1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- SYSTEM.GENERIC_REAL_LAPACK --
9 -- Copyright (C) 2006, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
22 -- As a special exception, if other files instantiate generics from this --
23 -- unit, or you link this unit with other files to produce an executable, --
24 -- this unit does not by itself cause the resulting executable to be --
25 -- covered by the GNU General Public License. This exception does not --
26 -- however invalidate any other reasons why the executable file might be --
27 -- covered by the GNU Public License. --
29 -- GNAT was originally developed by the GNAT team at New York University. --
30 -- Extensive contributions were provided by Ada Core Technologies Inc. --
32 ------------------------------------------------------------------------------
34 -- Package comment required ???
37 type Real
is digits <>;
38 type Real_Vector
is array (Integer range <>) of Real
;
39 type Real_Matrix
is array (Integer range <>, Integer range <>) of Real
;
40 package System
.Generic_Real_LAPACK
is
43 type Integer_Vector
is array (Integer range <>) of Integer;
45 Upper
: aliased constant Character := 'U';
46 Lower
: aliased constant Character := 'L';
48 -- LAPACK Computational Routines
50 -- gerfs Refines the solution of a system of linear equations with
51 -- a general matrix and estimates its error
52 -- getrf Computes LU factorization of a general m-by-n matrix
53 -- getri Computes inverse of an LU-factored general matrix
54 -- square matrix, with multiple right-hand sides
55 -- getrs Solves a system of linear equations with an LU-factored
56 -- square matrix, with multiple right-hand sides
57 -- orgtr Generates the Float orthogonal matrix Q determined by sytrd
58 -- steqr Computes all eigenvalues and eigenvectors of a symmetric or
59 -- Hermitian matrix reduced to tridiagonal form (QR algorithm)
60 -- sterf Computes all eigenvalues of a Float symmetric
61 -- tridiagonal matrix using QR algorithm
62 -- sytrd Reduces a Float symmetric matrix to tridiagonal form
67 A
: in out Real_Matrix
;
69 I_Piv
: out Integer_Vector
;
70 Info
: access Integer);
74 A
: in out Real_Matrix
;
76 I_Piv
: Integer_Vector
;
77 Work
: in out Real_Vector
;
79 Info
: access Integer);
82 (Trans
: access constant Character;
87 I_Piv
: Integer_Vector
;
88 B
: in out Real_Matrix
;
90 Info
: access Integer);
93 (Uplo
: access constant Character;
95 A
: in out Real_Matrix
;
98 Work
: out Real_Vector
;
100 Info
: access Integer);
104 D
: in out Real_Vector
;
105 E
: in out Real_Vector
;
106 Info
: access Integer);
109 (Comp_Z
: access constant Character;
111 D
: in out Real_Vector
;
112 E
: in out Real_Vector
;
113 Z
: in out Real_Matrix
;
115 Work
: out Real_Vector
;
116 Info
: access Integer);
119 (Uplo
: access constant Character;
121 A
: in out Real_Matrix
;
125 Tau
: out Real_Vector
;
126 Work
: out Real_Vector
;
128 Info
: access Integer);
130 end System
.Generic_Real_LAPACK
;