/usr/include/wcstools/wcslib.h is in libwcstools-dev 3.9.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 | #ifndef wcslib_h_
#define wcslib_h_
/*=============================================================================
*
* WCSLIB - an implementation of the FITS WCS proposal.
* Copyright (C) 1995-2002, Mark Calabretta
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Correspondence concerning WCSLIB may be directed to:
* Internet email: mcalabre@atnf.csiro.au
* Postal address: Dr. Mark Calabretta,
* Australia Telescope National Facility,
* P.O. Box 76,
* Epping, NSW, 2121,
* AUSTRALIA
*
* Author: Mark Calabretta, Australia Telescope National Facility
* $Id: wcs.h,v 2.9 2002/04/03 01:25:29 mcalabre Exp $
*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
#if !defined(__STDC__) && !defined(__cplusplus)
#ifndef const
#define const
#endif
#endif
#define MAXPV 100
#define WCS_NGRIDPOINTS 12 /* Number of WCS grid points / axis */
#define WCS_NGRIDPOINTS2 (WCS_NGRIDPOINTS*WCS_NGRIDPOINTS)
#define WCS_INVMAXDEG 9 /* Maximum inversion polynom degree */
#define WCS_INVACCURACY 0.04 /* Maximum inversion error (pixels) */
#define WCS_NRANGEPOINTS 32 /* Number of WCS range points / axis */
#ifndef PI
#define PI 3.1415926535898 /* never met before? */
#endif
/* DEG/ARCSEC is now D2S and ARCSEC/DEG is S2D */
/* #define DEG (PI/180.0) 1 deg in radians */
/* #define ARCSEC (DEG/3600.0) 1 arcsec in radians */
#define NAXISPV 2
/* poly.h
*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
* Part of: A program using polynomial fits
* Author: E.BERTIN (IAP)
* Contents: Include for poly.c
* Last modified: 03/03/2004
*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
*/
#ifndef _POLY_H_
#define _POLY_H_
/*--------------------------------- constants -------------------------------*/
#define POLY_MAXDIM 4 /* Max dimensionality of polynom */
#define POLY_MAXDEGREE 10 /* Max degree of the polynom */
/*---------------------------------- macros ---------------------------------*/
/*--------------------------- structure definitions -------------------------*/
typedef struct poly
{
double *basis; /* Current values of the basis functions */
double *coeff; /* Polynom coefficients */
int ncoeff; /* Number of coefficients */
int *group; /* Groups */
int ndim; /* dimensionality of the polynom */
int *degree; /* Degree in each group */
int ngroup; /* Number of different groups */
} polystruct;
/*---------------------------------- protos --------------------------------*/
extern polystruct *poly_init(int *group,int ndim,int *degree,int ngroup);
extern double poly_func(polystruct *poly, double *pos);
extern int cholsolve(double *a, double *b, int n),
*poly_powers(polystruct *poly);
extern void poly_addcste(polystruct *poly, double *cste),
poly_end(polystruct *poly),
poly_fit(polystruct *poly, double *x, double *y,
double *w, int ndata, double *extbasis),
poly_solve(double *a, double *b, int n),
svdsolve(double *a, double *b, int m, int n,
double *vmat, double *wmat);
#endif
extern int npcode;
extern char pcodes[26][4];
struct prjprm {
char code[4];
int flag;
double phi0, theta0;
double r0;
double p[10];
double w[20];
int n;
int npv;
double ppv[2*MAXPV];
struct poly *inv_x;
struct poly *inv_y;
#if __STDC__ || defined(__cplusplus)
int (*prjfwd)(const double, const double,
struct prjprm *,
double *, double *);
int (*prjrev)(const double, const double,
struct prjprm *,
double *, double *);
#else
int (*prjfwd)();
int (*prjrev)();
#endif
};
#if __STDC__ || defined(__cplusplus)
int prjset(const char [], struct prjprm *);
int prjfwd(const double, const double, struct prjprm *, double *, double *);
int prjrev(const double, const double, struct prjprm *, double *, double *);
int azpset(struct prjprm *);
int azpfwd(const double, const double, struct prjprm *, double *, double *);
int azprev(const double, const double, struct prjprm *, double *, double *);
int szpset(struct prjprm *);
int szpfwd(const double, const double, struct prjprm *, double *, double *);
int szprev(const double, const double, struct prjprm *, double *, double *);
int tanset(struct prjprm *);
int tanfwd(const double, const double, struct prjprm *, double *, double *);
int tanrev(const double, const double, struct prjprm *, double *, double *);
int stgset(struct prjprm *);
int stgfwd(const double, const double, struct prjprm *, double *, double *);
int stgrev(const double, const double, struct prjprm *, double *, double *);
int sinset(struct prjprm *);
