27 lines
471 B
C
27 lines
471 B
C
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#include <math/software_float.h>
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/* A float = FLOAT_SIGN * FLOAT_MANTISSA * (2 ^ FLOAT_EXPONENT) */
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soft_float32_t decode_float(uint32_t raw)
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{
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soft_float32_t f;
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f.sign = (raw >> 31) & 1;
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f.exponent = (raw >> 23) & 0xFF;
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f.mantissa = raw & 0x7FFFFF;
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return f;
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}
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soft_float64_t decode_double(uint64_t raw)
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{
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soft_float64_t d;
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d.sign = (raw >> 63) & 1;
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d.exponent = (raw >> 52) & 0x7FF;
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d.mantissa = raw & 0xFFFFFFFFFFFFF;
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return d;
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}
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