Removed unnecessary `unsafe` markers
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40bc1cb304
commit
04e937792b
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@ -79,7 +79,7 @@ where
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}
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}
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#[inline]
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#[inline]
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unsafe fn is_contiguous(&self) -> bool {
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fn is_contiguous(&self) -> bool {
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true
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true
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}
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}
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@ -166,7 +166,7 @@ macro_rules! storage_impl(
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}
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}
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#[inline]
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#[inline]
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unsafe fn is_contiguous(&self) -> bool {
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fn is_contiguous(&self) -> bool {
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// Common cases that can be deduced at compile-time even if one of the dimensions
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// Common cases that can be deduced at compile-time even if one of the dimensions
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// is Dynamic.
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// is Dynamic.
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if (RStride::is::<U1>() && C::is::<U1>()) || // Column vector.
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if (RStride::is::<U1>() && C::is::<U1>()) || // Column vector.
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@ -70,24 +70,36 @@ pub unsafe trait Storage<T: Scalar, R: Dim, C: Dim = U1>: Debug + Sized {
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}
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}
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/// Gets the address of the i-th matrix component without performing bound-checking.
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/// Gets the address of the i-th matrix component without performing bound-checking.
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///
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/// # Safety
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/// If the index is out of bounds, dereferencing the result will cause undefined behavior.
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#[inline]
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#[inline]
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unsafe fn get_address_unchecked_linear(&self, i: usize) -> *const T {
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fn get_address_unchecked_linear(&self, i: usize) -> *const T {
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self.ptr().wrapping_add(i)
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self.ptr().wrapping_add(i)
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}
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}
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/// Gets the address of the i-th matrix component without performing bound-checking.
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/// Gets the address of the i-th matrix component without performing bound-checking.
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///
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/// # Safety
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/// If the index is out of bounds, dereferencing the result will cause undefined behavior.
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#[inline]
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#[inline]
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unsafe fn get_address_unchecked(&self, irow: usize, icol: usize) -> *const T {
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fn get_address_unchecked(&self, irow: usize, icol: usize) -> *const T {
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self.get_address_unchecked_linear(self.linear_index(irow, icol))
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self.get_address_unchecked_linear(self.linear_index(irow, icol))
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}
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}
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/// Retrieves a reference to the i-th element without bound-checking.
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/// Retrieves a reference to the i-th element without bound-checking.
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///
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/// # Safety
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/// If the index is out of bounds, the method will cause undefined behavior.
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#[inline]
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#[inline]
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unsafe fn get_unchecked_linear(&self, i: usize) -> &T {
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unsafe fn get_unchecked_linear(&self, i: usize) -> &T {
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&*self.get_address_unchecked_linear(i)
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&*self.get_address_unchecked_linear(i)
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}
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}
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/// Retrieves a reference to the i-th element without bound-checking.
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/// Retrieves a reference to the i-th element without bound-checking.
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///
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/// # Safety
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/// If the index is out of bounds, the method will cause undefined behavior.
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#[inline]
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#[inline]
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unsafe fn get_unchecked(&self, irow: usize, icol: usize) -> &T {
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unsafe fn get_unchecked(&self, irow: usize, icol: usize) -> &T {
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self.get_unchecked_linear(self.linear_index(irow, icol))
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self.get_unchecked_linear(self.linear_index(irow, icol))
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@ -96,9 +108,9 @@ pub unsafe trait Storage<T: Scalar, R: Dim, C: Dim = U1>: Debug + Sized {
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/// Indicates whether this data buffer stores its elements contiguously.
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/// Indicates whether this data buffer stores its elements contiguously.
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///
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///
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/// # Safety
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/// # Safety
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/// This method is unsafe because unsafe code relies on this properties to performe
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/// This function must not return `true` if the underlying storage is not contiguous,
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/// some low-lever optimizations.
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/// or undefined behaviour will occur.
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unsafe fn is_contiguous(&self) -> bool;
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fn is_contiguous(&self) -> bool;
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/// Retrieves the data buffer as a contiguous slice.
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/// Retrieves the data buffer as a contiguous slice.
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///
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///
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@ -131,30 +143,45 @@ pub unsafe trait StorageMut<T: Scalar, R: Dim, C: Dim = U1>: Storage<T, R, C> {
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fn ptr_mut(&mut self) -> *mut T;
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fn ptr_mut(&mut self) -> *mut T;
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/// Gets the mutable address of the i-th matrix component without performing bound-checking.
