/*  -- translated by f2c (version 19940927).

   You must link the resulting object file with the libraries:

	-lf2c -lm   (in that order)

*/

#include "f2c.h"

real sasum_(integer *n, real *sx, integer *incx)

{

    /* System generated locals */

    integer i__1, i__2;

    real ret_val, r__1, r__2, r__3, r__4, r__5, r__6;

    /* Local variables */

    static integer i, m, nincx;

    static real stemp;

    static integer mp1;

/*     takes the sum of the absolute values.   

       uses unrolled loops for increment equal to one.   

       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 SX(I) sx[(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) {

	stemp += (r__1 = SX(i), dabs(r__1));

/* L10: */

    }

    ret_val = stemp;

    return ret_val;

/*        code for increment equal to 1   

          clean-up loop */

L20:

    m = *n % 6;

    if (m == 0) {

	goto L40;

    }

    i__2 = m;

    for (i = 1; i <= m; ++i) {

	stemp += (r__1 = SX(i), dabs(r__1));

/* L30: */

    }

    if (*n < 6) {

	goto L60;

    }

L40:

    mp1 = m + 1;

    i__2 = *n;

    for (i = mp1; i <= *n; i += 6) {

	stemp = stemp + (r__1 = SX(i), dabs(r__1)) + (r__2 = SX(i + 1), dabs(

		r__2)) + (r__3 = SX(i + 2), dabs(r__3)) + (r__4 = SX(i + 3), 

		dabs(r__4)) + (r__5 = SX(i + 4), dabs(r__5)) + (r__6 = SX(i + 

		5), dabs(r__6));

/* L50: */

    }

L60:

    ret_val = stemp;

    return ret_val;

} /* sasum_ */