source: Sophya/trunk/SophyaPI/PIGcont/gp_axis.h@ 3191

Last change on this file since 3191 was 2893, checked in by cmv, 20 years ago

on vire struct gen_table axisname_tbl non defini et ne servant a rien rz+cmv 100106
File size: 21.4 KB
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1/*[
2 * Copyright 2000 Thomas Williams, Colin Kelley
3 *
4 * Permission to use, copy, and distribute this software and its
5 * documentation for any purpose with or without fee is hereby granted,
6 * provided that the above copyright notice appear in all copies and
7 * that both that copyright notice and this permission notice appear
8 * in supporting documentation.
9 *
10 * Permission to modify the software is granted, but not the right to
11 * distribute the complete modified source code. Modifications are to
12 * be distributed as patches to the released version. Permission to
13 * distribute binaries produced by compiling modified sources is granted,
14 * provided you
15 * 1. distribute the corresponding source modifications from the
16 * released version in the form of a patch file along with the binaries,
17 * 2. add special version identification to distinguish your version
18 * in addition to the base release version number,
19 * 3. provide your name and address as the primary contact for the
20 * support of your modified version, and
21 * 4. retain our contact information in regard to use of the base
22 * software.
23 * Permission to distribute the released version of the source code along
24 * with corresponding source modifications in the form of a patch file is
25 * granted with same provisions 2 through 4 for binary distributions.
26 *
27 * This software is provided "as is" without express or implied warranty
28 * to the extent permitted by applicable law.
29]*/
30
31#ifndef GNUPLOT_AXIS_H
32#define GNUPLOT_AXIS_H
33
34#include "gpc_misc.h"
35#include <stdio.h>
36/*#include "gp_types.h" */ /* for TBOOLEAN */
37
38/*#include "gadgets.h"*/
39/*#include "parse.h" */ /* for const_express() */
40/*#include "tables.h" */ /* for the axis name parse table */
41/*#include "term_api.h" */ /* for lp_style_type */
42/*#include "util.h" */ /* for int_error() */
43/****/
44
45/* typedefs / #defines */
46#ifndef TRUE
47#define TRUE -1
48#define FALSE 0
49#endif
50
51/* give some names to some array elements used in command.c and grap*.c
52 * maybe one day the relevant items in setshow will also be stored
53 * in arrays.
54 *
55 * Always keep the following conditions alive:
56 * SECOND_X_AXIS = FIRST_X_AXIS + SECOND_AXES
57 * FIRST_X_AXIS & SECOND_AXES == 0
58 */
59
60typedef enum AXIS_INDEX {
61#define FIRST_AXES 0
62 FIRST_Z_AXIS,
63 FIRST_Y_AXIS,
64 FIRST_X_AXIS,
65 T_AXIS, /* fill gap */
66#define SECOND_AXES 4
67 SECOND_Z_AXIS, /* not used, yet */
68 SECOND_Y_AXIS,
69 SECOND_X_AXIS,
70 R_AXIS, /* never used ? */
71 U_AXIS, /* dito */
72 V_AXIS /* dito */
73#ifdef PM3D
74 ,COLOR_AXIS
75#endif
76} AXIS_INDEX ;
77
78#ifdef PM3D
79# define AXIS_ARRAY_SIZE 11
80#else
81# define AXIS_ARRAY_SIZE 10
82#endif
83
84
85/* What kind of ticmarking is wanted? */
86typedef enum en_ticseries_type {
87 TIC_COMPUTED=1, /* default; gnuplot figures them */
88 TIC_SERIES, /* user-defined series */
89 TIC_USER, /* user-defined points */
90 TIC_MONTH, /* print out month names ((mo-1)%12)+1 */
91 TIC_DAY /* print out day of week */
92} t_ticseries_type;
93
94/* Defines one ticmark for TIC_USER style.
95 * If label==NULL, the value is printed with the usual format string.
96 * else, it is used as the format string (note that it may be a constant
97 * string, like "high" or "low").
98 */
99typedef struct ticmark {
100 double position; /* where on axis is this */
101 char *label; /* optional (format) string label */
102 struct ticmark *next; /* linked list */
103} ticmark;
104
105/* Tic-mark labelling definition; see set xtics */
106typedef struct ticdef {
107 t_ticseries_type type;
108 union {
109 struct ticmark *user; /* for TIC_USER */
110 struct { /* for TIC_SERIES */
111 double start, incr;
112 double end; /* ymax, if VERYLARGE */
113 } series;
114 } def;
115} t_ticdef;
116
117/* we want two auto modes for minitics - default where minitics are
118 * auto for log/time and off for linear, and auto where auto for all
119 * graphs I've done them in this order so that logscale-mode can
120 * simply test bit 0 to see if it must do the minitics automatically.
