gsMath.h File Reference

Mathematical functions for use in G+Smo. More...

Include dependency graph for gsMath.h:

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Classes
struct	numeric_limits< T >

Namespaces
	gismo
	The G+Smo namespace, containing all definitions for the library.
	gismo::math
	This namespace contains common mathematical functions.

Functions
template<typename T >
util::make_unsigned< T >::type	abs_diff (T a, T b)
template<typename T >
int	getSign (T val)
	Returns the sign of val.
template<typename matrix_t1 , typename matrix_t2 >
bool	gsAllCloseAbsolute (const matrix_t1 &a, const matrix_t2 &b, const typename matrix_t1::Scalar &tol)
	tests if the difference between two matrices is bounded by tol in \( L^\infty \) norm More...
template<typename matrix_t1 , typename matrix_t2 >
bool	gsAllCloseRelAndAbsWithRef (const matrix_t1 &a, const matrix_t2 &b, const typename matrix_t1::Scalar &tol, const typename matrix_t1::Scalar &ref)
	Tests whether the difference between two matrices is bounded by tol in \( L^\infty \) norm. More...
template<typename matrix_t1 , typename matrix_t2 >
bool	gsAllCloseRelativeToMax (const matrix_t1 &a, const matrix_t2 &b, const typename matrix_t1::Scalar &tol)
	tests if the difference between two matrices is bounded by tol in \( L^\infty \) norm More...
template<typename T >
bool	gsClose (const T &a, const T &b, const T &tol)
	tests if the difference between two numbers is below tolerance
int	ipow (int x, unsigned exp)
	integer power
unsigned	isqrt (unsigned value)
	integer square root
template<class T >
T	mix (T const &a, T const &b, T const &t)
	Returns convex combination of a and b with weight t.
template<typename T >
T	nextafter (T x, T y)

Detailed Description

Mathematical functions for use in G+Smo.

This file is part of the G+Smo library.

This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.

Author(s): A. Bressan, A. Mantzaflaris