DOLFIN
DOLFIN C++ interface
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basic.h
1// Copyright (C) 2003-2011 Anders Logg
2//
3// This file is part of DOLFIN.
4//
5// DOLFIN is free software: you can redistribute it and/or modify
6// it under the terms of the GNU Lesser General Public License as published by
7// the Free Software Foundation, either version 3 of the License, or
8// (at your option) any later version.
9//
10// DOLFIN is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU Lesser General Public License for more details.
14//
15// You should have received a copy of the GNU Lesser General Public License
16// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
17//
18// First added: 2003-02-06
19// Last changed: 2011-07-01
20
21#ifndef __BASIC_H
22#define __BASIC_H
23
24#include <cstddef>
25#include <utility>
26#include <dolfin/common/constants.h>
27
28namespace dolfin
29{
37 std::size_t ipow(std::size_t a, std::size_t n);
38
41 double rand();
42
46 void seed(std::size_t s);
47
56 bool near(double x, double x0, double eps=DOLFIN_EPS);
57
58 // FIXME: This should not involve eps. It is 'between' and
59 // not 'nearly between'.
66 bool between(double x, std::pair<double, double> range);
67
68}
69
70#endif
Definition adapt.h:30
bool between(double x, std::pair< double, double > range)
Definition basic.cpp:85
void seed(std::size_t s)
Definition basic.cpp:74
double rand()
Definition basic.cpp:63
std::size_t ipow(std::size_t a, std::size_t n)
Definition basic.cpp:40
bool near(double x, double x0, double eps=DOLFIN_EPS)
Definition basic.cpp:80