diff options
Diffstat (limited to 'src/silx/math/fit/functions/include/functions.h')
| -rw-r--r-- | src/silx/math/fit/functions/include/functions.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/silx/math/fit/functions/include/functions.h b/src/silx/math/fit/functions/include/functions.h new file mode 100644 index 0000000..de4209b --- /dev/null +++ b/src/silx/math/fit/functions/include/functions.h @@ -0,0 +1,68 @@ +/*########################################################################## +# Copyright (C) 2016 European Synchrotron Radiation Facility +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. +# +# ############################################################################*/ + +#ifndef FITFUNCTIONS_H +#define FITFUNCTIONS_H + +/* Helper functions */ +int test_params(int len_params, int len_params_one_function, char* fun_name, char* param_names); +double myerfc(double x); +double myerf(double x); +int erfc_array(double* x, int len_x, double* y); +int erf_array(double* x, int len_x, double* y); + +/* Background functions */ +void snip1d(double *data, int size, int width); +//void snip1d_multiple(double *data, int n_channels, int snip_width, int n_spectra); +void snip2d(double *data, int nrows, int ncolumns, int width); +void snip3d(double *data, int nx, int ny, int nz, int width); + +int strip(double* input, long len_input, double c, long niter, int deltai, + long* anchors, long len_anchors, double* output); + +/* Smoothing functions */ + +int SavitskyGolay(double* input, long len_input, int npoints, double* output); + +/* Fit functions */ +int sum_gauss(double* x, int len_x, double* pgauss, int len_pgauss, double* y); +int sum_agauss(double* x, int len_x, double* pgauss, int len_pgauss, double* y); +int sum_fastagauss(double* x, int len_x, double* pgauss, int len_pgauss, double* y); +int sum_splitgauss(double* x, int len_x, double* pgauss, int len_pgauss, double* y); + +int sum_apvoigt(double* x, int len_x, double* pvoigt, int len_pvoigt, double* y); +int sum_pvoigt(double* x, int len_x, double* pvoigt, int len_pvoigt, double* y); +int sum_splitpvoigt(double* x, int len_x, double* pvoigt, int len_pvoigt, double* y); + +int sum_lorentz(double* x, int len_x, double* plorentz, int len_plorentz, double* y); +int sum_alorentz(double* x, int len_x, double* plorentz, int len_plorentz, double* y); +int sum_splitlorentz(double* x, int len_x, double* plorentz, int len_plorentz, double* y); + +int sum_stepdown(double* x, int len_x, double* pdstep, int len_pdstep, double* y); +int sum_stepup(double* x, int len_x, double* pustep, int len_pustep, double* y); +int sum_slit(double* x, int len_x, double* pslit, int len_pslit, double* y); + +int sum_ahypermet(double* x, int len_x, double* phypermet, int len_phypermet, double* y, int tail_flags); +int sum_fastahypermet(double* x, int len_x, double* phypermet, int len_phypermet, double* y, int tail_flags); + +#endif /* #define FITFUNCTIONS_H */ |