haar_lib::math::fps::log_sparse

Trait FpsLogSparse

Source 
pub trait FpsLogSparse {
    type Output;

    // Required method
    fn fps_log_sparse(self, n: usize) -> Result<Self::Output, &'static str>;
}
Expand description

疎な形式的冪級数の対数

Required Associated Types§

Source

type Output

戻り値の型

Required Methods§

Source

fn fps_log_sparse(self, n: usize) -> Result<Self::Output, &'static str>

$f(x) = \sum_0^{n-1} a_ix^i$について、$\log f(x)$の先頭$n$項を求める。

Implementors§