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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- SYSTEM.GENERIC_COMPLEX_LAPACK --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 2006, Free Software Foundation, Inc. --
+-- --
+-- GNAT is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 2, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNAT; see file COPYING. If not, write --
+-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
+-- Boston, MA 02110-1301, USA. --
+-- --
+-- As a special exception, if other files instantiate generics from this --
+-- unit, or you link this unit with other files to produce an executable, --
+-- this unit does not by itself cause the resulting executable to be --
+-- covered by the GNU General Public License. This exception does not --
+-- however invalidate any other reasons why the executable file might be --
+-- covered by the GNU Public License. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- Package comment required ???
+
+with Ada.Numerics.Generic_Complex_Types;
+generic
+ type Real is digits <>;
+ type Real_Vector is array (Integer range <>) of Real;
+
+ with package Complex_Types is new Ada.Numerics.Generic_Complex_Types (Real);
+ use Complex_Types;
+
+ type Complex_Vector is array (Integer range <>) of Complex;
+ type Complex_Matrix is array (Integer range <>, Integer range <>)
+ of Complex;
+package System.Generic_Complex_LAPACK is
+ pragma Pure;
+
+ type Integer_Vector is array (Integer range <>) of Integer;
+
+ Upper : aliased constant Character := 'U';
+ Lower : aliased constant Character := 'L';
+
+ -- LAPACK Computational Routines
+
+ -- getrf computes LU factorization of a general m-by-n matrix
+
+ procedure getrf
+ (M : Natural;
+ N : Natural;
+ A : in out Complex_Matrix;
+ Ld_A : Positive;
+ I_Piv : out Integer_Vector;
+ Info : access Integer);
+
+ -- getri computes inverse of an LU-factored square matrix,
+ -- with multiple right-hand sides
+
+ procedure getri
+ (N : Natural;
+ A : in out Complex_Matrix;
+ Ld_A : Positive;
+ I_Piv : Integer_Vector;
+ Work : in out Complex_Vector;
+ L_Work : Integer;
+ Info : access Integer);
+
+ -- getrs solves a system of linear equations with an LU-factored
+ -- square matrix, with multiple right-hand sides
+
+ procedure getrs
+ (Trans : access constant Character;
+ N : Natural;
+ N_Rhs : Natural;
+ A : Complex_Matrix;
+ Ld_A : Positive;
+ I_Piv : Integer_Vector;
+ B : in out Complex_Matrix;
+ Ld_B : Positive;
+ Info : access Integer);
+
+ -- heevr computes selected eigenvalues and, optionally,
+ -- eigenvectors of a Hermitian matrix using the Relatively
+ -- Robust Representations
+
+ procedure heevr
+ (Job_Z : access constant Character;
+ Rng : access constant Character;
+ Uplo : access constant Character;
+ N : Natural;
+ A : in out Complex_Matrix;
+ Ld_A : Positive;
+ Vl, Vu : Real := 0.0;
+ Il, Iu : Integer := 1;
+ Abs_Tol : Real := 0.0;
+ M : out Integer;
+ W : out Real_Vector;
+ Z : out Complex_Matrix;
+ Ld_Z : Positive;
+ I_Supp_Z : out Integer_Vector;
+ Work : out Complex_Vector;
+ L_Work : Integer;
+ R_Work : out Real_Vector;
+ LR_Work : Integer;
+ I_Work : out Integer_Vector;
+ LI_Work : Integer;
+ Info : access Integer);
+
+ -- steqr computes all eigenvalues and eigenvectors of a symmetric or
+ -- Hermitian matrix reduced to tridiagonal form (QR algorithm)
+
+ procedure steqr
+ (Comp_Z : access constant Character;
+ N : Natural;
+ D : in out Real_Vector;
+ E : in out Real_Vector;
+ Z : in out Complex_Matrix;
+ Ld_Z : Positive;
+ Work : out Real_Vector;
+ Info : access Integer);
+
+end System.Generic_Complex_LAPACK;