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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- SYSTEM.GENERIC_REAL_BLAS --
-- --
-- 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 ???
generic
type Real is digits <>;
type Real_Vector is array (Integer range <>) of Real;
type Real_Matrix is array (Integer range <>, Integer range <>) of Real;
package System.Generic_Real_BLAS is
pragma Pure;
-- Although BLAS support is only available for IEEE single and double
-- compatible floating-point types, this unit will accept any type
-- and apply conversions as necessary, with possible loss of
-- precision and range.
No_Trans : aliased constant Character := 'N';
Trans : aliased constant Character := 'T';
Conj_Trans : aliased constant Character := 'C';
-- BLAS Level 1 Subprograms and Types
function dot
(N : Positive;
X : Real_Vector;
Inc_X : Integer := 1;
Y : Real_Vector;
Inc_Y : Integer := 1) return Real;
function nrm2
(N : Natural;
X : Real_Vector;
Inc_X : Integer := 1) return Real;
procedure gemv
(Trans : access constant Character;
M : Natural := 0;
N : Natural := 0;
Alpha : Real := 1.0;
A : Real_Matrix;
Ld_A : Positive;
X : Real_Vector;
Inc_X : Integer := 1; -- must be non-zero
Beta : Real := 0.0;
Y : in out Real_Vector;
Inc_Y : Integer := 1); -- must be non-zero
-- BLAS Level 3
-- gemm s, d, c, z Matrix-matrix product of general matrices
procedure gemm
(Trans_A : access constant Character;
Trans_B : access constant Character;
M : Positive;
N : Positive;
K : Positive;
Alpha : Real := 1.0;
A : Real_Matrix;
Ld_A : Integer;
B : Real_Matrix;
Ld_B : Integer;
Beta : Real := 0.0;
C : in out Real_Matrix;
Ld_C : Integer);
end System.Generic_Real_BLAS;
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