M-Labs/nalgebra
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removed depedency on Vec

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Stefan Mesken 2019-04-08 23:10:27 +02:00 committed by Sébastien Crozet
parent 4add995c1b
commit e86ab5db3d
1 changed files with 6 additions and 8 deletions
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14
src/base/edition.rs
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@ -315,12 +315,11 @@ impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
DefaultAllocator: Reallocator<N, R, C, R, Dynamic>,
{
let mut m = self.into_owned();
let mut v: Vec<usize> = indices.to_vec();
let (nrows, ncols) = m.data.shape();
let mut offset: usize = 0;
let mut target: usize = 0;
while offset + target < ncols.value() {
if v.contains(&(target + offset)) {
if indices.contains(&(target + offset)) {
offset += 1;
} else {
unsafe {
@ -339,26 +338,25 @@ impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
unsafe {
Matrix::from_data(DefaultAllocator::reallocate_copy(
nrows,
ncols.sub(Dynamic::from_usize(v.len())),
ncols.sub(Dynamic::from_usize(offset)),
m.data,
))
}
}
/// Removes all columns in `indices`
/// Removes all rows in `indices`
#[cfg(any(feature = "std", feature = "alloc"))]
pub fn remove_rows_at(self, indices: &[usize]) -> MatrixMN<N, Dynamic, C>
where
R: DimSub<Dynamic, Output = Dynamic>,
DefaultAllocator: Reallocator<N, R, C, Dynamic, C>,
{
{
let mut m = self.into_owned();
let mut v: Vec<usize> = indices.to_vec();
let (nrows, ncols) = m.data.shape();
let mut offset: usize = 0;
let mut target: usize = 0;
while offset + target < nrows.value() * ncols.value() {
if v.contains(&((target + offset) % nrows.value())) {
if indices.contains(&((target + offset) % nrows.value())) {
offset += 1;
} else {
unsafe {
@ -373,7 +371,7 @@ impl<N: Scalar, R: Dim, C: Dim, S: Storage<N, R, C>> Matrix<N, R, C, S> {
unsafe {
Matrix::from_data(DefaultAllocator::reallocate_copy(
nrows.sub(Dynamic::from_usize(v.len())),
nrows.sub(Dynamic::from_usize(offset / ncols.value ())),
ncols,
m.data,
))