source:
asp3_tinet_ecnl_arm/trunk/musl-1.1.18/src/math/copysignf.c@
377
Last change on this file since 377 was 352, checked in by , 6 years ago | |
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File size: 186 bytes |
Rev | Line | |
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[352] | 1 | #include <math.h> |
2 | #include <stdint.h> | |
3 | ||
4 | float copysignf(float x, float y) | |
5 | { | |
6 | union {float f; uint32_t i;} ux={x}, uy={y}; | |
7 | ux.i &= 0x7fffffff; | |
8 | ux.i |= uy.i & 0x80000000; | |
9 | return ux.f; | |
10 | } |
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