| tgmath.h | 607 __tg_copysign(float __x, float __y) {return copysignf(__x, __y);} function 611 __tg_copysign(double __x, double __y) {return copysign(__x, __y);} function 615 __tg_copysign(long double __x, long double __y) {return copysignl(__x, __y);} function 618 #define copysign(__x, __y) __tg_copysign(__tg_promote2((__x), (__y))(__x), \
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