svn-gvsig-desktop / trunk / libraries / libjni-proj4 / src / PJ_cc.c @ 7098
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#ifndef lint
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static const char SCCSID[]="@(#)PJ_cc.c 4.1 94/02/15 GIE REL"; |
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#endif
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#define PROJ_PARMS__ \
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double ap;
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#define PJ_LIB__
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#include <projects.h> |
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PROJ_HEAD(cc, "Central Cylindrical") "\n\tCyl, Sph"; |
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#define EPS10 1.e-10 |
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FORWARD(s_forward); /* spheroid */
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if (fabs(fabs(lp.phi) - HALFPI) <= EPS10) F_ERROR;
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xy.x = lp.lam; |
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xy.y = tan(lp.phi); |
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return (xy);
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} |
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INVERSE(s_inverse); /* spheroid */
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lp.phi = atan(xy.y); |
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lp.lam = xy.x; |
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return (lp);
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} |
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FREEUP; if (P) pj_dalloc(P); }
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ENTRY0(cc) P->es = 0.; P->inv = s_inverse; P->fwd = s_forward; ENDENTRY(P)
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