#!/usr/bin/perl use strict; use warnings; use Inline C => 'DATA'; print "Perl native:\n"; print pack q/d*/, (1.7453026326120991e+194, 1.5156845462257262e-147); print "\n\n"; print "Defined in C function:\n"; print pack q/d*/, ( getx(), gety() ); print "\n"; __DATA__ __C__ double getx () { static double x = 1.7453026326120991e+194; return x; } double gety () { static double y = 1.5156845462257262e-147; return y; }