projects / thirdparty / gcc.git / blame
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1 | ------------------------------------------------------------------------------ |
| 2 | -- -- | |
| 3 | -- GNAT RUN-TIME COMPONENTS -- | |
| 4 | -- -- | |
| 5 | -- SYSTEM.GENERIC_REAL_BLAS -- | |
| 6 | -- -- | |
| 7 | -- S p e c -- | |
| 8 | -- -- | |
| 748086b7 | 9 | -- Copyright (C) 2009, Free Software Foundation, Inc. -- |
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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- -- | |
| 748086b7 | 13 | -- ware Foundation; either version 3, or (at your option) any later ver- -- |
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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 -- | |
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16 | -- or FITNESS FOR A PARTICULAR PURPOSE. -- |
| 17 | -- -- | |
| 18 | -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
| 19 | -- additional permissions described in the GCC Runtime Library Exception, -- | |
| 20 | -- version 3.1, as published by the Free Software Foundation. -- | |
| 21 | -- -- | |
| 22 | -- You should have received a copy of the GNU General Public License and -- | |
| 23 | -- a copy of the GCC Runtime Library Exception along with this program; -- | |
| 24 | -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |
| 25 | -- <http://www.gnu.org/licenses/>. -- | |
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26 | -- -- |
| 27 | -- GNAT was originally developed by the GNAT team at New York University. -- | |
| 28 | -- Extensive contributions were provided by Ada Core Technologies Inc. -- | |
| 29 | -- -- | |
| 30 | ------------------------------------------------------------------------------ | |
| 31 | ||
| 32 | -- Package comment required ??? | |
| 33 | ||
| 34 | generic | |
| 35 | type Real is digits <>; | |
| 36 | type Real_Vector is array (Integer range <>) of Real; | |
| 37 | type Real_Matrix is array (Integer range <>, Integer range <>) of Real; | |
| 38 | package System.Generic_Real_BLAS is | |
| 39 | pragma Pure; | |
| 40 | ||
| 41 | -- Although BLAS support is only available for IEEE single and double | |
| 42 | -- compatible floating-point types, this unit will accept any type | |
| 43 | -- and apply conversions as necessary, with possible loss of | |
| 44 | -- precision and range. | |
| 45 | ||
| 46 | No_Trans : aliased constant Character := 'N'; | |
| 47 | Trans : aliased constant Character := 'T'; | |
| 48 | Conj_Trans : aliased constant Character := 'C'; | |
| 49 | ||
| 50 | -- BLAS Level 1 Subprograms and Types | |
| 51 | ||
| 52 | function dot | |
| 53 | (N : Positive; | |
| 54 | X : Real_Vector; | |
| 55 | Inc_X : Integer := 1; | |
| 56 | Y : Real_Vector; | |
| 57 | Inc_Y : Integer := 1) return Real; | |
| 58 | ||
| 59 | function nrm2 | |
| 60 | (N : Natural; | |
| 61 | X : Real_Vector; | |
| 62 | Inc_X : Integer := 1) return Real; | |
| 63 | ||
| 64 | procedure gemv | |
| 65 | (Trans : access constant Character; | |
| 66 | M : Natural := 0; | |
| 67 | N : Natural := 0; | |
| 68 | Alpha : Real := 1.0; | |
| 69 | A : Real_Matrix; | |
| 70 | Ld_A : Positive; | |
| 71 | X : Real_Vector; | |
| 72 | Inc_X : Integer := 1; -- must be non-zero | |
| 73 | Beta : Real := 0.0; | |
| 74 | Y : in out Real_Vector; | |
| 75 | Inc_Y : Integer := 1); -- must be non-zero | |
| 76 | ||
| 77 | -- BLAS Level 3 | |
| 78 | ||
| 79 | -- gemm s, d, c, z Matrix-matrix product of general matrices | |
| 80 | ||
| 81 | procedure gemm | |
| 82 | (Trans_A : access constant Character; | |
| 83 | Trans_B : access constant Character; | |
| 84 | M : Positive; | |
| 85 | N : Positive; | |
| 86 | K : Positive; | |
| 87 | Alpha : Real := 1.0; | |
| 88 | A : Real_Matrix; | |
| 89 | Ld_A : Integer; | |
| 90 | B : Real_Matrix; | |
| 91 | Ld_B : Integer; | |
| 92 | Beta : Real := 0.0; | |
| 93 | C : in out Real_Matrix; | |
| 94 | Ld_C : Integer); | |
| 95 | ||
| 96 | end System.Generic_Real_BLAS; |