99 lines
4.3 KiB
Ada
99 lines
4.3 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- SYSTEM.GENERIC_REAL_BLAS --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 2006, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
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-- Boston, MA 02110-1301, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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-- Package comment required ???
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generic
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type Real is digits <>;
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type Real_Vector is array (Integer range <>) of Real;
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type Real_Matrix is array (Integer range <>, Integer range <>) of Real;
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package System.Generic_Real_BLAS is
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pragma Pure;
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-- Although BLAS support is only available for IEEE single and double
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-- compatible floating-point types, this unit will accept any type
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-- and apply conversions as necessary, with possible loss of
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-- precision and range.
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No_Trans : aliased constant Character := 'N';
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Trans : aliased constant Character := 'T';
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Conj_Trans : aliased constant Character := 'C';
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-- BLAS Level 1 Subprograms and Types
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function dot
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(N : Positive;
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X : Real_Vector;
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Inc_X : Integer := 1;
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Y : Real_Vector;
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Inc_Y : Integer := 1) return Real;
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function nrm2
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(N : Natural;
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X : Real_Vector;
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Inc_X : Integer := 1) return Real;
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procedure gemv
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(Trans : access constant Character;
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M : Natural := 0;
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N : Natural := 0;
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Alpha : Real := 1.0;
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A : Real_Matrix;
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Ld_A : Positive;
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X : Real_Vector;
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Inc_X : Integer := 1; -- must be non-zero
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Beta : Real := 0.0;
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Y : in out Real_Vector;
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Inc_Y : Integer := 1); -- must be non-zero
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-- BLAS Level 3
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-- gemm s, d, c, z Matrix-matrix product of general matrices
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procedure gemm
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(Trans_A : access constant Character;
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Trans_B : access constant Character;
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M : Positive;
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N : Positive;
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K : Positive;
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Alpha : Real := 1.0;
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A : Real_Matrix;
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Ld_A : Integer;
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B : Real_Matrix;
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Ld_B : Integer;
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Beta : Real := 0.0;
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C : in out Real_Matrix;
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Ld_C : Integer);
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end System.Generic_Real_BLAS;
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