1 #include <features.h> 2 3 /* shared by acosl, asinl and atan2l */ 4 #define pio2_hi __pio2_hi 5 #define pio2_lo __pio2_lo 6 hidden extern const long double pio2_hi, pio2_lo; 7 8 hidden long double __invtrigl_R(long double z); 9