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| author | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
|---|---|---|
| committer | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
| commit | fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch) | |
| tree | bdda434976bc09c864f2e4fa6f16ba1952b1e555 /unix/boot/spp/rpp/ratlibf/wkday.f | |
| download | iraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz | |
Initial commit
Diffstat (limited to 'unix/boot/spp/rpp/ratlibf/wkday.f')
| -rw-r--r-- | unix/boot/spp/rpp/ratlibf/wkday.f | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/unix/boot/spp/rpp/ratlibf/wkday.f b/unix/boot/spp/rpp/ratlibf/wkday.f new file mode 100644 index 00000000..69d80796 --- /dev/null +++ b/unix/boot/spp/rpp/ratlibf/wkday.f @@ -0,0 +1,14 @@ + integer function wkday (month, day, year) + integer month, day, year + integer lmonth, lday, lyear + lmonth = month - 2 + lday = day + lyear = year + if (.not.(lmonth .le. 0))goto 23000 + lmonth = lmonth + 12 + lyear = lyear - 1 +23000 continue + wkday = mod (lday + (26 * lmonth - 2) / 10 + lyear + lyear / 4 - 3 + *4, 7) + 1 + return + end |