121 * similarly, conventional plot can test bit 1 to see if minitics are
122 * required */
123enum en_minitics_status {
124 MINI_OFF,
125 MINI_DEFAULT,
126 MINI_USER,
127 MINI_AUTO
128};
129
130/* Function pointer type for callback functions doing operations for a
131 * single ticmark */
132/*typedef void (*tic_callback) __PROTO((AXIS_INDEX, double, char *, struct lp_style_type ));*/
133
134/* Values to put in the axis_tics[] variables that decides where the
135 * ticmarks should be drawn: not at all, on one or both plot borders,
136 * or the zeroaxes. These look like a series of values, but TICS_MASK
137 * shows that they're actually bit masks --> don't turn into an enum
138 * */
139#define NO_TICS 0
140#define TICS_ON_BORDER 1
141#define TICS_ON_AXIS 2
142#define TICS_MASK 3
143#define TICS_MIRROR 4
144
145
146/* Need to allow user to choose grid at first and/or second axes tics.
147 * Also want to let user choose circles at x or y tics for polar grid.
148 * Also want to allow user rectangular grid for polar plot or polar
149 * grid for parametric plot. So just go for full configurability.
150 * These are bitmasks
151 */
152#define GRID_OFF 0
153#define GRID_X (1<<0)
154#define GRID_Y (1<<1)
155#define GRID_Z (1<<2)
156#define GRID_X2 (1<<3)
157#define GRID_Y2 (1<<4)
158#define GRID_MX (1<<5)
159#define GRID_MY (1<<6)
160#define GRID_MZ (1<<7)
161#define GRID_MX2 (1<<8)
162#define GRID_MY2 (1<<9)
163/* GRID_{M}CB only for PM3D, but defined always for source code readability */
164#define GRID_CB (1<<10)
165#define GRID_MCB (1<<11)
166
167/* HBB 20010610: new type for storing autoscale activity. Effectively
168 * two booleans (bits) in a single variable, so I'm using an enum with
169 * all 4 possible bit masks given readable names. */
170typedef enum e_autoscale {
171 AUTOSCALE_NONE = 0,
172 AUTOSCALE_MIN = 1<<0,
173 AUTOSCALE_MAX = 1<<1,
174 AUTOSCALE_BOTH = (1<<0 | 1 << 1),
175 AUTOSCALE_FIXMIN = 1<<2,
176 AUTOSCALE_FIXMAX = 1<<3
177} t_autoscale;
178
179
180/* HBB 20000725: gather all per-axis variables into a struct, and set up
181 * a single large array of such structs */
182/* FIXME 20000725: collect some of those various TBOOLEAN fields into
183 * a larger int (or -- shudder -- a bitfield?) */
184typedef struct axis {
185/* range of this axis */
186 t_autoscale autoscale; /* Which end(s) are autoscaled? */
187 t_autoscale set_autoscale; /* what does 'set' think autoscale to be? */
188 int range_flags; /* flag bits about autoscale/writeback: */
189 /* write auto-ed ranges back to variables for autoscale */
190#define RANGE_WRITEBACK 1
191 /* allow auto and reversed ranges */
192#define RANGE_REVERSE 2
193 TBOOLEAN reverse_range; /* range [high:low] silently reverted? */
194 double min; /* 'transient' axis extremal values */
195 double max;
196 double set_min; /* set/show 'permanent' values */
197 double set_max;
198 double writeback_min; /* ULIG's writeback implementation */
199 double writeback_max;
200
201/* output-related quantities */
202 int term_lower; /* low and high end of the axis on output, */
203 int term_upper; /* ... (in terminal coordinates)*/
204 double term_scale; /* scale factor: plot --> term coords */
205 unsigned int term_zero; /* position of zero axis */
206
207/* log axis control */
208 TBOOLEAN log; /* log axis stuff: flag "islog?" */
209 double base; /* logarithm base value */
210 double log_base; /* ln(base), for easier computations */
211
212/* time/date axis control */
213 TBOOLEAN is_timedata; /* is this a time/date axis? */
214 TBOOLEAN format_is_numeric; /* format string looks like numeric??? */
