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/*  -- translated by f2c (version 19940927).
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   You must link the resulting object file with the libraries:
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	-lf2c -lm   (in that order)
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*/
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#include "f2c.h"
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integer idamax_(integer *n, doublereal *dx, integer *incx)
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{
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    /* System generated locals */
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    integer ret_val, i__1;
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    doublereal d__1;
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    /* Local variables */
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    static doublereal dmax__;
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    static integer i, ix;
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/*     finds the index of element having max. absolute value.   
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       jack dongarra, linpack, 3/11/78.   
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       modified 3/93 to return if incx .le. 0.   
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       modified 12/3/93, array(1) declarations changed to array(*)   
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   Parameter adjustments   
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       Function Body */
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#define DX(I) dx[(I)-1]
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    ret_val = 0;
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    if (*n < 1 || *incx <= 0) {
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	return ret_val;
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    }
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    ret_val = 1;
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    if (*n == 1) {
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	return ret_val;
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    }
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    if (*incx == 1) {
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	goto L20;
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    }
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/*        code for increment not equal to 1 */
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    ix = 1;
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    dmax__ = abs(DX(1));
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    ix += *incx;
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    i__1 = *n;
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    for (i = 2; i <= *n; ++i) {
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	if ((d__1 = DX(ix), abs(d__1)) <= dmax__) {
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	    goto L5;
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	}
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	ret_val = i;
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	dmax__ = (d__1 = DX(ix), abs(d__1));
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L5:
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	ix += *incx;
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/* L10: */
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    }
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    return ret_val;
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/*        code for increment equal to 1 */
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L20:
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    dmax__ = abs(DX(1));
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    i__1 = *n;
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    for (i = 2; i <= *n; ++i) {
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	if ((d__1 = DX(i), abs(d__1)) <= dmax__) {
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	    goto L30;
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	}
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	ret_val = i;
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	dmax__ = (d__1 = DX(i), abs(d__1));
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L30:
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	;
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    }
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    return ret_val;
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} /* idamax_ */
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