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32 lines
1.0 KiB
C++
32 lines
1.0 KiB
C++
#include <LatAnalyze/Functional/TabFunction.hpp>
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int main(void)
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{
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Latan::DVec xs(3);
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xs << -1.0, 0.0, 1.0;
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Latan::DVec ys(3);
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ys << 1.0, 0.0, 1.0;
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auto tab = Latan::TabFunction(xs, ys, Latan::InterpType::QUADRATIC);
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std::cout << "Interpolating naive y = x^2 data using quadratic ";
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std::cout << "interpolation..." << std::endl;
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for (double x = -1.0; x < 1.0; x += 0.1) {
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double y = tab(&x);
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std::cout << "y @ " << x << " = " << y;
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std::cout << " ( " << x * x << " expected)" << std::endl;
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}
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std::cout << std::endl;
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tab = Latan::TabFunction(xs, ys, Latan::InterpType::NEAREST);
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std::cout << "Interpolating naive y = x^2 data using nearest ";
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std::cout << "interpolation..." << std::endl;
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for (double x = -1.0; x < 1.0; x += 0.1) {
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double y = tab(&x);
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std::cout << "y @ " << x << " = " << y;
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double expected = (x > 0.5) ? 1.0 : ((x <= -0.5) ? 1.0 : 0.0);
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std::cout << " ( " << expected << " expected)" << std::endl;
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}
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}
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