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Diffstat (limited to 'sys/vops/aselk.gx')
| -rw-r--r-- | sys/vops/aselk.gx | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sys/vops/aselk.gx b/sys/vops/aselk.gx new file mode 100644 index 00000000..2d7c54d3 --- /dev/null +++ b/sys/vops/aselk.gx @@ -0,0 +1,21 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +# ASELK -- Vector/constant select element. The output vector is formed by +# taking successive pixels from either of the input vector or a constant, based +# on the value of the integer (boolean) selection vectors. Used to implement +# vector conditional expressions. + +procedure aselk$t (a, b, c, sel, npix) + +PIXEL a[ARB], b, c[ARB] +int sel[ARB] # IF sel[i] THEN a[i] ELSE b +int npix +int i + +begin + do i = 1, npix + if (sel[i] != 0) + c[i] = a[i] + else + c[i] = b +end |