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Examples: Added quadratic interpolation example.

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This commit is contained in:
Matt Spraggs 2015-11-12 13:14:10 +00:00
parent 512494aed9
commit ed3546e544
2 changed files with 43 additions and 0 deletions
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5
examples/Makefile.am
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@ -18,6 +18,7 @@ noinst_PROGRAMS = \
exCompiledDoubleFunction\
exDerivative \
exIntegrator \
exInterp \
exMat \
exMathInterpreter \
exPlot \
@ -42,6 +43,10 @@ exFit_CFLAGS = -g -O2
exFit_LDFLAGS = -L../lib/.libs -lLatAnalyze
endif
exInterp_SOURCES = exInterp.cpp
exInterp_CFLAGS = -g -O2
exInterp_LDFLAGS = -L../lib/.libs -lLatAnalyze
exIntegrator_SOURCES = exIntegrator.cpp
exIntegrator_CFLAGS = -g -O2
exIntegrator_LDFLAGS = -L../lib/.libs -lLatAnalyze

38
examples/exInterp.cpp Normal file
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@ -0,0 +1,38 @@
/*
* TabFunction.cpp, part of LatAnalyze 3
*
* Copyright (C) 2013 - 2015 Antonin Portelli, Matt Spraggs
*
* LatAnalyze 3 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.
*
* LatAnalyze 3 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 LatAnalyze 3. If not, see <http://www.gnu.org/licenses/>.
*/
#include <LatAnalyze/TabFunction.hpp>
int main(int argc, char* argv[])
{
Latan::DVec xs(3);
xs << -1.0, 0.0, 1.0;
Latan::DVec ys(3);
ys << 1.0, 0.0, 1.0;
auto tab = Latan::TabFunction(xs, ys, Latan::InterpType::QUADRATIC);
std::cout << "Interpolating naive y = x^2 data..." << std::endl;
for (double x = -1.0; x < 1.0; x += 0.1) {
double y = tab(&x);
std::cout << "y @ " << x << " = " << y;
std::cout << " ( " << x * x << " expected)" << std::endl;
}
}