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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/vops/lz/aluts.x | |
| download | iraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz | |
Initial commit
Diffstat (limited to 'sys/vops/lz/aluts.x')
| -rw-r--r-- | sys/vops/lz/aluts.x | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sys/vops/lz/aluts.x b/sys/vops/lz/aluts.x new file mode 100644 index 00000000..8af08735 --- /dev/null +++ b/sys/vops/lz/aluts.x @@ -0,0 +1,18 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +# ALUT -- Map an array using table lookup. Note that an input value of zero +# indexes the first element of the lookup table. No bounds checking is +# performed. + +procedure aluts (a, b, npix, lut) + +short a[ARB] + +short b[ARB] # output data array +short lut[ARB] # lookup table +int npix, i + +begin + do i = 1, npix + b[i] = lut[a[i]+1] +end |