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Diffstat (limited to 'openEMS/tools/useful.h')
| -rw-r--r-- | openEMS/tools/useful.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/openEMS/tools/useful.h b/openEMS/tools/useful.h new file mode 100644 index 0000000..dec13ab --- /dev/null +++ b/openEMS/tools/useful.h @@ -0,0 +1,44 @@ +/* +* Copyright (C) 2010 Thorsten Liebig (Thorsten.Liebig@gmx.de) +* +* This program is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation, either version 3 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef USEFUL_H +#define USEFUL_H + +#include <vector> +#include <string> + +//! Calc the nyquist number of timesteps for a given frequency and timestep +unsigned int CalcNyquistNum(double fmax, double dT); + +//! Calc the highest frequency allowed for a given nyquist number of timesteps and timestep +double CalcNyquistFrequency(unsigned int nyquist, double dT); + +//! Calculate an optimal job distribution to a given number of threads. Will return a vector with the jobs for each thread. +std::vector<unsigned int> AssignJobs2Threads(unsigned int jobs, unsigned int nrThreads, bool RemoveEmpty=false); + +std::vector<float> SplitString2Float(std::string str, std::string delimiter=","); +std::vector<double> SplitString2Double(std::string str, std::string delimiter=","); + +bool CrossProd(const double* v1, const double* v2, double* out); +double ScalarProd(const double* v1, const double* v2); + +double Determinant(const double* mat); +double* Invert(const double* in, double* out); + +int LinePlaneIntersection(const double *p0, const double* p1, const double* p2, const double* l_start, const double* l_stop, double* is_point, double &dist); + +#endif // USEFUL_H |