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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 /sys/gio/aelogd.x | |
| download | iraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz | |
Initial commit
Diffstat (limited to 'sys/gio/aelogd.x')
| -rw-r--r-- | sys/gio/aelogd.x | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sys/gio/aelogd.x b/sys/gio/aelogd.x new file mode 100644 index 00000000..0a3d3b26 --- /dev/null +++ b/sys/gio/aelogd.x @@ -0,0 +1,16 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +# AELOGD -- Inverse of the elogd function. + +double procedure aelogd (x) + +double x + +begin + if (x > 1.0D0) + return (10.0D0 ** x) + else if (x >= -1.0D0) + return (x * 10.0D0) + else + return (- (10.0D0 ** (-x))) +end |