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nil_num/ops/
mul_ceil.rs

1// Copyright (C) Call of Nil contributors
2// SPDX-License-Identifier: AGPL-3.0-only
3
4pub trait MulCeil<Rhs = Self> {
5  type Output;
6
7  fn mul_ceil(self, rhs: Rhs) -> Self::Output;
8}
9
10impl MulCeil for f64 {
11  type Output = f64;
12
13  fn mul_ceil(self, rhs: f64) -> f64 {
14    (self * rhs).ceil()
15  }
16}
17
18#[macro_export]
19macro_rules! impl_mul_ceil {
20  ($($name:ident),+ $(,)?) => {
21    $(
22      impl $crate::ops::MulCeil<f64> for $name {
23        type Output = f64;
24
25        fn mul_ceil(self, rhs: f64) -> Self::Output {
26          (f64::from(self) * rhs).ceil()
27        }
28      }
29
30      impl $crate::ops::MulCeil<$name> for f64 {
31        type Output = f64;
32
33        fn mul_ceil(self, rhs: $name) -> Self::Output {
34          (self * f64::from(rhs)).ceil()
35        }
36      }
37    )+
38  };
39}
40
41impl_mul_ceil!(i8, u8, i16, u16, i32, u32, f32);