// filename:c2011-6-5-1-1-ex.c
// original examples and/or notes:
// 		(c) ISO/IEC JTC1 SC22 WG14 N1570, April 12, 2011
// http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
// 			C2011 6.5.1.1 Generic selection
// compile and output mechanism:
// 		(c) Ogawa Kiyoshi, kaizen@gifu-u.ac.jp, December.xx, 2013
// compile errors and/or wornings:
// 1	(c) Apple LLVM version 4.2 (clang-425.0.27) (based on LLVM 3.2svn)
// 			Target: x86_64-apple-darwin11.4.2 //Thread model: posix
// 		(c) LLVM 2003-2009 University of Illinois at Urbana-Champaign.
// 2    gcc-4.9 (GCC) 4.9.0 20131229 (experimental)
//      Copyright (C) 2013 Free Software Foundation, Inc.
#include <stdio.h>

int cbrt(int i){ return i;}
long double cbrtl(long double ld){return ld;}
float cbrtf(float f){return f;}

#define cbrt(X) _Generic((X), \
long double: cbrtl, \
default: cbrt, \
float: cbrtf \
)(X)


int main(void){
return printf("6.5.1.1 Generic selection %d \n",cbrt(3));
}
// 1. warning GCC 4.9
// c2011-6-5-1-1-ex.c:10:5: warning: conflicting types for built-in function 'cbrt' [enabled by default]
// int cbrt(int i){ return i;}
//     ^
// output LLVM 3.2 & GCC 4.9
// 6.5.1.1 Generic selection 3