Mercurial > hg > CbC > CbC_gcc
view gcc/config/floatunsidf.c @ 34:5f3bba7b355c
add loto6.c
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
---|---|
date | Tue, 22 Dec 2009 20:46:05 +0900 |
parents | a06113de4d67 |
children |
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/* Public domain. */ typedef int SItype __attribute__ ((mode (SI))); typedef unsigned int USItype __attribute__ ((mode (SI))); typedef float DFtype __attribute__ ((mode (DF))); DFtype __floatunsidf (USItype u) { SItype s = (SItype) u; DFtype r = (DFtype) s; if (s < 0) r += (DFtype)2.0 * (DFtype) ((USItype) 1 << (sizeof (USItype) * __CHAR_BIT__ - 1)); return r; }