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19 lines
486 B
C
19 lines
486 B
C
/* Public domain. */
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typedef int SItype __attribute__ ((mode (SI)));
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typedef unsigned int USItype __attribute__ ((mode (SI)));
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typedef float SFtype __attribute__ ((mode (SF)));
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SFtype
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__floatunsisf (USItype u)
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{
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SItype s = (SItype) u;
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if (s < 0)
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{
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/* As in expand_float, compute (u & 1) | (u >> 1) to ensure
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correct rounding if a nonzero bit is shifted out. */
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return (SFtype) 2.0 * (SFtype) (SItype) ((u & 1) | (u >> 1));
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}
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else
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return (SFtype) s;
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}
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