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+
+-- Copyright (C) 2002 Morgan Kaufmann Publishers, Inc
+
+-- This file is part of VESTs (Vhdl tESTs).
+
+-- VESTs is free software; you can redistribute it and/or modify it
+-- under the terms of the GNU General Public License as published by the
+-- Free Software Foundation; either version 2 of the License, or (at
+-- your option) any later version.
+
+-- VESTs is distributed in the hope that it will be useful, but WITHOUT
+-- 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
+-- along with VESTs; if not, write to the Free Software Foundation,
+-- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+entity read_transform_write_data is
+end entity read_transform_write_data;
+
+
+architecture writer of read_transform_write_data is
+begin
+
+ process is
+ type transform_file is file of real;
+ file initial_transforms : transform_file open write_mode is "transforms.ini";
+ begin
+ for i in 1 to 50 loop
+ write(initial_transforms, real(i));
+ end loop;
+ wait;
+ end process;
+
+end architecture writer;
+
+
+
+
+entity read_transform is
+end entity read_transform;
+
+
+architecture test of read_transform is
+begin
+
+ process is
+
+ -- code from book (in text)
+
+ type transform_array is array (1 to 3, 1 to 3) of real;
+ variable transform1, transform2 : transform_array;
+
+ type transform_file is file of real;
+ file initial_transforms : transform_file open read_mode is "transforms.ini";
+
+ -- end code from book
+
+ -- code from book (in Figure)
+
+ procedure read_transform ( file f : transform_file;
+ variable transform : out transform_array ) is
+ begin
+ for i in transform'range(1) loop
+ for j in transform'range(2) loop
+ if endfile(f) then
+ report "unexpected end of file in read_transform - "
+ & "some array elements not read"
+ severity error;
+ return;
+ end if;
+ read ( f, transform(i, j) );
+ end loop;
+ end loop;
+ end procedure read_transform;
+
+ -- end code from book
+
+ begin
+
+ -- code from book (in text)
+
+ read_transform ( initial_transforms, transform1 );
+ read_transform ( initial_transforms, transform2 );
+
+ -- end code from book
+
+ wait;
+ end process;
+
+end architecture test;