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/* RCSid $Id: sun.h,v 2.2 2014/07/30 17:30:27 greg Exp $ */ |
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/* |
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* Header file for solar position calculations |
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*/ |
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|
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#ifndef _RAD_SUN_H_ |
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#define _RAD_SUN_H_ |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* sun calculation constants */ |
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extern double s_latitude; |
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extern double s_longitude; |
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extern double s_meridian; |
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|
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extern int jdate(int month, int day); |
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extern double stadj(int jd); |
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extern double sdec(int jd); |
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extern double salt(double sd, double st); |
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extern double sazi(double sd, double st); |
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|
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extern double mjdate(int year, int month, int day, double hour); |
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extern double msdec(double mjd, double *stp); |
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|
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#ifdef __cplusplus |
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} |
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#endif |
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|
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#endif /* _RAD_SUN_H_ */ |
