svn-gvsig-desktop / tags / tmp_build_del / libraries / libjni-proj4 / src / PJ_eck5.c @ 38629
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#ifndef lint
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static const char SCCSID[]="@(#)PJ_eck5.c 4.1 94/02/15 GIE REL"; |
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#endif
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#define PJ_LIB__
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# include <projects.h> |
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PROJ_HEAD(eck5, "Eckert V") "\n\tPCyl, Sph."; |
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#define XF 0.44101277172455148219 |
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#define RXF 2.26750802723822639137 |
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#define YF 0.88202554344910296438 |
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#define RYF 1.13375401361911319568 |
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FORWARD(s_forward); /* spheroid */
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xy.x = XF * (1. + cos(lp.phi)) * lp.lam;
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xy.y = YF * 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.lam = RXF * xy.x / (1. + cos( lp.phi = RYF * xy.y));
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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(eck5); P->es = 0.; P->inv = s_inverse; P->fwd = s_forward; ENDENTRY(P)
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