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#ifdef HAVE_FMA4_SUPPORT
# include <init-arch.h>
# include <math.h>
extern double __atan_sse2 (double);
extern double __atan_fma4 (double);
libm_ifunc (atan, HAS_FMA4 ? __atan_fma4 : __atan_sse2);
# define atan __atan_sse2
#endif
#include <sysdeps/ieee754/dbl-64/s_atan.c>
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