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/// Gets the mutable address of the i-th matrix component without performing bound-checking.
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///
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/// # Safety
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/// If the index is out of bounds, dereferencing the result will cause undefined behavior.
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#[inline]
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#[inline]
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unsafe fn get_address_unchecked_linear_mut(&mut self, i: usize) -> *mut T {
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fn get_address_unchecked_linear_mut(&mut self, i: usize) -> *mut T {
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self.ptr_mut().wrapping_add(i)
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self.ptr_mut().wrapping_add(i)
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}
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}
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/// Gets the mutable address of the i-th matrix component without performing bound-checking.
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/// Gets the mutable address of the i-th matrix component without performing bound-checking.
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///
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/// # Safety
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/// If the index is out of bounds, dereferencing the result will cause undefined behavior.
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#[inline]
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#[inline]
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unsafe fn get_address_unchecked_mut(&mut self, irow: usize, icol: usize) -> *mut T {
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fn get_address_unchecked_mut(&mut self, irow: usize, icol: usize) -> *mut T {
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let lid = self.linear_index(irow, icol);
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let lid = self.linear_index(irow, icol);
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self.get_address_unchecked_linear_mut(lid)
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self.get_address_unchecked_linear_mut(lid)
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}
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}
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/// Retrieves a mutable reference to the i-th element without bound-checking.
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/// Retrieves a mutable reference to the i-th element without bound-checking.
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///
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/// # Safety
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/// If the index is out of bounds, the method will cause undefined behavior.
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unsafe fn get_unchecked_linear_mut(&mut self, i: usize) -> &mut T {
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unsafe fn get_unchecked_linear_mut(&mut self, i: usize) -> &mut T {
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&mut *self.get_address_unchecked_linear_mut(i)
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&mut *self.get_address_unchecked_linear_mut(i)
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}
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}
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/// Retrieves a mutable reference to the element at `(irow, icol)` without bound-checking.
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/// Retrieves a mutable reference to the element at `(irow, icol)` without bound-checking.
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///
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/// # Safety
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/// If the index is out of bounds, the method will cause undefined behavior.
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#[inline]
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#[inline]
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unsafe fn get_unchecked_mut(&mut self, irow: usize, icol: usize) -> &mut T {
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unsafe fn get_unchecked_mut(&mut self, irow: usize, icol: usize) -> &mut T {
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&mut *self.get_address_unchecked_mut(irow, icol)
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&mut *self.get_address_unchecked_mut(irow, icol)
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}
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}
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/// Swaps two elements using their linear index without bound-checking.
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/// Swaps two elements using their linear index without bound-checking.
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///
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/// # Safety
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/// If the indices are out of bounds, the method will cause undefined behavior.
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#[inline]
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#[inline]
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unsafe fn swap_unchecked_linear(&mut self, i1: usize, i2: usize) {
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unsafe fn swap_unchecked_linear(&mut self, i1: usize, i2: usize) {
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let a = self.get_address_unchecked_linear_mut(i1);
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let a = self.get_address_unchecked_linear_mut(i1);
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@ -164,6 +191,9 @@ pub unsafe trait StorageMut<T: Scalar, R: Dim, C: Dim = U1>: Storage<T, R, C> {
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}
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}
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/// Swaps two elements without bound-checking.
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/// Swaps two elements without bound-checking.
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///
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/// # Safety
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/// If the indices are out of bounds, the method will cause undefined behavior.
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#[inline]
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#[inline]
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unsafe fn swap_unchecked(&mut self, row_col1: (usize, usize), row_col2: (usize, usize)) {
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unsafe fn swap_unchecked(&mut self, row_col1: (usize, usize), row_col2: (usize, usize)) {
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let lid1 = self.linear_index(row_col1.0, row_col1.1);
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let lid1 = self.linear_index(row_col1.0, row_col1.1);
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@ -180,7 +180,7 @@ where
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}
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}
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#[inline]
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#[inline]
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unsafe fn is_contiguous(&self) -> bool {
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fn is_contiguous(&self) -> bool {
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true
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true
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}
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}
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@ -229,7 +229,7 @@ where
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}
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}
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#[inline]
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#[inline]
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unsafe fn is_contiguous(&self) -> bool {
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fn is_contiguous(&self) -> bool {
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true
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true
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}
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}
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