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/* Implementation details */
#include <math.h>
#include <complex.h>
#if __STDC_VERSION__ >= 20110101L
#define __tg(fn, x) _Generic((x), long double: fn##l, \
float: fn##f, \
default: fn)(x)
#else
#define __tg(fn, x) (sizeof(x) == sizeof(long double) ? fn##l(x) : \
(sizeof(x) == sizeof(float) ? fn##f(x) : \
fn(x)))
#endif
#define cos(x) __tg(cos, x)
/*c 99:??;tgmath.h c*/
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