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- #include <features.h>
- #undef __USE_EXTERN_INLINES
- #include <math.h>
- #include "math_private.h"
- int
- __signbit (double x)
- {
- int32_t hx;
- GET_HIGH_WORD (hx, x);
- return hx & 0x80000000;
- }
- libm_hidden_def(__signbit)
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