dsp: remove unused code, let the compiler decide about inlining

This commit is contained in:
Robert Jördens 2021-02-01 18:37:05 +01:00
parent 5d7266abbc
commit 2a84e3f299
3 changed files with 0 additions and 34 deletions

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@ -12,7 +12,6 @@ impl Accu {
impl Iterator for Accu {
type Item = i32;
#[inline]
fn next(&mut self) -> Option<i32> {
let s = self.state;
self.state = self.state.wrapping_add(self.step);

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@ -14,7 +14,6 @@ impl Complex<i32> {
/// Complex::<i32>::from_angle(1 << 30); // pi/2
/// Complex::<i32>::from_angle(-1 << 30); // -pi/2
/// ```
#[inline(always)]
pub fn from_angle(angle: i32) -> Self {
let (c, s) = cossin(angle);
Self(c, s)

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@ -3,38 +3,6 @@
use core::ops::{Add, Mul, Neg};
/// Bit shift, round up half.
///
/// # Arguments
///
/// `x` - Value to shift and round.
/// `shift` - Number of bits to right shift `x`.
///
/// # Returns
///
/// Shifted and rounded value.
#[inline(always)]
pub fn shift_round(x: i32, shift: usize) -> i32 {
(x + (1 << (shift - 1))) >> shift
}
/// Integer division, round up half.
///
/// # Arguments
///
/// `dividend` - Value to divide.
/// `divisor` - Value that divides the
/// dividend. `dividend`+`divisor`-1 must be inside [i64::MIN,
/// i64::MAX].
///
/// # Returns
///
/// Divided and rounded value.
#[inline(always)]
pub fn divide_round(dividend: i64, divisor: i64) -> i64 {
(dividend + (divisor - 1)) / divisor
}
fn abs<T>(x: T) -> T
where
T: PartialOrd + Default + Neg<Output = T>,