1 #include "libm.h" 2 #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024 3 long double fabsl(long double x) 4 { 5 return fabs(x); 6 } 7 #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384 8 long double fabsl(long double x) 9 { 10 union ldshape u = {x}; 11 12 u.i.se &= 0x7fff; 13 return u.f; 14 } 15 #endif 16