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authorJoe Hunkeler <jhunkeler@gmail.com>2015-08-11 16:51:37 -0400
committerJoe Hunkeler <jhunkeler@gmail.com>2015-08-11 16:51:37 -0400
commit40e5a5811c6ffce9b0974e93cdd927cbcf60c157 (patch)
tree4464880c571602d54f6ae114729bf62a89518057 /noao/onedspec/odcombine/src/generic/icaverage.x
downloadiraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <imhdr.h>
+include "../icombine.h"
+
+
+# IC_AVERAGE -- Compute the average (or summed) image line.
+# Options include a weighted average/sum.
+
+procedure ic_averages (d, m, n, wts, npts, doblank, doaverage, average)
+
+pointer d[ARB] # Data pointers
+pointer m[ARB] # Image ID pointers
+int n[npts] # Number of points
+real wts[ARB] # Weights
+int npts # Number of output points per line
+int doblank # Set blank values?
+int doaverage # Do average?
+real average[npts] # Average (returned)
+
+int i, j, k
+real sumwt, wt
+real sum
+
+include "../icombine.com"
+
+begin
+ # If no data has been excluded do the average/sum without checking
+ # the number of points and using the fact that the weights are
+ # normalized. If all the data has been excluded set the average/sum
+ # to the blank value if requested.
+
+ if (dflag == D_ALL) {
+ if (dowts) {
+ do i = 1, npts {
+ k = i - 1
+ wt = wts[Memi[m[1]+k]]
+ sum = Mems[d[1]+k] * wt
+ do j = 2, n[i] {
+ wt = wts[Memi[m[j]+k]]
+ sum = sum + Mems[d[j]+k] * wt
+ }
+ average[i] = sum
+ }
+ } else {
+ do i = 1, npts {
+ k = i - 1
+ sum = Mems[d[1]+k]
+ do j = 2, n[i]
+ sum = sum + Mems[d[j]+k]
+ if (doaverage == YES)
+ average[i] = sum / n[i]
+ else
+ average[i] = sum
+ }
+ }
+ } else if (dflag == D_NONE) {
+ if (doblank == YES) {
+ do i = 1, npts
+ average[i] = blank
+ }
+ } else {
+ if (dowts) {
+ do i = 1, npts {
+ if (n[i] > 0) {
+ k = i - 1
+ wt = wts[Memi[m[1]+k]]
+ sum = Mems[d[1]+k] * wt
+ sumwt = wt
+ do j = 2, n[i] {
+ wt = wts[Memi[m[j]+k]]
+ sum = sum + Mems[d[j]+k] * wt
+ sumwt = sumwt + wt
+ }
+ if (doaverage == YES) {
+ if (sumwt > 0)
+ average[i] = sum / sumwt
+ else {
+ sum = Mems[d[1]+k]
+ do j = 2, n[i]
+ sum = sum + Mems[d[j]+k]
+ average[i] = sum / n[i]
+ }
+ } else
+ average[i] = sum
+ } else if (doblank == YES)
+ average[i] = blank
+ }
+ } else {
+ do i = 1, npts {
+ if (n[i] > 0) {
+ k = i - 1
+ sum = Mems[d[1]+k]
+ do j = 2, n[i]
+ sum = sum + Mems[d[j]+k]
+ if (doaverage == YES)
+ average[i] = sum / n[i]
+ else
+ average[i] = sum
+ } else if (doblank == YES)
+ average[i] = blank
+ }
+ }
+ }
+end
+
+# IC_AVERAGE -- Compute the average (or summed) image line.
+# Options include a weighted average/sum.
+
+procedure ic_averagei (d, m, n, wts, npts, doblank, doaverage, average)
+
+pointer d[ARB] # Data pointers
+pointer m[ARB] # Image ID pointers
+int n[npts] # Number of points
+real wts[ARB] # Weights
+int npts # Number of output points per line
+int doblank # Set blank values?
+int doaverage # Do average?
+real average[npts] # Average (returned)
+
+int i, j, k
+real sumwt, wt
+real sum
+
+include "../icombine.com"
+
+begin
+ # If no data has been excluded do the average/sum without checking
+ # the number of points and using the fact that the weights are
+ # normalized. If all the data has been excluded set the average/sum
+ # to the blank value if requested.
