All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
NASCore.C
Go to the documentation of this file.
1 /*---------------------------------------------------------------------------*\
2  ========= |
3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration | Website: https://openfoam.org
5  \\ / A nd | Copyright (C) 2011-2018 OpenFOAM Foundation
6  \\/ M anipulation |
7 -------------------------------------------------------------------------------
8 License
9  This file is part of OpenFOAM.
10 
11  OpenFOAM is free software: you can redistribute it and/or modify it
12  under the terms of the GNU General Public License as published by
13  the Free Software Foundation, either version 3 of the License, or
14  (at your option) any later version.
15 
16  OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
19  for more details.
20 
21  You should have received a copy of the GNU General Public License
22  along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
23 
24 \*---------------------------------------------------------------------------*/
25 
26 #include "NASCore.H"
27 #include "IStringStream.H"
28 
29 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
30 
32 {}
33 
34 
35 // * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
36 
38 (
39  const string& s
40 )
41 {
42  size_t expSign = s.find_last_of("+-");
43 
44  if (expSign != string::npos && expSign > 0 && !isspace(s[expSign-1]))
45  {
46  scalar mantissa = readScalar(IStringStream(s.substr(0, expSign))());
47  scalar exponent = readScalar(IStringStream(s.substr(expSign+1))());
48 
49  if (s[expSign] == '-')
50  {
51  exponent = -exponent;
52  }
53  return mantissa * pow(10, exponent);
54  }
55  else
56  {
57  return readScalar(IStringStream(s)());
58  }
59 }
60 
61 
62 // ************************************************************************* //
NASCore()
Construct null.
Definition: NASCore.C:31
bool readScalar(const char *buf, doubleScalar &s)
Read whole of buf as a scalar. Return true if successful.
Definition: doubleScalar.H:75
static scalar parseNASCoord(const string &)
Do weird things to extract number.
Definition: NASCore.C:38
dimensionedScalar pow(const dimensionedScalar &ds, const dimensionedScalar &expt)
bool isspace(char c)
Definition: char.H:53
Input from memory buffer stream.
Definition: IStringStream.H:49