# fabs.m4 serial 1 dnl Copyright (C) 2011-2019 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_FABS], [ dnl Determine FABS_LIBM. gl_MATHFUNC([fabs], [double], [(double)]) ])