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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
# ASEL -- Vector select element. The output vector is formed by taking
# successive pixels from either of the two input vectors, based on the value
# of the integer (boolean) selection vectors. Used to implement vector
# conditional expressions.
procedure aseld (a, b, c, sel, npix)
double a[ARB], b[ARB], c[ARB]
int sel[ARB] # IF sel[i] THEN a[i] ELSE b[i]
int npix
int i
begin
do i = 1, npix
if (sel[i] != 0)
c[i] = a[i]
else
c[i] = b[i]
end
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