indexing.hpp File Reference

Utilities for index normalization and slicing ranges in the Tannic Tensor Library. More...

#include <cassert>
#include "concepts.hpp"
#include "exceptions.hpp"

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Classes
struct	tannic::indexing::Range
	Represents a half-open interval [start, stop) for slicing. More...

Namespaces
namespace	tannic
namespace	tannic::indexing

Typedefs
using	tannic::range = indexing::Range
	Convenience alias for tannic::indexing::Range.

Functions
template<Integral Index, Integral Size>
constexpr Index	tannic::indexing::normalize (Index index, Size bound)
	Normalize a possibly-negative index into the valid range [0, bound).
template<Integral Size>
constexpr Range	tannic::indexing::normalize (Range range, Size size)
	Normalize a slicing range into valid [start, stop) indices.

Detailed Description

Utilities for index normalization and slicing ranges in the Tannic Tensor Library.

Author

Eric Hermosis

Date

2025

This header defines helper structures and functions for working with tensor indices and slices. The utilities are inspired by Python's negative indexing and range semantics, providing a consistent and safe interface for normalizing indices into valid positive ranges within tensor dimensions.