@node ax_cxx_have_system_v_math @unnumberedsec ax_cxx_have_system_v_math @majorheading Synopsis @smallexample AX_CXX_HAVE_SYSTEM_V_MATH @end smallexample @majorheading Description If the compiler has the double math functions _class, trunc, itrunc, nearest, rsqrt, uitrunc, copysign, drem, finite, and unordered, define HAVE_SYSTEM_V_MATH. @majorheading Source Code Download the @uref{http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=blob_plain;f=m4/ax_cxx_have_system_v_math.m4,latest version of @file{ax_cxx_have_system_v_math.m4}} or browse @uref{http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=history;f=m4/ax_cxx_have_system_v_math.m4,the macro's revision history}. @majorheading License @w{Copyright @copyright{} 2008 Todd Veldhuizen} @* @w{Copyright @copyright{} 2008 Luc Maisonobe @email{luc@@spaceroots.org}} Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without any warranty.