| # | Line 9 | Line 9 | |
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| 9 | #ifdef __cplusplus | |
| 10 | extern "C" { | |
| 11 | #endif | |
| 12 | + | /* sun calculation constants */ |
| 13 | + | extern double s_latitude; |
| 14 | + | extern double s_longitude; |
| 15 | + | extern double s_meridian; |
| 16 | ||
| 17 | extern int jdate(int month, int day); | |
| 18 | extern double stadj(int jd); | |
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