/* -- translated by f2c (version 19940927).
You must link the resulting object file with the libraries:
-lf2c -lm (in that order)
*/
#include "f2c.h"
real scasum_(integer *n, complex *cx, integer *incx)
{
/* System generated locals */
integer i__1, i__2, i__3;
real ret_val, r__1, r__2;
/* Builtin functions */
double r_imag(complex *);
/* Local variables */
static integer i, nincx;
static real stemp;
/* 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(*)
Parameter adjustments
Function Body */
#define CX(I) cx[(I)-1]
ret_val = 0.f;
stemp = 0.f;
if (*n <= 0 || *incx <= 0) {
return ret_val;
}
if (*incx == 1) {
goto L20;
}
/* code for increment not equal to 1 */
nincx = *n * *incx;
i__1 = nincx;
i__2 = *incx;
for (i = 1; *incx < 0 ? i >= nincx : i <= nincx; i += *incx) {
i__3 = i;
stemp = stemp + (r__1 = CX(i).r, dabs(r__1)) + (r__2 = r_imag(&CX(
i)), dabs(r__2));
/* L10: */
}
ret_val = stemp;
return ret_val;
/* code for increment equal to 1 */
L20:
i__2 = *n;
for (i = 1; i <= *n; ++i) {
i__1 = i;
stemp = stemp + (r__1 = CX(i).r, dabs(r__1)) + (r__2 = r_imag(&CX(
i)), dabs(r__2));
/* L30: */
}
ret_val = stemp;
return ret_val;
} /* scasum_ */