Alessandro Bonazzi
8c43d5cf2f
Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
/*****************************************************************************
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TestWhiteNoiseGen.hpp
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Copyright (c) 2005 Laurent de Soras
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--- Legal stuff ---
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*Tab=3***********************************************************************/
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#if defined (TestWhiteNoiseGen_CURRENT_CODEHEADER)
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#error Recursive inclusion of TestWhiteNoiseGen code header.
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#endif
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#define TestWhiteNoiseGen_CURRENT_CODEHEADER
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#if ! defined (TestWhiteNoiseGen_CODEHEADER_INCLUDED)
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#define TestWhiteNoiseGen_CODEHEADER_INCLUDED
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/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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/*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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template <class DT>
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TestWhiteNoiseGen <DT>::TestWhiteNoiseGen ()
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: _rand_state (0)
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{
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_rand_state = reinterpret_cast <StateType> (this);
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}
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template <class DT>
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void TestWhiteNoiseGen <DT>::generate (DataType data_ptr [], long len)
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{
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assert (data_ptr != 0);
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assert (len > 0);
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const DataType one = static_cast <DataType> (1);
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const DataType mul = one / static_cast <DataType> (0x80000000UL);
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long pos = 0;
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do
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{
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const DataType x = static_cast <DataType> (_rand_state & 0xFFFFFFFFUL);
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data_ptr [pos] = x * mul - one;
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_rand_state = _rand_state * 1234567UL + 890123UL;
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++ pos;
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}
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while (pos < len);
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}
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/*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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/*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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#endif // TestWhiteNoiseGen_CODEHEADER_INCLUDED
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#undef TestWhiteNoiseGen_CURRENT_CODEHEADER
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/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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