source:
asp3_tinet_ecnl_rx/trunk/musl-1.1.18/src/math/__signbit.c@
403
Last change on this file since 403 was 337, checked in by , 6 years ago | |
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File size: 141 bytes |
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1 | #include "libm.h" |
2 | |
3 | // FIXME: macro in math.h |
4 | int __signbit(double x) |
5 | { |
6 | union { |
7 | double d; |
8 | uint64_t i; |
9 | } y = { x }; |
10 | return y.i>>63; |
11 | } |
12 | |
13 |
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