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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/adot.gx | |
| download | iraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz | |
Initial commit
Diffstat (limited to 'sys/vops/adot.gx')
| -rw-r--r-- | sys/vops/adot.gx | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sys/vops/adot.gx b/sys/vops/adot.gx new file mode 100644 index 00000000..baadd952 --- /dev/null +++ b/sys/vops/adot.gx @@ -0,0 +1,28 @@ +# 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 |