guide34/html/kernels_8h_source.html

 /*

  * Copyright (c) 2002, 2017 Jens Keiner, Stefan Kunis, Daniel Potts

  *

  * This program 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 2 of the License, or (at your option) any later

  * version.

  *

  * This program 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

  * this program; if not, write to the Free Software Foundation, Inc., 51

  * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

  */


 #ifndef KERNELS_H

 #define KERNELS_H


 #include "config.h"


 #ifdef HAVE_COMPLEX_H

 #include <complex.h>

 #endif


 #include "nfft3.h"

 #include "infft.h"


 #ifdef __cplusplus

 extern "C"

 {

 #endif /* __cplusplus */


 C gaussian(R x, int der, const R *param);

 C multiquadric(R x, int der, const R *param);

 C inverse_multiquadric(R x, int der, const R *param);

 C logarithm(R x, int der, const R *param);

 C thinplate_spline(R x, int der, const R *param);

 C one_over_square(R x, int der, const R *param);

 C one_over_modulus(R x, int der, const R *param);

 C one_over_x(R x, int der, const R *param);

 C inverse_multiquadric3(R x, int der, const R *param);

 C sinc_kernel(R x, int der, const R *param);

 C cosc(R x, int der, const R *param);

 C kcot(R x, int der, const R *param);

 C one_over_cube(R x, int der, const R *param);

 C log_sin(R x, int der, const R *param);

 /* \} */


 #ifdef __cplusplus

 }  /* extern "C" */

 #endif /* __cplusplus */


 #endif

 /* kernels.h */

inverse_multiquadric3
C inverse_multiquadric3(R x, int der, const R *param)
K(x) = 1/sqrt(x^2+c^2)^3.
Definition: kernels.c:261

one_over_cube
C one_over_cube(R x, int der, const R *param)
K(x) = 1/x^3.
Definition: kernels.c:374

gaussian
C gaussian(R x, int der, const R *param)
K(x)=exp(-x^2/c^2)
Definition: kernels.c:38

cosc
C cosc(R x, int der, const R *param)
K(x) = cos(cx)/x.
Definition: kernels.c:314

one_over_x
C one_over_x(R x, int der, const R *param)
K(x) = 1/x.
Definition: kernels.c:233

thinplate_spline
C thinplate_spline(R x, int der, const R *param)
K(x) = x^2 log |x|.
Definition: kernels.c:149

sinc_kernel
C sinc_kernel(R x, int der, const R *param)
K(x) = sin(cx)/x.
Definition: kernels.c:287

one_over_square
C one_over_square(R x, int der, const R *param)
K(x) = 1/x^2.
Definition: kernels.c:177

one_over_modulus
C one_over_modulus(R x, int der, const R *param)
K(x) = 1/|x|.
Definition: kernels.c:205

logarithm
C logarithm(R x, int der, const R *param)
K(x)=log |x|.
Definition: kernels.c:116

inverse_multiquadric
C inverse_multiquadric(R x, int der, const R *param)
K(x)=1/sqrt(x^2+c^2)
Definition: kernels.c:90

kcot
C kcot(R x, int der, const R *param)
K(x) = cot(cx)
Definition: kernels.c:346

nfft3.h
Header file for the nfft3 library.

multiquadric
C multiquadric(R x, int der, const R *param)
K(x)=sqrt(x^2+c^2)
Definition: kernels.c:64

log_sin
C log_sin(R x, int der, const R *param)
K(x) = log(|sin(cx)|)
Definition: kernels.c:402