29,6 → 29,7 |
#include "sftypes.h" |
#include "conversion.h" |
#include "comparison.h" |
#include "common.h" |
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float64 convertFloat32ToFloat64(float32 a) |
{ |
386,3 → 387,73 |
} |
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/** Convert unsigned integer to float32 |
* |
* |
*/ |
float32 uint32_to_float32(__u32 i) |
{ |
int counter; |
__s32 exp; |
float32 result; |
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result.parts.sign = 0; |
result.parts.fraction = 0; |
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counter = countZeroes32(i); |
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exp = FLOAT32_BIAS + 32 - counter - 1; |
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if (counter == 32) { |
result.binary = 0; |
return result; |
} |
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if (counter > 0) { |
i <<= counter - 1; |
} else { |
i >>= 1; |
} |
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roundFloat32(&exp, &i); |
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result.parts.fraction = i >> 7; |
result.parts.exp = exp; |
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return result; |
} |
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float32 int32_to_float32(__s32 i) |
{ |
float32 result; |
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if (i < 0) { |
result = uint32_to_float32((__u32)(-i)); |
} else { |
result = uint32_to_float32((__u32)i); |
} |
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result.parts.sign = i < 0; |
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return result; |
} |
|
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float32 uint64_to_float32(__u64 i) |
{ |
} |
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float32 int64_to_float32(__s64 i) |
{ |
float32 result; |
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if (i < 0) { |
result = uint64_to_float32((__u64)(-i)); |
} else { |
result = uint64_to_float32((__u64)i); |
} |
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result.parts.sign = i < 0; |
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return result; |
} |