Bausager
3a53b6ebf7
done single-threded 1d interpolations; linear, rational, cubic spline, polynomial and barycentric. Still not done test functions yet. Still missing multi-core options.
30 lines
650 B
C++
30 lines
650 B
C++
#pragma once
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#include "./numerics/interpolation1d_base.h"
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namespace numerics{
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template <typename T>
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struct interp_linear : Base_interp<T> {
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using Base = Base_interp<T>;
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// bring base data members into scope (or use this->xx / this->yy below)
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using Base::xx;
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using Base::yy;
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interp_linear(const utils::Vector<T> &xv, const utils::Vector<T> &yv): Base_interp<T>(xv, &yv[0], 2){}
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T rawinterp(int64_t j, T x) override{
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if (xx[j]==xx[j+1]){
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return yy[j]; // Table is defective, but we can recover.
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}else {
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return (yy[j] + ((x-xx[j])/(xx[j+1]-xx[j]))*(yy[j+1]-yy[j]));
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}
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}
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};
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} // namespace numerics
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