1 #include <math_ldbl_opt.h>
2 #include <sysdeps/ieee754/dbl-64/s_copysign.c>
3 #if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
4 compat_symbol (libc, __copysign, copysignl, GLIBC_2_0);
5 #endif
6