- | 97 | return 1; /* no special constant for unordered - maybe signaled? */ |
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- | 98 | }; |
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- | 99 | ||
- | 100 | ||
- | 101 | if (isFloat32eq(fa,fb)) { |
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- | 102 | return 0; |
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- | 103 | }; |
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- | 104 | ||
- | 105 | if (isFloat32lt(fa,fb)) { |
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- | 106 | return -1; |
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- | 107 | }; |
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- | 108 | return 1; |
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- | 109 | } |
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- | 110 | ||
- | 111 | int __unordsf2(float a, float b) |
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- | 112 | { |
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- | 113 | float32 fa,fb; |
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- | 114 | fa.f=a; |
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- | 115 | fb.f=b; |
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- | 116 | return ((isFloat32NaN(fa))||(isFloat32NaN(fb))); |
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- | 117 | }; |
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- | 118 | ||
- | 119 | /** |
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- | 120 | * @return zero, if neither argument is a NaN and are equal |
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- | 121 | * */ |
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- | 122 | int __eqsf2(float a, float b) |
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- | 123 | { |
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- | 124 | float32 fa,fb; |
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- | 125 | fa.f=a; |
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- | 126 | fb.f=b; |
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- | 127 | if ((isFloat32NaN(fa))||(isFloat32NaN(fb))) { |
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- | 128 | /* TODO: sigNaNs*/ |
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- | 129 | return 1; |
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- | 130 | }; |
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- | 131 | return isFloat32eq(fa,fb)-1; |
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- | 132 | }; |
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- | 133 | ||
- | 134 | /* strange behavior, but it was in gcc documentation */ |
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- | 135 | int __nesf2(float a, float b) |
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- | 136 | { |
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- | 137 | return __eqsf2(a,b); |
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- | 138 | }; |
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86 | /* Other functions */ |
139 | /* Other functions */ |
87 | 140 |