/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. 

  2. static const char SCCSID[]="@(#)PJ_larr.c	4.1	94/02/15	GIE	REL";
    3. 

  3. #endif
    4. 

  4. #define PROJ_PARMS__
    5. 

  5. #define PJ_LIB__
    6. 

  6. #include	"projects.h"
    7. 

  7. PROJ_HEAD(larr, "Larrivee") "\n\tMisc Sph, no inv.";
    8. 

  8. #define SIXTH .16666666666666666
    9. 

  9. FORWARD(s_forward); /* sphere */
    10. 

  10. 	xy.x = 0.5 * lp.lam * (1. + sqrt(cos(lp.phi)));
    11. 

  11. 	xy.y = lp.phi / (cos(0.5 * lp.phi) * cos(SIXTH * lp.lam));
    12. 

  12. 	return (xy);
    13. 

  13. }
    14. 

  14. FREEUP; if (P) pj_dalloc(P); }
    15. 

  15. ENTRY0(larr) P->fwd = s_forward; P->inv = 0; P->es = 0.; ENDENTRY(P)
    16.