int sinfwd(const double, const double, struct prjprm *, double *, double *);
int sinrev(const double, const double, struct prjprm *, double *, double *);
int arcset(struct prjprm *);
int arcfwd(const double, const double, struct prjprm *, double *, double *);
int arcrev(const double, const double, struct prjprm *, double *, double *);
int zpnset(struct prjprm *);
int zpnfwd(const double, const double, struct prjprm *, double *, double *);
int zpnrev(const double, const double, struct prjprm *, double *, double *);
int zeaset(struct prjprm *);
int zeafwd(const double, const double, struct prjprm *, double *, double *);
int zearev(const double, const double, struct prjprm *, double *, double *);
int airset(struct prjprm *);
int airfwd(const double, const double, struct prjprm *, double *, double *);
int airrev(const double, const double, struct prjprm *, double *, double *);
int cypset(struct prjprm *);
int cypfwd(const double, const double, struct prjprm *, double *, double *);
int cyprev(const double, const double, struct prjprm *, double *, double *);
int ceaset(struct prjprm *);
int ceafwd(const double, const double, struct prjprm *, double *, double *);
int cearev(const double, const double, struct prjprm *, double *, double *);
int carset(struct prjprm *);
int carfwd(const double, const double, struct prjprm *, double *, double *);
int carrev(const double, const double, struct prjprm *, double *, double *);
int merset(struct prjprm *);
int merfwd(const double, const double, struct prjprm *, double *, double *);
int merrev(const double, const double, struct prjprm *, double *, double *);
int sflset(struct prjprm *);
int sflfwd(const double, const double, struct prjprm *, double *, double *);
int sflrev(const double, const double, struct prjprm *, double *, double *);
int parset(struct prjprm *);
int parfwd(const double, const double, struct prjprm *, double *, double *);
int parrev(const double, const double, struct prjprm *, double *, double *);
int molset(struct prjprm *);
int molfwd(const double, const double, struct prjprm *, double *, double *);
int molrev(const double, const double, struct prjprm *, double *, double *);
int aitset(struct prjprm *);
int aitfwd(const double, const double, struct prjprm *, double *, double *);
int aitrev(const double, const double, struct prjprm *, double *, double *);
int copset(struct prjprm *);
int copfwd(const double, const double, struct prjprm *, double *, double *);
int coprev(const double, const double, struct prjprm *, double *, double *);
int coeset(struct prjprm *);
int coefwd(const double, const double, struct prjprm *, double *, double *);
int coerev(const double, const double, struct prjprm *, double *, double *);
int codset(struct prjprm *);
int codfwd(const double, const double, struct prjprm *, double *, double *);
int codrev(const double, const double, struct prjprm *, double *, double *);
int cooset(struct prjprm *);
int coofwd(const double, const double, struct prjprm *, double *, double *);
int coorev(const double, const double, struct prjprm *, double *, double *);
int bonset(struct prjprm *);
int bonfwd(const double, const double, struct prjprm *, double *, double *);
int bonrev(const double, const double, struct prjprm *, double *, double *);
int pcoset(struct prjprm *);
int pcofwd(const double, const double, struct prjprm *, double *, double *);
int pcorev(const double, const double, struct prjprm *, double *, double *);
int tscset(struct prjprm *);
int tscfwd(const double, const double, struct prjprm *, double *, double *);
int tscrev(const double, const double, struct prjprm *, double *, double *);
int cscset(struct prjprm *);
int cscfwd(const double, const double, struct prjprm *, double *, double *);
int cscrev(const double, const double, struct prjprm *, double *, double *);
int qscset(struct prjprm *);
int qscfwd(const double, const double, struct prjprm *, double *, double *);
int qscrev(const double, const double, struct prjprm *, double *, double *);
int raw_to_pv(struct prjprm *prj, double x, double y, double *xo, double *yo);
#else
int prjset(), prjfwd(), prjrev();
int azpset(), azpfwd(), azprev();
int szpset(), szpfwd(), szprev();
int tanset(), tanfwd(), tanrev();
int stgset(), stgfwd(), stgrev();
int sinset(), sinfwd(), sinrev();
int arcset(), arcfwd(), arcrev();
int zpnset(), zpnfwd(), zpnrev();
int zeaset(), zeafwd(), zearev();
int airset(), airfwd(), airrev();
int cypset(), cypfwd(), cyprev();
int ceaset(), ceafwd(), cearev();
int carset(), carfwd(), carrev();
