source:
asp3_tinet_ecnl_rx/trunk/musl-1.1.18/src/math/copysignf.c@
351
Last change on this file since 351 was 337, checked in by , 6 years ago | |
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File size: 186 bytes |
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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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