gcc/ada/s-gecobl.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --                       SYSTEM.GENERIC_COMPLEX_BLAS                        --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --         Copyright (C) 2006-2007, Free Software Foundation, Inc.          --
  10 --                                                                          --
  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.                                              --
  21 --                                                                          --
  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.                                      --
  28 --                                                                          --
  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 --  Package comment required ???
  35
  36 with Ada.Numerics.Generic_Complex_Types;
  37
  38 generic
  39    type Real is digits <>;
  40    with package Complex_Types is new Ada.Numerics.Generic_Complex_Types (Real);
  41    use Complex_Types;
  42
  43    type Complex_Vector is array (Integer range <>) of Complex;
  44    type Complex_Matrix is array (Integer range <>, Integer range <>)
  45       of Complex;
  46 package System.Generic_Complex_BLAS is
  47    pragma Pure;
  48
  49    --  Although BLAS support is only available for IEEE single and double
  50    --  compatible floating-point types, this unit will accept any type
  51    --  and apply conversions as necessary, with possible loss of
  52    --  precision and range.
  53
  54    No_Trans   : aliased constant Character := 'N';
  55    Trans      : aliased constant Character := 'T';
  56    Conj_Trans : aliased constant Character := 'C';
  57
  58    --  BLAS Level 1 Subprograms and Types
  59
  60    function dot
  61      (N     : Positive;
  62       X     : Complex_Vector;
  63       Inc_X : Integer := 1;
  64       Y     : Complex_Vector;
  65       Inc_Y : Integer := 1) return Complex;
  66
  67    function nrm2
  68      (N     : Natural;
  69       X     : Complex_Vector;
  70       Inc_X : Integer := 1) return Real;
  71
  72    procedure gemv
  73      (Trans : access constant Character;
  74       M     : Natural := 0;
  75       N     : Natural := 0;
  76       Alpha : Complex := (1.0, 0.0);
  77       A     : Complex_Matrix;
  78       Ld_A  : Positive;
  79       X     : Complex_Vector;
  80       Inc_X : Integer := 1;  -- must be non-zero
  81       Beta  : Complex := (0.0, 0.0);
  82       Y     : in out Complex_Vector;
  83       Inc_Y : Integer := 1); -- must be non-zero
  84
  85    --  BLAS Level 3
  86
  87    --  gemm   s, d, c, z  Matrix-matrix product of general matrices
  88
  89    procedure gemm
  90      (Trans_A : access constant Character;
  91       Trans_B : access constant Character;
  92       M       : Positive;
  93       N       : Positive;
  94       K       : Positive;
  95       Alpha   : Complex := (1.0, 0.0);
  96       A       : Complex_Matrix;
  97       Ld_A    : Integer;
  98       B       : Complex_Matrix;
  99       Ld_B    : Integer;
 100       Beta    : Complex := (0.0, 0.0);
 101       C       : in out Complex_Matrix;
 102       Ld_C    : Integer);
 103
 104 end System.Generic_Complex_BLAS;