forked from M-Labs/nalgebra
19 lines
375 B
Rust
19 lines
375 B
Rust
use crate::allocator::Allocator;
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use crate::{DefaultAllocator, Dim, OVector};
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pub fn cumsum<D: Dim>(a: &mut OVector<usize, D>, b: &mut OVector<usize, D>) -> usize
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where
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DefaultAllocator: Allocator<usize, D>,
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{
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assert!(a.len() == b.len());
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let mut sum = 0;
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for i in 0..a.len() {
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b[i] = sum;
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sum += a[i];
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a[i] = b[i];
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}
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sum
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}
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