float __c2_crealf (c2_cfloat_decl (z)) { return c2_cfloat_real (z); }
float __c2_cabsf (c2_cfloat_decl (z)) { return __hypotf (c2_cfloat_real (z), c2_cfloat_imag (z)); }
float __c2_cargf (c2_cfloat_decl (x)) { return __atan2f (c2_cfloat_imag (x), c2_cfloat_real (x)); }