matpackIII.h File Reference

#include <iomanip>
#include "matpackI.h"

Go to the source code of this file.

Classes
class	Iterator3D
	Implementation of Tensors of Rank 3. More...
class	ConstIterator3D
	Const version of Iterator3D. More...
class	ConstTensor3View
	A constant view of a Tensor3. More...
class	Tensor3View
	The Tensor3View class. More...
class	Tensor3
	The Tensor3 class. More...
Typedefs
typedef Array< Tensor3 >	ArrayOfTensor3
	An array of Tensor3.
Functions
void	copy (ConstIterator3D origin, const ConstIterator3D &end, Iterator3D target)
	Copy data between begin and end to target.
void	copy (Numeric x, Iterator3D target, const Iterator3D &end)
	Copy a scalar to all elements.
std::ostream &	operator<< (std::ostream &os, const ConstTensor3View &v)
	Output operator.
Numeric	add (Numeric x, Numeric y)
void	transform (Tensor3View y, double(&my_func)(double), ConstTensor3View x)
	A generic transform function for tensors, which can be used to implement mathematical functions operating on all elements.
Numeric	max (const ConstTensor3View &x)
	Max function, tensor version.
Numeric	min (const ConstTensor3View &x)
	Min function, tensor version.

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Typedef Documentation

typedef Array<Tensor3> ArrayOfTensor3

An array of Tensor3.

Definition at line 263 of file matpackIII.h.

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Function Documentation

Numeric add	(	Numeric	x,
		Numeric	y
	)			[inline]

Definition at line 926 of file matpackIII.h.

void copy	(	Numeric	x,
		Iterator3D	target,
		const Iterator3D &	end
	)			[inline]

Copy a scalar to all elements.

Definition at line 1101 of file matpackIII.h.

void copy	(	ConstIterator3D	origin,
		const ConstIterator3D &	end,
		Iterator3D	target
	)			[inline]

Copy data between begin and end to target.

Target must be a valid area of memory. Note that the strides in the iterators can be different, so that we can copy data between different kinds of subtensors.

Definition at line 1086 of file matpackIII.h.

Numeric max

(

const ConstTensor3View &

x

)

[inline]

Max function, tensor version.

Definition at line 1296 of file matpackIII.h.

Numeric min

(

const ConstTensor3View &

x

)

[inline]

Min function, tensor version.

Definition at line 1318 of file matpackIII.h.

std::ostream& operator<<	(	std::ostream &	os,
		const ConstTensor3View &	v
	)			[inline]

Output operator.

This demonstrates how iterators can be used to traverse the tensor. We use the standard output operator for Matrix to print each page in turn.

Definition at line 603 of file matpackIII.h.

void transform	(	Tensor3View	y,
		double(&)(double)	my_func,
		ConstTensor3View	x
	)			[inline]

A generic transform function for tensors, which can be used to implement mathematical functions operating on all elements.

Because we have this, we don't need explicit functions like sqrt for tensors! The type of the mathematical function is double (&my_func)(double). Numeric would not work here, since mathematical functions for float do not exist!

transform(y,sin,x) computes y = sin(x)

The two views may be the same one, in which case the conversion happens in place.

Return values:

y

the results of the function acting on each element of x

Parameters:

	my_func	a function (e.g., sqrt)
	x	a tensor

Definition at line 1275 of file matpackIII.h.