215 char timefmt[MAX_ID_LEN+1]; /* format string for input */
216 char formatstring[MAX_ID_LEN+1];
217 /* the format string for output */
218
219/* ticmark control variables */
220 int ticmode; /* tics on border/axis? mirrored? */
221 struct ticdef ticdef; /* tic series definition */
222 TBOOLEAN tic_rotate; /* ticmarks rotated (vertical text)? */
223 int minitics; /* minor tic mode (none/auto/user)? */
224 double mtic_freq; /* minitic stepsize */
225
226/* other miscellaneous fields */
227 label_struct label; /* label string and position offsets */
228 /*lp_style_type zeroaxis;*/ /* drawing style for zeroaxis, if any */
229} AXIS;
230
231#define DEFAULT_AXIS_TICDEF {TIC_COMPUTED, {NULL} }
232#ifdef PM3D
233# define DEFAULT_AXIS_ZEROAXIS {0, -3, 0, 1.0, 1.0, 0}
234#else
235# define DEFAULT_AXIS_ZEROAXIS {0, -3, 0, 1.0, 1.0}
236#endif
237#define DEFAULT_AXIS_STRUCT { \
238 AUTOSCALE_BOTH, AUTOSCALE_BOTH, /* auto, set_auto */ \
239 0, FALSE, /* range_flags, rev_range */ \
240 -10.0, 10.0, /* 3 pairs of min/max */ \
241 -10.0, 10.0, \
242 -10.0, 10.0, \
243 0, 0, 0, 0, /* terminal dependents */ \
244 FALSE, 0.0, 0.0, /* log, base, log(base) */ \
245 0, 1, /* is_timedata, format_numeric */ \
246 DEF_FORMAT, TIMEFMT, /* output format, timefmt */ \
247 NO_TICS, /* tic output positions (border, mirror) */ \
248 DEFAULT_AXIS_TICDEF, /* tic series definition */ \
249 FALSE, MINI_DEFAULT, 10, /* tic_rotate, minitics, mtic_freq */ \
250 EMPTY_LABELSTRUCT/**,**/ /* axis label */ \
251 /**DEFAULT_AXIS_ZEROAXIS**/} /* zeroaxis line style */
252
253/* Table of default behaviours --- a subset of the struct above. Only
254 * those fields are present that differ from axis to axis. */
255typedef struct axis_defaults {
256 double min; /* default axis endpoints */
257 double max;
258 char name[4]; /* axis name, like in "x2" or "t" */
259 int ticmode; /* tics on border/axis? mirrored? */
260} AXIS_DEFAULTS;
261
262
263
264/* global variables in axis.c */
265
266extern AXIS axis_array[AXIS_ARRAY_SIZE];
267extern AXIS_DEFAULTS axis_defaults[AXIS_ARRAY_SIZE];
268
269/* A parsing table for mapping axis names into axis indices. For use
270 * by the set/show machinery, mainly */
271/* NE SERT A RIEN ET DE TOUTE FACON PAS DEFINI (rz+cmv 100106)
272extern struct gen_table axisname_tbl[AXIS_ARRAY_SIZE+1];
273*/
274
275extern const struct ticdef default_axis_ticdef;
276
277extern double ticscale; /* scale factor for tic marks (was (0..1])*/
278extern double miniticscale; /* and for minitics */
279extern TBOOLEAN tic_in; /* tics to be drawn inward? */
280
281
282/* default format for tic mark labels */
283#define DEF_FORMAT "% g"
284
285/* default parse timedata string */
286#define TIMEFMT "%d/%m/%y,%H:%M"
287
288/* axis labels */
289extern const label_struct default_axis_label;
290
291/* zeroaxis linetype (flag type==-3 if none wanted) */
292
293/***extern const lp_style_type default_axis_zeroaxis;***/
294
295/* grid drawing control variables */
296extern int grid_selection;
297/***extern const struct lp_style_type default_grid_lp;***/ /* default for 'unset' */
298/***extern struct lp_style_type grid_lp;***/ /* linestyle for major grid lines */
299/***extern struct lp_style_type mgrid_lp;***/ /* linestyle for minor grid lines */
300/***extern double polar_grid_angle;***/ /* angle step in polar grid in radians */
301
302/* global variables for communication with the tic callback functions */
303
304extern int tic_start, tic_direction, tic_text,
305 rotate_tics, tic_hjust, tic_vjust, tic_mirror;
306
307/* axes being used by the current plot */
