iamax(3) Library Functions Manual iamax(3) NAME iamax - iamax: argmax_i | real( x_i ) | + | imag( x_i ) | SYNOPSIS 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 Detailed Description Function Documentation integer function icamax (integer n, complex, dimension(*) cx, integer incx) ICAMAX Purpose: !> !> ICAMAX finds the index of the first element having maximum |Re(.)| + |Im(.)| !> Parameters N !> 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. Further Details: !> !> 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(*) !> Definition at line 70 of file icamax.f. integer function idamax (integer n, double precision, dimension(*) dx, integer incx) IDAMAX Purpose: !> !> IDAMAX finds the index of the first element having maximum absolute value. !> Parameters N !> 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. Further Details: !> !> 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(*) !> Definition at line 70 of file idamax.f. integer function isamax (integer n, real, dimension(*) sx, integer incx) ISAMAX Purpose: !> !> ISAMAX finds the index of the first element having maximum absolute value. !> Parameters N !> 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. Further Details: !> !> 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(*) !> Definition at line 70 of file isamax.f. integer function izamax (integer n, complex*16, dimension(*) zx, integer incx) IZAMAX Purpose: !> !> IZAMAX finds the index of the first element having maximum |Re(.)| + |Im(.)| !> Parameters N !> 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. Further Details: !> !> jack dongarra, 1/15/85. !> modified 3/93 to return if incx .le. 0. !> modified 12/3/93, array(1) declarations changed to array(*) !> Definition at line 70 of file izamax.f. Author Generated automatically by Doxygen for LAPACK from the source code. LAPACK Version 3.12.0 iamax(3)