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real function scasum(n,cx,incx)
c
c takes the sum of the absolute values of a complex vector and
c returns a single precision result.
c jack dongarra, linpack, 3/11/78.
c modified 3/93 to return if incx .le. 0.
c modified 12/3/93, array(1) declarations changed to array(*)
c
complex cx(*)
real stemp
integer i,incx,n,nincx
c
scasum = 0.0e0
stemp = 0.0e0
if( n.le.0 .or. incx.le.0 )return
if(incx.eq.1)go to 20
c
c code for increment not equal to 1
c
nincx = n*incx
do 10 i = 1,nincx,incx
stemp = stemp + abs(real(cx(i))) + abs(aimag(cx(i)))
10 continue
scasum = stemp
return
c
c code for increment equal to 1
c
20 do 30 i = 1,n
stemp = stemp + abs(real(cx(i))) + abs(aimag(cx(i)))
30 continue
scasum = stemp
return
end
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