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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 /noao/digiphot/apphot/aputil/apbsmooth.x | |
| download | iraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz | |
Initial commit
Diffstat (limited to 'noao/digiphot/apphot/aputil/apbsmooth.x')
| -rw-r--r-- | noao/digiphot/apphot/aputil/apbsmooth.x | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/noao/digiphot/apphot/aputil/apbsmooth.x b/noao/digiphot/apphot/aputil/apbsmooth.x new file mode 100644 index 00000000..28c53c00 --- /dev/null +++ b/noao/digiphot/apphot/aputil/apbsmooth.x @@ -0,0 +1,33 @@ +# AP_BSMOOTH - Box car smooth a histogram 1, 2 or 3 times. + +procedure ap_bsmooth (hgm, shgm, nbins, nker, iter) + +real hgm[ARB] # the original histogram +real shgm[ARB] # the smoothed histogram +int nbins # length of the histogram +int nker # half width of box kernel +int iter # number of iterations + +pointer sp, work1, work2 + +begin + # Smooth the histogram + switch (iter) { + case 1: + call ap_sboxr (hgm, shgm, nbins, nker) + case 2: + call smark (sp) + call salloc (work1, nbins, TY_REAL) + call ap_sboxr (hgm, Memr[work1], nbins, nker) + call ap_sboxr (Memr[work1], shgm, nbins, nker) + call sfree (sp) + default: + call smark (sp) + call salloc (work1, nbins, TY_REAL) + call salloc (work2, nbins, TY_REAL) + call ap_sboxr (hgm, Memr[work1], nbins, nker) + call ap_sboxr (Memr[work1], Memr[work2], nbins, nker) + call ap_sboxr (Memr[work2], shgm, nbins, nker) + call sfree (sp) + } +end |