scfx_pow10.h revision 12027
1/***************************************************************************** 2 3 Licensed to Accellera Systems Initiative Inc. (Accellera) under one or 4 more contributor license agreements. See the NOTICE file distributed 5 with this work for additional information regarding copyright ownership. 6 Accellera licenses this file to you under the Apache License, Version 2.0 7 (the "License"); you may not use this file except in compliance with the 8 License. You may obtain a copy of the License at 9 10 http://www.apache.org/licenses/LICENSE-2.0 11 12 Unless required by applicable law or agreed to in writing, software 13 distributed under the License is distributed on an "AS IS" BASIS, 14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 15 implied. See the License for the specific language governing 16 permissions and limitations under the License. 17 18 *****************************************************************************/ 19 20/***************************************************************************** 21 22 scfx_pow10.h - 23 24 Original Author: Robert Graulich, Synopsys, Inc. 25 Martin Janssen, Synopsys, Inc. 26 27 *****************************************************************************/ 28 29/***************************************************************************** 30 31 MODIFICATION LOG - modifiers, enter your name, affiliation, date and 32 changes you are making here. 33 34 Name, Affiliation, Date: 35 Description of Modification: 36 37 *****************************************************************************/ 38 39// $Log: scfx_pow10.h,v $ 40// Revision 1.1.1.1 2006/12/15 20:20:04 acg 41// SystemC 2.3 42// 43// Revision 1.3 2006/01/13 18:53:58 acg 44// Andy Goodrich: added $Log command so that CVS comments are reproduced in 45// the source. 46// 47 48#ifndef SCFX_POW10_H 49#define SCFX_POW10_H 50 51 52#include "sysc/datatypes/fx/scfx_rep.h" 53 54 55namespace sc_dt 56{ 57 58// classes defined in this module 59class scfx_pow10; 60 61 62// ---------------------------------------------------------------------------- 63// CLASS : scfx_pow10 64// 65// Class to compute (and cache) powers of 10 in arbitrary precision. 66// ---------------------------------------------------------------------------- 67 68const int SCFX_POW10_TABLE_SIZE = 32; 69 70 71class scfx_pow10 72{ 73 74public: 75 76 scfx_pow10(); 77 ~scfx_pow10(); 78 79 const scfx_rep operator() ( int ); 80 81private: 82 83 scfx_rep* pos( int ); 84 scfx_rep* neg( int ); 85 86 scfx_rep m_pos[SCFX_POW10_TABLE_SIZE]; 87 scfx_rep m_neg[SCFX_POW10_TABLE_SIZE]; 88}; 89 90} // namespace sc_dt 91 92 93#endif 94 95// Taf! 96