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# Copyright (C) 2002-2004, 2006-2018 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
ldexpl_test = '''
#include <math.h>
extern
#ifdef __cplusplus
"C"
#endif
#if !defined (_MSC_VER) || defined (TEST_LDEXPL_DECL)
long double ldexpl (long double, int);
#endif
int main()
{
int result = 0;
{
volatile long double x = 1.0;
volatile long double y = ldexpl (x, -1);
if (y != 0.5L)
result |= 1;
}
{
volatile long double x = 1.73205L;
volatile long double y = ldexpl (x, 0);
if (y != x)
result |= 2;
}
return result;
}
'''
if meson.can_run_host_binaries()
run_result = cc.run(ldexpl_test,
name : 'ldexpl works',
dependencies : [libm])
gl_cv_func_ldexpl_works = run_result.compiled() and run_result.returncode() == 0
else
if host_system.startswith ('aix')
gl_cv_func_ldexpl_works = false
elif host_system == 'windows'
gl_cv_func_ldexpl_works = true
else
gl_cv_func_ldexpl_works = true
endif
endif
ldexpl_test_decl = '''
#define TEST_LDEXPL_DECL 1
''' + ldexpl_test
build_result = cc.compiles(ldexpl_test_decl,
name : 'ldexpl prototype can be re-listed')
gl_cv_func_ldexpl_decl = build_result
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