308extern AXIS_INDEX x_axis, y_axis, z_axis;
309/* macros to reduce code clutter caused by the array notation, mainly
310 * in graphics.c and fit.c */
311#define X_AXIS axis_array[x_axis]
312#define Y_AXIS axis_array[y_axis]
313#define Z_AXIS axis_array[z_axis]
314#ifdef PM3D
315#define CB_AXIS axis_array[COLOR_AXIS]
316#endif
317
318/* -------- macros using these variables: */
319
320/* Macros to map from user to terminal coordinates and back */
321#define AXIS_MAP(axis, variable) \
322 (int) ((axis_array[axis].term_lower) \
323 + ((variable) - axis_array[axis].min) \
324 * axis_array[axis].term_scale + 0.5)
325#define AXIS_MAPBACK(axis, pos) \
326 (((double)(pos)-axis_array[axis].term_lower)/axis_array[axis].term_scale \
327 + axis_array[axis].min)
328
329/* these are the old names for these: */
330#define map_x(x) AXIS_MAP(x_axis, x)
331#define map_y(y) AXIS_MAP(y_axis, y)
332
333#define AXIS_SETSCALE(axis, out_low, out_high) \
334 axis_array[axis].term_scale = ((out_high) - (out_low)) \
335 / (axis_array[axis].max - axis_array[axis].min)
336
337/* write current min/max_array contents into the set/show status
338 * variables */
339#define AXIS_WRITEBACK(axis) \
340do { \
341 AXIS *this = axis_array + axis; \
342 \
343 if (this->range_flags & RANGE_WRITEBACK) { \
344 if (this->autoscale & AUTOSCALE_MIN) \
345 this->set_min = this->min; \
346 if (this->autoscale & AUTOSCALE_MAX) \
347 this->set_max = this->max; \
348 } \
349} while(0)
350
351/* HBB 20000430: New macros, logarithmize a value into a stored
352 * coordinate*/
353#define AXIS_DO_LOG(axis,value) (log(value) / axis_array[axis].log_base)
354#define AXIS_UNDO_LOG(axis,value) exp((value) * axis_array[axis].log_base)
355
356/* HBB 20000430: same, but these test if the axis is log, first: */
357#define AXIS_LOG_VALUE(axis,value) \
358 (axis_array[axis].log ? AXIS_DO_LOG(axis,value) : (value))
359#define AXIS_DE_LOG_VALUE(axis,coordinate) \
360 (axis_array[axis].log ? AXIS_UNDO_LOG(axis,coordinate): (coordinate))
361
362
363/* copy scalar data to arrays. The difference between 3D and 2D
364 * versions is: dont know we have to support ranges [10:-10] - lets
365 * reverse it for now, then fix it at the end. */
366/* FIXME HBB 20000426: unknown if this distinction makes any sense... */
367#define AXIS_INIT3D(axis, islog_override, infinite) \
368do { \
369 AXIS *this = axis_array + axis; \
370 \
371 if ((this->autoscale = this->set_autoscale) == AUTOSCALE_NONE \
372 && this->set_max < this->set_min) { \
373 this->min = this->set_max; \
374 this->max = this->set_min; \
375 /* we will fix later */ \
376 } else { \
377 this->min = (infinite && (this->set_autoscale & AUTOSCALE_MIN)) \
378 ? VERYLARGE : this->set_min; \
379 this->max = (infinite && (this->set_autoscale & AUTOSCALE_MAX)) \
380 ? -VERYLARGE : this->set_max; \
381 } \
382 if (islog_override) { \
383 this->log = 0; \
384 this->base = 1; \
385 this->log_base = 0; \
386 } else { \
387 this->log_base = this->log ? log(this->base) : 0; \
388 } \
389} while(0)
390
391#define AXIS_INIT2D(axis, infinite) \
392do { \
393 AXIS *this = axis_array + axis; \
394 \
395 this->autoscale = this->set_autoscale; \
396 this->min = (infinite && (this->set_autoscale & AUTOSCALE_MIN)) \
397 ? VERYLARGE : this->set_min; \
398 this->max = (infinite && (this->set_autoscale & AUTOSCALE_MAX)) \
399 ? -VERYLARGE : this->set_max; \
400 this->log_base = this->log ? log(this->base) : 0; \
401} while(0)
402
403/* handle reversed ranges */
404#define CHECK_REVERSE(axis) \
405do { \
406 AXIS *this = axis_array + axis; \
407 \
