#include <stddef.h>
Go to the source code of this file.
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int | locate (double const *xx, double x, int n) |
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void | interpn (double *val, double const *coor, double const *data, double const *axis, size_t const *len, int ndim, int nval) |
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double | interp1 (double x, double const *data, double const *axis, size_t len) |
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void | spline (int n, struct float_triplet *table, double y1_bot, double y1_top) |
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int | find_place_in_table (int n, struct float_triplet *table, double x, double *dx, int il) |
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double | splint (double xx, struct float_triplet *table, double dx) |
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void | interpnf (double *val, double const *coor, double const *data, double const *axis, size_t const *len, int ndim) |
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◆ locate()
int locate |
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double const * |
xx, |
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double |
x, |
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int |
n |
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Given an array xx[0..n-1] , and given a value x , returns a value j such that x is between xx[j] and xx[j+1]. xx must be monotonic, either increasing or decreasing. j=0 or j=n is returned to indicate that x is out of range. adapted from Numerical Recipes in C, 2nd Ed., p. 117.
Definition at line 7 of file locate.c.
◆ interpn()
void interpn |
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double * |
val, |
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double const * |
coor, |
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double const * |
data, |
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double const * |
axis, |
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size_t const * |
len, |
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int |
ndim, |
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int |
nval |
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Multidimensional linear interpolation val[0..nval-1] : output values coor[0..ndim-1] : coordinate of the interpolation point data[...] : points to the start position of a multidimensional data table. len[0..ndim-1] : length of each dimension axis[...] : coordinates of each dimesnion is placed sequentially in axis
Definition at line 12 of file interpn.c.
◆ interp1()
double interp1 |
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double |
x, |
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double const * |
data, |
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double const * |
axis, |
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size_t |
len |
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A handy function for one dimensional interpolation x : interpolation point data[0..len-1] : data array axis[0..len-1] : coordinates
Definition at line 61 of file interpn.c.
◆ spline()
void spline |
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int |
n, |
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struct float_triplet * |
table, |
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double |
y1_bot, |
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double |
y1_top |
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◆ find_place_in_table()
int find_place_in_table |
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int |
n, |
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struct float_triplet * |
table, |
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double |
x, |
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double * |
dx, |
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int |
il |
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◆ splint()
double splint |
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double |
xx, |
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struct float_triplet * |
table, |
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double |
dx |
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◆ interpnf()
void interpnf |
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double * |
val, |
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double const * |
coor, |
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double const * |
data, |
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double const * |
axis, |
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size_t const * |
len, |
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int |
ndim |
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Multidimensional linear interpolation val[0..nval-1] : output values coor[0..ndim-1] : coordinate of the interpolation point data[...] : points to the start position of a multidimensional data table. len[0..ndim-1] : length of each dimension axis[...] : coordinates of each dimesnion is placed sequentially in axis
Definition at line 13 of file interpnf.c.