+
+ if (dflag == D_ALL) {
+ if (dowts) {
+ do i = 1, npts {
+ k = i - 1
+ wt = wts[Memi[m[1]+k]]
+ sum = Memi[d[1]+k] * wt
+ do j = 2, n[i] {
+ wt = wts[Memi[m[j]+k]]
+ sum = sum + Memi[d[j]+k] * wt
+ }
+ average[i] = sum
+ }
+ } else {
+ do i = 1, npts {
+ k = i - 1
+ sum = Memi[d[1]+k]
+ do j = 2, n[i]
+ sum = sum + Memi[d[j]+k]
+ if (doaverage == YES)
+ average[i] = sum / n[i]
+ else
+ average[i] = sum
+ }
+ }
+ } else if (dflag == D_NONE) {
+ if (doblank == YES) {
+ do i = 1, npts
+ average[i] = blank
+ }
+ } else {
+ if (dowts) {
+ do i = 1, npts {
+ if (n[i] > 0) {
+ k = i - 1
+ wt = wts[Memi[m[1]+k]]
+ sum = Memi[d[1]+k] * wt
+ sumwt = wt
+ do j = 2, n[i] {
+ wt = wts[Memi[m[j]+k]]
+ sum = sum + Memi[d[j]+k] * wt
+ sumwt = sumwt + wt
+ }
+ if (doaverage == YES) {
+ if (sumwt > 0)
+ average[i] = sum / sumwt
+ else {
+ sum = Memi[d[1]+k]
+ do j = 2, n[i]
+ sum = sum + Memi[d[j]+k]
+ average[i] = sum / n[i]
+ }
+ } else
+ average[i] = sum
+ } else if (doblank == YES)
+ average[i] = blank
+ }
+ } else {
+ do i = 1, npts {
+ if (n[i] > 0) {
+ k = i - 1
+ sum = Memi[d[1]+k]
+ do j = 2, n[i]
+ sum = sum + Memi[d[j]+k]
+ if (doaverage == YES)
+ average[i] = sum / n[i]
+ else
+ average[i] = sum
+ } else if (doblank == YES)
+ average[i] = blank
+ }
+ }
+ }
+end
+
+# IC_AVERAGE -- Compute the average (or summed) image line.
+# Options include a weighted average/sum.
+
+procedure ic_averager (d, m, n, wts, npts, doblank, doaverage, average)
+
+pointer d[ARB] # Data pointers
+pointer m[ARB] # Image ID pointers
+int n[npts] # Number of points
+real wts[ARB] # Weights
+int npts # Number of output points per line
+int doblank # Set blank values?
+int doaverage # Do average?
+real average[npts] # Average (returned)
+
+int i, j, k
+real sumwt, wt
+real sum
+
+include "../icombine.com"
+
+begin
+ # If no data has been excluded do the average/sum without checking
+ # the number of points and using the fact that the weights are
+ # normalized. If all the data has been excluded set the average/sum
+ # to the blank value if requested.
