Source module last modified on Thu, 2 Jul 1998, 23:17;
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for2html on Sun, 23 Jun 2002, 15:10.
real function scasum(n,cx,incx)
#
# takes the sum of the absolute values of a complex vector and
# returns a single precision result.
# jack dongarra, linpack, 3/11/78.
# modified 3/93 to return if incx .le. 0.
# modified 12/3/93, array(1) declarations changed to array(*)
#
complex cx(*)
real stemp
integer i,incx,n,nincx
#
scasum = 0.0e0
stemp = 0.0e0
if( n<=0 || incx<=0 )return
if(incx==1)go to 20
#
# code for increment not equal to 1
#
nincx = n*incx
do 10 i = 1,nincx,incx
stemp = stemp + abs(real(cx(i))) + abs(aimag(cx(i)))
10 continue
scasum = stemp
return
#
# code for increment equal to 1
#
20 do 30 i = 1,n
stemp = stemp + abs(real(cx(i))) + abs(aimag(cx(i)))
30 continue
scasum = stemp
return
end