forked from lijiext/lammps
41 lines
876 B
C++
41 lines
876 B
C++
#ifndef INTERPOLATION_H
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#define INTERPOLATION_H
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#include "stdio.h"
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#include "stdlib.h"
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#include "string.h"
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#include "memory.h"
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extern "C" typedef struct { double r, i; } doublecomplex;
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using namespace std;
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class Interpolate{
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public:
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Interpolate(int, int, int, int, doublecomplex **);
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~Interpolate();
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void set_method();
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void execute(double *, doublecomplex *);
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void reset_gamma();
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int UseGamma;
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private:
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void tricubic_init();
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void tricubic(double *, doublecomplex *);
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void trilinear(double *, doublecomplex *);
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Memory *memory;
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int which;
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int Nx, Ny, Nz, Npt, ndim;
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int flag_reset_gamma, flag_allocated_dfs;
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doublecomplex **data;
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doublecomplex **Dfdx, **Dfdy, **Dfdz, **D2fdxdy, **D2fdxdz, **D2fdydz, **D3fdxdydz;
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double a[64], f[8], dfdx[8], dfdy[8], dfdz[8], d2fdxdy[8], d2fdxdz[8], d2fdydz[8], d3fdxdydz[8];
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int vidx[8];
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};
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#endif
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