408 if ((this->autoscale == AUTOSCALE_NONE) \
409 && (this->max < this->min) \
410 ) { \
411 double temp = this->min; \
412 this->min = this->max; \
413 this->max = temp; \
414 this->reverse_range = 1; \
415 } else \
416 this->reverse_range = (this->range_flags & RANGE_REVERSE); \
417} while(0)
418
419/* HBB 20000725: new macro, built upon ULIG's SAVE_WRITEBACK(axis),
420 * but easier to use. Code like this occured twice, in plot2d and
421 * plot3d: */
422#define SAVE_WRITEBACK_ALL_AXES \
423do { \
424 AXIS_INDEX axis; \
425 \
426 for (axis = 0; axis < AXIS_ARRAY_SIZE; axis++) \
427 if(axis_array[axis].range_flags & RANGE_WRITEBACK) { \
428 set_writeback_min(axis); \
429 set_writeback_max(axis); \
430 } \
431} while(0)
432
433/* get optional [min:max] */
434#define PARSE_RANGE(axis) \
435do { \
436 if (equals(c_token, "[")) { \
437 c_token++; \
438 axis_array[axis].autoscale = \
439 load_range(axis, &axis_array[axis].min, &axis_array[axis].max, \
440 axis_array[axis].autoscale); \
441 if (!equals(c_token, "]")) \
442 int_error(c_token, "']' expected"); \
443 c_token++; \
444 } \
445} while (0)
446
447/* HBB 20000430: new macro, like PARSE_RANGE, but for named ranges as
448 * in 'plot [phi=3.5:7] sin(phi)' */
449#define PARSE_NAMED_RANGE(axis, dummy_token) \
450do { \
451 if (equals(c_token, "[")) { \
452 c_token++; \
453 if (isletter(c_token)) { \
454 if (equals(c_token + 1, "=")) { \
455 dummy_token = c_token; \
456 c_token += 2; \
457 } \
458 /* oops; probably an expression with a variable: act \
459 * as if no variable name had been seen, by \
460 * fallthrough */ \
461 } \
462 axis_array[axis].autoscale = load_range(axis, &axis_array[axis].min, \
463 &axis_array[axis].max, \
464 axis_array[axis].autoscale); \
465 if (!equals(c_token, "]")) \
466 int_error(c_token, "']' expected"); \
467 c_token++; \
468 } /* first '[' */ \
469} while (0)
470
471/* parse a position of the form
472 * [coords] x, [coords] y {,[coords] z}
473 * where coords is one of first,second.graph,screen
474 * if first or second, we need to take axis_is_timedata into account
475 */
476#define GET_NUMBER_OR_TIME(store,axes,axis) \
477do { \
478 if (((axes) >= 0) && (axis_array[(axes)+(axis)].is_timedata) \
479 && isstring(c_token)) { \
480 char ss[80]; \
481 struct tm tm; \
482 quote_str(ss,c_token, 80); \
483 ++c_token; \
484 if (gstrptime(ss,axis_array[axis].timefmt,&tm)) \
485 (store) = (double) gtimegm(&tm); \
486 } else { \
487 struct value value; \
488 (store) = real(const_express(&value)); \
489 } \
490} while(0)
491
492/* This is one is very similar to GET_NUMBER_OR_TIME, but has slightly
493 * different usage: it writes out '0' in case of inparsable time data,
494 * and it's used when the target axis is fixed without a 'first' or
495 * 'second' keyword in front of it. */
496#define GET_NUM_OR_TIME(store,axis) \
497do { \
498 (store) = 0; \
499 GET_NUMBER_OR_TIME(store, FIRST_AXES, axis); \
500} while (0);
501
502/* store VALUE or log(VALUE) in STORE, set TYPE as appropriate
503 * Do OUT_ACTION or UNDEF_ACTION as appropriate
504 * adjust range provided type is INRANGE (ie dont adjust y if x is outrange
505 * VALUE must not be same as STORE
506 */
507
508#define STORE_WITH_LOG_AND_UPDATE_RANGE(STORE, VALUE, TYPE, AXIS, \
509 OUT_ACTION, UNDEF_ACTION) \
510do { \
511 /* HBB 20000726: new check, to avoid crashes with axis index -1 */ \
512 if (AXIS==-1) \
513 break; \
514 if (axis_array[AXIS].log) { \
515 if (VALUE<0.0) { \
516 TYPE = UNDEFINED; \
517 UNDEF_ACTION; \
518 break; \
519 } else if (VALUE == 0.0) { \
520 STORE = -VERYLARGE; \
521 TYPE = OUTRANGE; \