+
+ if (dflag == D_ALL) {
+ if (dowts) {
+ do i = 1, npts {
+ k = i - 1
+ wt = wts[Memi[m[1]+k]]
+ sum = Memr[d[1]+k] * wt
+ do j = 2, n[i] {
+ wt = wts[Memi[m[j]+k]]
+ sum = sum + Memr[d[j]+k] * wt
+ }
+ average[i] = sum
+ }
+ } else {
+ do i = 1, npts {
+ k = i - 1
+ sum = Memr[d[1]+k]
+ do j = 2, n[i]
+ sum = sum + Memr[d[j]+k]
+ if (doaverage == YES)
+ average[i] = sum / n[i]
+ else
+ average[i] = sum
+ }
+ }
+ } else if (dflag == D_NONE) {
+ if (doblank == YES) {
+ do i = 1, npts
+ average[i] = blank
+ }
+ } else {
+ if (dowts) {
+ do i = 1, npts {
+ if (n[i] > 0) {
+ k = i - 1
+ wt = wts[Memi[m[1]+k]]
+ sum = Memr[d[1]+k] * wt
+ sumwt = wt
+ do j = 2, n[i] {
+ wt = wts[Memi[m[j]+k]]
+ sum = sum + Memr[d[j]+k] * wt
+ sumwt = sumwt + wt
+ }
+ if (doaverage == YES) {
+ if (sumwt > 0)
+ average[i] = sum / sumwt
+ else {
+ sum = Memr[d[1]+k]
+ do j = 2, n[i]
+ sum = sum + Memr[d[j]+k]
+ average[i] = sum / n[i]
+ }
+ } else
+ average[i] = sum
+ } else if (doblank == YES)
+ average[i] = blank
+ }
+ } else {
+ do i = 1, npts {
+ if (n[i] > 0) {
+ k = i - 1
+ sum = Memr[d[1]+k]
+ do j = 2, n[i]
+ sum = sum + Memr[d[j]+k]
+ if (doaverage == YES)
+ average[i] = sum / n[i]
+ else
+ average[i] = sum
+ } else if (doblank == YES)
+ average[i] = blank
+ }
+ }
+ }
+end
+
+# IC_AVERAGE -- Compute the average (or summed) image line.
+# Options include a weighted average/sum.
+
+procedure ic_averaged (d, m, n, wts, npts, doblank, doaverage, average)
+
+pointer d[ARB] # Data pointers
+pointer m[ARB] # Image ID pointers
+int n[npts] # Number of points
+real wts[ARB] # Weights
+int npts # Number of output points per line
+int doblank # Set blank values?
+int doaverage # Do average?
+double average[npts] # Average (returned)
+
+int i, j, k
+real sumwt, wt
+double sum
+
+include "../icombine.com"
+
+begin
+ # If no data has been excluded do the average/sum without checking
+ # the number of points and using the fact that the weights are
+ # normalized. If all the data has been excluded set the average/sum
+ # to the blank value if requested.
+
+ if (dflag == D_ALL) {
+ if (dowts) {
+ do i = 1, npts {
+ k = i - 1
+ wt = wts[Memi[m[1]+k]]
+ sum = Memd[d[1]+k] * wt
+ do j = 2, n[i] {
+ wt = wts[Memi[m[j]+k]]
+ sum = sum + Memd[d[j]+k] * wt
+ }
+ average[i] = sum
+ }
+ } else {
+ do i = 1, npts {
+ k = i - 1
+ sum = Memd[d[1]+k]
+ do j = 2, n[i]
+ sum = sum + Memd[d[j]+k]
+ if (doaverage == YES)
+ average[i] = sum / n[i]
+ else
+ average[i] = sum
+ }
+ }
+ } else if (dflag == D_NONE) {
+ if (doblank == YES) {
+ do i = 1, npts
+ average[i] = blank
+ }
+ } else {
+ if (dowts) {
+ do i = 1, npts {
+ if (n[i] > 0) {
+ k = i - 1
+ wt = wts[Memi[m[1]+k]]
+ sum = Memd[d[1]+k] * wt
+ sumwt = wt
+ do j = 2, n[i] {
+ wt = wts[Memi[m[j]+k]]
+ sum = sum + Memd[d[j]+k] * wt
+ sumwt = sumwt + wt
+ }
+ if (doaverage == YES) {
+ if (sumwt > 0)
+ average[i] = sum / sumwt
+ else {
+ sum = Memd[d[1]+k]
+ do j = 2, n[i]
+ sum = sum + Memd[d[j]+k]
+ average[i] = sum / n[i]
+ }
+ } else
+ average[i] = sum
+ } else if (doblank == YES)
+ average[i] = blank
+ }
+ } else {
+ do i = 1, npts {
+ if (n[i] > 0) {
+ k = i - 1
+ sum = Memd[d[1]+k]
+ do j = 2, n[i]
+ sum = sum + Memd[d[j]+k]
+ if (doaverage == YES)
+ average[i] = sum / n[i]
+ else
+ average[i] = sum
+ } else if (doblank == YES)
+ average[i] = blank
+ }
+ }
+ }
+end
+