glibc/math/e_jnl.c

#include <math.h>
#include <stdio.h>
#include <errno.h>
#include <math_private.h>

long double
__ieee754_jnl (int n, long double x)
{
  fputs ("__ieee754_jnl not implemented\n", stderr);
  __set_errno (ENOSYS);
  return 0.0;
}
strong_alias (__ieee754_jnl, __jnl_finite)

stub_warning (jnl)

long double
__ieee754_ynl (int n, long double x)
{
  fputs ("__ieee754_ynl not implemented\n", stderr);
  __set_errno (ENOSYS);
  return 0.0;
}
strong_alias (__ieee754_ynl, __ynl_finite)

stub_warning (ynl)