fastnum2/decimal/dec/math/
acos.rs

1use crate::decimal::{
2    dec::math::{asin::asin, consts::Consts, sub::sub},
3    Decimal,
4};
5
6type D<const N: usize> = Decimal<N>;
7
8#[inline]
9pub(crate) const fn acos<const N: usize>(x: D<N>) -> D<N> {
10    sub(Consts::FRAC_PI_2, asin(x))
11}