FNFT
Functions
fnft__misc.h File Reference

Miscellaneous functions used in the FNFT library. More...

#include "fnft.h"
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Functions

void fnft__misc_print_buf (const FNFT_INT len, FNFT_COMPLEX const *const buf, char const *const varname)
 Helper function for debugging. Prints an array in MATLAB style. More...
 
FNFT_REAL fnft__misc_rel_err (const FNFT_INT len, FNFT_COMPLEX const *const vec_numer, FNFT_COMPLEX const *const vec_exact)
 Relative l1 error between two vectors. More...
 
FNFT_REAL fnft__misc_hausdorff_dist (const FNFT_UINT lenA, FNFT_COMPLEX const *const vecA, const FNFT_UINT lenB, FNFT_COMPLEX const *const vecB)
 Hausdorff distance between two vectors. More...
 
FNFT_COMPLEX fnft__misc_sech (FNFT_COMPLEX Z)
 Hyperbolic secant. More...
 
FNFT_REAL fnft__misc_l2norm2 (const FNFT_UINT N, FNFT_COMPLEX const *const Z, const FNFT_REAL a, const FNFT_REAL b)
 Squared l2 norm. More...
 
FNFT_INT fnft__misc_filter (FNFT_UINT *const N, FNFT_COMPLEX *const vals, FNFT_COMPLEX *const rearrange_as_well, FNFT_REAL const *const bounding_box)
 Filters array by retaining elements inside a bounding box. More...
 
FNFT_INT fnft__misc_filter_nonreal (FNFT_UINT *N_ptr, FNFT_COMPLEX *const vals, const FNFT_REAL tol_im)
 Filter array based on specified tolerance. More...
 
FNFT_INT fnft__misc_filter_inv (FNFT_UINT *const N_ptr, FNFT_COMPLEX *const vals, FNFT_COMPLEX *const rearrange_as_well, FNFT_REAL const *const bounding_box)
 Filters array by retaining elements outside a bounding box. More...
 
FNFT_INT fnft__misc_merge (FNFT_UINT *N_ptr, FNFT_COMPLEX *const vals, FNFT_REAL tol)
 Merges elements in an array with distance lower than tol. More...
 
FNFT_INT fnft__misc_downsample (const FNFT_UINT D, FNFT_COMPLEX const *const q, FNFT_UINT *const Dsub_ptr, FNFT_COMPLEX **qsub_ptr, FNFT_UINT *const first_last_index)
 Downsamples an array. More...
 
FNFT_COMPLEX fnft__misc_CSINC (FNFT_COMPLEX x)
 Sinc function for complex arguments. More...
 
FNFT_UINT fnft__misc_nextpowerof2 (const FNFT_UINT number)
 Closest larger or equal number that is a power of two. More...
 

Detailed Description

Miscellaneous functions used in the FNFT library.