xref: /aosp_15_r20/external/musl/src/math/__signbitl.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker #include "libm.h"
2*c9945492SAndroid Build Coastguard Worker 
3*c9945492SAndroid Build Coastguard Worker #if (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
__signbitl(long double x)4*c9945492SAndroid Build Coastguard Worker int __signbitl(long double x)
5*c9945492SAndroid Build Coastguard Worker {
6*c9945492SAndroid Build Coastguard Worker 	union ldshape u = {x};
7*c9945492SAndroid Build Coastguard Worker 	return u.i.se >> 15;
8*c9945492SAndroid Build Coastguard Worker }
9*c9945492SAndroid Build Coastguard Worker #elif LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
__signbitl(long double x)10*c9945492SAndroid Build Coastguard Worker int __signbitl(long double x)
11*c9945492SAndroid Build Coastguard Worker {
12*c9945492SAndroid Build Coastguard Worker 	return __signbit(x);
13*c9945492SAndroid Build Coastguard Worker }
14*c9945492SAndroid Build Coastguard Worker #endif
15