/usr/include/refi.h is in libimdi-dev 1.5.1-5ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | /* Reference floating point interpolator constructed out of rspl's */
/* This provides imdi functionality in floating point */
/*
* Copyright 2000 Graeme W. Gill
* All rights reserved.
*
* This material is licenced under the GNU AFFERO GENERAL PUBLIC LICENSE Version 3 :-
* see the License.txt file for licencing details.
*/
#include "../rspl/rspl.h"
/* ------------------------------------------------ */
typedef struct {
int id, od; /* Input and output dimensions */
int inres; /* Desired input table resolution */
int clutres; /* Desired clut table resolution */
int outres; /* Desired output table resolution */
rspl *in[MXDI];
rspl *clut;
rspl *out[MXDO];
void (*input_curves) (void *cntx, double *out_vals, double *in_vals);
void (*md_table) (void *cntx, double *out_vals, double *in_vals);
void (*output_curves)(void *cntx, double *out_vals, double *in_vals);
void *cntx; /* Context to callbacks */
int chan; /* Current callback channel */
} refi;
refi *new_refi(
int id, /* Number of input dimensions */
int od, /* Number of output dimensions */
int inres, /* Desired input table resolution */
int clutres, /* Desired clut table resolution */
int outres, /* Desired output table resolution */
/* Callbacks to lookup the table values */
void (*input_curves) (void *cntx, double *out_vals, double *in_vals),
void (*md_table) (void *cntx, double *out_vals, double *in_vals),
void (*output_curves)(void *cntx, double *out_vals, double *in_vals),
void *cntx /* Context to callbacks */
);
void refi_free(refi *r);
/* Component interpolations */
void refi_input(void *cntx, double *out_vals, double *in_vals);
void refi_clut(void *cntx, double *out_vals, double *in_vals);
void refi_output(void *cntx, double *out_vals, double *in_vals);
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