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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
# ARCP -- Reciprocal of a constant divided by a vector. No divide by zero
# checking is performed.
procedure arcpd (a, b, c, npix)
double a # constant numerator
double b[ARB] # vector denominator
double c[ARB] # output vector
int npix
int i
begin
if (a == 0.0D0) {
call aclrd (c, npix)
} else if (a == 1.0D0) {
do i = 1, npix
c[i] = 1.0D0 / b[i]
} else {
do i = 1, npix
c[i] = a / b[i]
}
end
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