source:
azure_iot_hub/trunk/musl-1.1.18/src/math/__signbit.c@
388
Last change on this file since 388 was 388, checked in by , 5 years ago | |
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File size: 141 bytes |
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[388] | 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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