------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- SYSTEM.GENERIC_REAL_BLAS -- -- -- -- S p e c -- -- -- -- Copyright (C) 2009, 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 3, 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. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- . -- -- -- -- 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;