int merset(), merfwd(), merrev();
int sflset(), sflfwd(), sflrev();
int parset(), parfwd(), parrev();
int molset(), molfwd(), molrev();
int aitset(), aitfwd(), aitrev();
int copset(), copfwd(), coprev();
int coeset(), coefwd(), coerev();
int codset(), codfwd(), codrev();
int cooset(), coofwd(), coorev();
int bonset(), bonfwd(), bonrev();
int pcoset(), pcofwd(), pcorev();
int tscset(), tscfwd(), tscrev();
int cscset(), cscfwd(), cscrev();
int qscset(), qscfwd(), qscrev();
int raw_to_pv();
#endif
extern const char *prjset_errmsg[];
extern const char *prjfwd_errmsg[];
extern const char *prjrev_errmsg[];
#define PRJSET 137
struct celprm {
int flag;
double ref[4];
double euler[5];
};
#if __STDC__ || defined(__cplusplus)
int celset(const char *, struct celprm *, struct prjprm *);
int celfwd(const char *,
const double, const double,
struct celprm *,
double *, double *,
struct prjprm *,
double *, double *);
int celrev(const char *,
const double, const double,
struct prjprm *,
double *, double *,
struct celprm *,
double *, double *);
#else
int celset(), celfwd(), celrev();
#endif
extern const char *celset_errmsg[];
extern const char *celfwd_errmsg[];
extern const char *celrev_errmsg[];
#define CELSET 137
struct linprm {
int flag;
int naxis;
double *crpix;
double *pc;
double *cdelt;
/* Intermediates. */
double *piximg;
double *imgpix;
};
#if __STDC__ || defined(__cplusplus)
int linset(struct linprm *);
int linfwd(const double[], struct linprm *, double[]);
int linrev(const double[], struct linprm *, double[]);
int matinv(const int, const double [], double []);
#else
int linset(), linfwd(), linrev(), matinv();
#endif
extern const char *linset_errmsg[];
extern const char *linfwd_errmsg[];
extern const char *linrev_errmsg[];
#define LINSET 137
struct wcsprm {
int flag;
char pcode[4];
char lngtyp[5], lattyp[5];
int lng, lat;
int cubeface;
};
#if __STDC__ || defined(__cplusplus)
int wcsset(const int,
const char[][9],
struct wcsprm *);
int wcsfwd(const char[][9],
struct wcsprm *,
const double[],
const double[],
struct celprm *,
double *,
double *,
struct prjprm *,
double[],
struct linprm *,
double[]);
int wcsrev(const char[][9],
struct wcsprm *,
const double[],
struct linprm *,
double[],
struct prjprm *,
double *,
double *,
const double[],
struct celprm *,
double[]);
int wcsmix(const char[][9],
struct wcsprm *,
const int,
const int,
const double[],
const double,
int,
double[],
const double[],
struct celprm *,
double *,
double *,
struct prjprm *,
double[],
struct linprm *,
double[]);
#else
int wcsset(), wcsfwd(), wcsrev(), wcsmix();
#endif
extern const char *wcsset_errmsg[];
extern const char *wcsfwd_errmsg[];
extern const char *wcsrev_errmsg[];
extern const char *wcsmix_errmsg[];
#define WCSSET 137
#if __STDC__ || defined(__cplusplus)
int sphfwd(const double, const double,
const double [],
double *, double *);
int sphrev(const double, const double,
const double [],
double *, double *);
#else
int sphfwd(), sphrev();
#endif
#ifdef PI
#undef PI
#endif
#ifdef D2R
#undef D2R
#endif
#ifdef R2D
#undef R2D
#endif
#ifdef SQRT2
#undef SQRT2
#endif
#ifdef SQRT2INV
#undef SQRT2INV
#endif
#ifdef D2S
#undef D2S
#endif
#ifdef S2D
#undef S2D
#endif
#define PI 3.141592653589793238462643
#define D2R PI/180.0
#define R2D 180.0/PI
#define S2D 1.0/3600.0
#define D2S 3600.0
#define SQRT2 1.4142135623730950488
#define SQRT2INV 1.0/SQRT2
#if !defined(__STDC__) && !defined(__cplusplus)
#ifndef const
#define const
#endif
#endif
#if __STDC__ || defined(__cplusplus)
double cosdeg(const double);
double sindeg(const double);
double tandeg(const double);
double acosdeg(const double);
double asindeg(const double);
double atandeg(const double);
double atan2deg(const double, const double);
#else
double cosdeg();
double sindeg();
double tandeg();
double acosdeg();
double asindeg();
double atandeg();
double atan2deg();
#endif
/* Domain tolerance for asin and acos functions. */
#define WCSTRIG_TOL 1e-10
#ifdef __cplusplus
}
#endif
#endif /* wcslib_h_ */
/* Feb 3 2000 Doug Mink - Make cplusplus ifdefs for braces all-inclusive
*
* Feb 15 2001 Doug Mink - Undefine math constants if already defined
* Sep 19 2001 Doug Mink - Update for WCSLIB 2.7, especially proj.h and cel.h
*
* Mar 12 2002 Doug Mink - Update for WCSLIB 2.8.2, especially proj.h
* Nov 29 2006 Doug Mink - Drop semicolon at end of C++ ifdef
* Jan 4 2007 Doug Mink - Drop extra declarations of SZP subroutines
*
* Mar 30 2011 Doug Mink - Add raw_to_pv() subroutine for SCAMP from Ed Los
*/
|