annotate gcc/config/floatunsidf.c @ 22:0eb6cac880f0
add cbc example of quicksort.
| author |
kent <kent@cr.ie.u-ryukyu.ac.jp> |
| date |
Tue, 13 Oct 2009 17:15:58 +0900 |
| parents |
a06113de4d67 |
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line source |
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0
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1 /* Public domain. */
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2 typedef int SItype __attribute__ ((mode (SI)));
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3 typedef unsigned int USItype __attribute__ ((mode (SI)));
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4 typedef float DFtype __attribute__ ((mode (DF)));
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5
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6 DFtype
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7 __floatunsidf (USItype u)
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8 {
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9 SItype s = (SItype) u;
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10 DFtype r = (DFtype) s;
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11 if (s < 0)
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12 r += (DFtype)2.0 * (DFtype) ((USItype) 1
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13 << (sizeof (USItype) * __CHAR_BIT__ - 1));
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14 return r;
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15 }
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