522 OUT_ACTION; \
523 break; \
524 } else { \
525 STORE = AXIS_DO_LOG(AXIS,VALUE); \
526 } \
527 } else \
528 STORE = VALUE; \
529 if (TYPE != INRANGE) \
530 break; /* don't set y range if x is outrange, for example */ \
531 if ((int)AXIS < 0) \
532 break; /* HBB 20000507: don't check range if not a coordinate */ \
533 if ( VALUE<axis_array[AXIS].min ) { \
534 if (axis_array[AXIS].autoscale & AUTOSCALE_MIN) \
535 axis_array[AXIS].min = VALUE; \
536 else { \
537 TYPE = OUTRANGE; \
538 OUT_ACTION; \
539 break; \
540 } \
541 } \
542 if ( VALUE>axis_array[AXIS].max ) { \
543 if (axis_array[AXIS].autoscale & AUTOSCALE_MAX) \
544 axis_array[AXIS].max = VALUE; \
545 else { \
546 TYPE = OUTRANGE; \
547 OUT_ACTION; \
548 } \
549 } \
550} while(0)
551
552/* use this instead empty macro arguments to work around NeXT cpp bug */
553/* if this fails on any system, we might use ((void)0) */
554#define NOOP /* */
555
556/* HBB 20000506: new macro, initializes one variable to the same
557 * value, for all axes. */
558#define INIT_AXIS_ARRAY(field, value) \
559do { \
560 int tmp; \
561 for (tmp=0; tmp<AXIS_ARRAY_SIZE; tmp++) \
562 axis_array[tmp].field=(value); \
563} while(0)
564
565/* HBB 20000506: new macro to automatically build intializer lists
566 * for arrays of AXIS_ARRAY_SIZE equal elements */
567#ifdef PM3D
568#define AXIS_ARRAY_INITIALIZER(value) { \
569 value, value, value, value, value, \
570 value, value, value, value, value /*, value*/ }
571#else
572#define AXIS_ARRAY_INITIALIZER(value) { \
573 value, value, value, value, value, \
574 value, value, value, value, value }
575#endif
576
577
578/* used by set.c */
579#define SET_DEFFORMAT(axis, flag_array) \
580 if (flag_array[axis]) { \
581 (void) strcpy(axis_array[axis].formatstring,DEF_FORMAT); \
582 axis_array[axis].format_is_numeric = 1; \
583 }
584
585
586/* 'roundoff' check tolerance: less than one hundredth of a tic mark */
587#define SIGNIF (0.01)
588/* (DFK) Watch for cancellation error near zero on axes labels */
589/* FIXME HBB 20000521: these seem not to be used much, anywhere... */
590#define CheckZero(x,tic) (fabs(x) < ((tic) * SIGNIF) ? 0.0 : (x))
591#define NearlyEqual(x,y,tic) (fabs((x)-(y)) < ((tic) * SIGNIF))
592
593
594
595/* ------------ functions exported by axis.c */
596/*t_autoscale load_range __PROTO((AXIS_INDEX, double *, double *, t_autoscale));*/
597void axis_unlog_interval(AXIS_INDEX, double *, double *, TBOOLEAN);
598/*void axis_revert_and_unlog_range __PROTO((AXIS_INDEX));*/
599/*double axis_log_value_checked __PROTO((AXIS_INDEX, double, const char *));*/
600/*void axis_checked_extend_empty_range __PROTO((AXIS_INDEX, const char *mesg));*/
601/*void timetic_format __PROTO((AXIS_INDEX, double, double));*/
602double set_tic(double, int);
603/*void setup_tics __PROTO((AXIS_INDEX, int));*/
604/*void gen_tics __PROTO((AXIS_INDEX, int, tic_callback));*/
605/*void gprintf __PROTO((char *, size_t, char *, double, double));*/
606/*void axis_output_tics __PROTO((AXIS_INDEX, int *, AXIS_INDEX, int, tic_callback));*/
607/*void axis_set_graphical_range __PROTO((AXIS_INDEX, unsigned int lower, unsigned int upper));*/
608/*TBOOLEAN axis_position_zeroaxis __PROTO((AXIS_INDEX));*/
609/*void axis_draw_2d_zeroaxis __PROTO((AXIS_INDEX, AXIS_INDEX)); */
610
611/*double get_writeback_min __PROTO((AXIS_INDEX));*/
612/*double get_writeback_max __PROTO((AXIS_INDEX));*/
613/*void set_writeback_min __PROTO((AXIS_INDEX));*/
614/*void set_writeback_max __PROTO((AXIS_INDEX));*/
615
616#endif /* GNUPLOT_AXIS_H */
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