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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 /sys/vops/adot.gx
downloadiraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz
Repatch (from linux) of OSX IRAF
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+# ADOT -- Vector inner or dot product. The function value is the sum of the
+# products of each pair of elements of the input vectors.
+
+$if (datatype == ld)
+double procedure adot$t (a, b, npix)
+$else
+real procedure adot$t (a, b, npix)
+$endif
+
+PIXEL a[ARB], b[ARB]
+
+$if (datatype == ld)
+double sum
+$else
+real sum
+$endif
+
+int npix, i
+
+begin
+ sum = 0$f
+ do i = 1, npix
+ sum = sum + a[i] * b[i]
+
+ return (sum)
+end