43 lines
1.3 KiB
Plaintext
43 lines
1.3 KiB
Plaintext
--- ../work/gctpc/source/cproj.h Fri Nov 19 14:32:06 1993
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+++ cproj.h Sun Feb 11 12:32:19 2001
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@@ -1,3 +1,6 @@
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+#ifndef INCLUDED_CPROJ_H
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+#define INCLUDED_CPROJ_H
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+
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#include <math.h>
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#define PI 3.141592653589793238
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@@ -26,3 +29,32 @@
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#define IMOD(A, B) (A) - (((A) / (B)) * (B)) /* Integer mod function */
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+/* Not part of the original gctpc distribution. */
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+
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+#ifdef NEED_SINCOS
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+void
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+sincos(double val, double *sin_val, double *cos_val);
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+#endif
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+
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+double asinz (double con);
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+double msfnz (double eccent, double sinphi, double cosphi);
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+double qsfnz (double eccent, double sinphi, double cosphi);
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+double phi1z (double eccent, double qs, long int *flag);
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+double phi2z(double eccent, double ts, long int *flag);
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+double phi3z(double ml, double e0, double e1, double e2, double e3, long int *flag);
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+double phi4z (double eccent, double e0, double e1, double e2, double e3,
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+ double a, double b, double *c, double *phi);
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+double pakcz(double pak);
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+double pakr2dm(double pak);
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+double tsfnz(double eccent, double phi, double sinphi);
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+int sign(double x);
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+double adjust_lon(double x);
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+double e0fn(double x);
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+double e1fn(double x);
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+double e2fn(double x);
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+double e3fn(double x);
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+double e4fn(double x);
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+double mlfn(double e0, double e1, double e2, double e3, double phi);
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+long calc_utm_zone(double lon);
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+
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+#endif // INCLUDED_CPROJ_H
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