transformations.hpp File Reference

Defines tensor transformation operations. More...

#include <tuple>
#include <array>
#include <vector>
#include <cassert>
#include "concepts.hpp"
#include "types.hpp"
#include "traits.hpp"
#include "shape.hpp"
#include "tensor.hpp"
#include "exceptions.hpp"

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Classes
class	tannic::transformation::Transformation< Operation, Operands >
	Expression template for tensor transformations. More...
struct	tannic::transformation::Composition
	Transformation composition (Known as Matrix Multiplication) operation. More...
struct	tannic::transformation::Outer
	Represents the outer product operation between two vectors. More...
struct	tannic::transformation::Repetition
	Repetition operation along a specified axis. More...
struct	tannic::transformation::Concatenation
	Concatenation operation along a specified axis. More...
struct	tannic::transformation::Repack
	Repack operation (makes a tensor contiguous in memory) More...

Namespaces
namespace	tannic
namespace	tannic::transformation

Functions
template<Expression Outer, Expression Inner>
constexpr auto	tannic::transformation::composition (Outer &&outer, Inner &&inner, double scale)
	Creates a composition (matrix multiplication) expression.
template<Expression First, Expression Second>
constexpr auto	tannic::transformation::outer (First &&first, Second &&second)
	Creates an outer product expression.
template<Expression Source>
constexpr auto	tannic::transformation::repeat (Source &&source, int repeats, int axis=0)
	Creates a repetition transformation.
template<Expression First, Expression Second>
constexpr auto	tannic::transformation::concatenate (First &&first, Second &&second, int axis=0)
	Helper function to create a concatenation transformation.
template<Expression Source>
constexpr auto	tannic::transformation::repack (Source &&source)
	Creates a repack transformation.
template<Expression Source, Integral ... Indexes>
constexpr auto	tannic::transformation::reshape (Source &&source, Indexes ... indexes)
	Creates a view but always repacks the tensor into a contiguous layout.
template<Expression Multiplicand, Expression Multiplier>
constexpr auto	tannic::matmul (Multiplicand &&multiplicand, Multiplier &&multiplier, double scale=1.0)
	Matrix multiplication convenience function.

Detailed Description

Defines tensor transformation operations.

Author

Eric Hermosis

Date

2025

This header provides tensor transformation operations implemented as expression templates.

Part of the Tannic Tensor Library.