fn atanpi_gen_impl<Q: Fn(f64, f64, f64) -> f64, F: Fn(f64, f64, f64) -> f64, DdMul: Fn(DoubleDouble, DoubleDouble) -> DoubleDouble, AtanpiSmall: Fn(f64) -> f64>(
x: f64,
fma: Q,
dd_fma: F,
dd_mul: DdMul,
atanpi_small: AtanpiSmall,
) -> f64Expand description
fma - fma dd_fma - mandatory fma fallback