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/*
FLAM3 - cosmic recursive fractal flames
Copyright (C) 1992-2009 Spotworks LLC
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef private_included
#define private_included
#include "flam3.h"
#include "build/config.h"
#include <stdlib.h>
#include <ctype.h>
#include <time.h>
#include <string.h>
#include <libxml/parser.h>
#include <unistd.h>
#include <libgen.h>
#include <math.h>
#include <pthread.h>
#define EPS (1e-10)
#define CMAP_SIZE 256
#define CMAP_SIZE_M1 255
#define rbit() (flam3_random_bit())
#define flam3_variation_none (-1)
#define max_specified_vars (100)
#define vlen(x) (sizeof(x)/sizeof(*x))
/* Structures for passing parameters to iteration threads */
typedef struct {
unsigned short *xform_distrib; /* Distribution of xforms based on weights */
flam3_frame *spec; /* Frame contains timing information */
double bounds[4]; /* Corner coords of viewable area */
double2 rot[3]; /* Rotation transformation */
double size[2];
int width, height; /* buffer width/height */
double ws0, wb0s0, hs1, hb1s1; /* shortcuts for indexing */
flam3_palette_entry *dmap; /* palette */
double color_scalar; /* <1.0 if non-uniform motion blur is set */
double4 *buckets; /* Points to the first accumulator */
double badvals; /* accumulates all badvalue resets */
double batch_size;
int aborted, cmap_size;
time_t *progress_timer;
time_t *progress_timer_history;
double *progress_history;
int *progress_history_mark;
/* mutex for bucket accumulator */
pthread_mutex_t bucket_mutex;
} flam3_iter_constants;
typedef struct {
flam3_genome cp; /* Full copy of genome for use by the thread */
int first_thread;
int timer_initialize;
flam3_iter_constants *fic; /* Constants for render */
} flam3_thread_helper;
double flam3_sinc(double x);
#define flam3_mitchell_b (1.0 / 3.0)
#define flam3_mitchell_c (1.0 / 3.0)
#endif
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