NAME

       imax1 - imax1: argmax_i | x_i | (in LAPACK)

SYNOPSIS

   Functions
       integer function icmax1 (n, cx, incx)
           ICMAX1 finds the index of the first vector element of maximum absolute value.
       integer function izmax1 (n, zx, incx)
           IZMAX1 finds the index of the first vector element of maximum absolute value.

Detailed Description

Function Documentation

   integer function icmax1 (integer n, complex, dimension(*) cx, integer incx)
       ICMAX1 finds the index of the first vector element of maximum absolute value.

       Purpose:

            ICMAX1 finds the index of the first vector element of maximum absolute value.

            Based on ICAMAX from Level 1 BLAS.
            The change is to use the 'genuine' absolute value.

       Parameters
           N

                     N is INTEGER
                     The number of elements in the vector CX.

           CX

                     CX is COMPLEX array, dimension (N)
                     The vector CX. The ICMAX1 function returns the index of its first
                     element of maximum absolute value.

           INCX

                     INCX is INTEGER
                     The spacing between successive values of CX.  INCX >= 1.

       Author
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Contributors:
           Nick Higham for use with CLACON.

   integer function izmax1 (integer n, complex*16, dimension(*) zx, integer incx)
       IZMAX1 finds the index of the first vector element of maximum absolute value.

       Purpose:

            IZMAX1 finds the index of the first vector element of maximum absolute value.

            Based on IZAMAX from Level 1 BLAS.
            The change is to use the 'genuine' absolute value.

       Parameters
           N

                     N is INTEGER
                     The number of elements in the vector ZX.

           ZX

                     ZX is COMPLEX*16 array, dimension (N)
                     The vector ZX. The IZMAX1 function returns the index of its first
                     element of maximum absolute value.

           INCX

                     INCX is INTEGER
                     The spacing between successive values of ZX.  INCX >= 1.

       Author
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Contributors:
           Nick Higham for use with ZLACON.

Author

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