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/Proj4/PJ_larr.c

http://github.com/route-me/route-me
C | 15 lines | 15 code | 0 blank | 0 comment | 1 complexity | 01e5a2d039a2cc4e4fc4ac4e88b809f5 MD5 | raw file
  1. #ifndef lint
  2. static const char SCCSID[]="@(#)PJ_larr.c 4.1 94/02/15 GIE REL";
  3. #endif
  4. #define PROJ_PARMS__
  5. #define PJ_LIB__
  6. #include "projects.h"
  7. PROJ_HEAD(larr, "Larrivee") "\n\tMisc Sph, no inv.";
  8. #define SIXTH .16666666666666666
  9. FORWARD(s_forward); /* sphere */
  10. xy.x = 0.5 * lp.lam * (1. + sqrt(cos(lp.phi)));
  11. xy.y = lp.phi / (cos(0.5 * lp.phi) * cos(SIXTH * lp.lam));
  12. return (xy);
  13. }
  14. FREEUP; if (P) pj_dalloc(P); }
  15. ENTRY0(larr) P->fwd = s_forward; P->inv = 0; P->es = 0.; ENDENTRY(P)