iamax - iamax: argmax_i | real( x_i ) | + | imag( x_i ) |

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integerfunctionicamax(integern,complex,dimension(*)cx,integerincx)ICAMAXPurpose: ICAMAX finds the index of the first element having maximum |Re(.)| + |Im(.)| ParametersN N is INTEGER number of elements in input vector(s) CX CX is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCX ) ) INCX INCX is INTEGER storage spacing between elements of CX Author Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. FurtherDetails: 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(*) integerfunctionidamax(integern,doubleprecision,dimension(*)dx,integerincx)IDAMAXPurpose: IDAMAX finds the index of the first element having maximum absolute value. ParametersN N is INTEGER number of elements in input vector(s) DX DX is DOUBLE PRECISION array, dimension ( 1 + ( N - 1 )*abs( INCX ) ) INCX INCX is INTEGER storage spacing between elements of DX Author Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. FurtherDetails: 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(*) integerfunctionisamax(integern,real,dimension(*)sx,integerincx)ISAMAXPurpose: ISAMAX finds the index of the first element having maximum absolute value. ParametersN N is INTEGER number of elements in input vector(s) SX SX is REAL array, dimension ( 1 + ( N - 1 )*abs( INCX ) ) INCX INCX is INTEGER storage spacing between elements of SX Author Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. FurtherDetails: 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(*) integerfunctionizamax(integern,complex*16,dimension(*)zx,integerincx)IZAMAXPurpose: IZAMAX finds the index of the first element having maximum |Re(.)| + |Im(.)| ParametersN N is INTEGER number of elements in input vector(s) ZX ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) ) INCX INCX is INTEGER storage spacing between elements of ZX Author Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. FurtherDetails: jack dongarra, 1/15/85. modified 3/93 to return if incx .le. 0. modified 12/3/93, array(1) declarations changed to array(*)

iamax - iamax: argmax_i | real( x_i ) | + | imag( x_i ) |

Functions integer function icamax (n, cx, incx) ICAMAX integer function idamax (n, dx, incx) IDAMAX integer function isamax (n, sx, incx) ISAMAX integer function izamax (n, zx, incx) IZAMAX