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WebSVN – planix.SVN – Blame – /os/branches/feature_unix/sys/src/cmd/map/libmap/cylindrical.c – Rev 2

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#include <u.h>
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#include <libc.h>
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#include "map.h"
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int
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Xcylindrical(struct place *place, double *x, double *y)
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{
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	if(fabs(place->nlat.l) > 80.*RAD)
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		return(-1);
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	*x = - place->wlon.l;
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	*y = place->nlat.s / place->nlat.c;
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	return(1);
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}
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proj
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cylindrical(void)
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{
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	return(Xcylindrical);
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}