00001 /* 00002 00003 Copyright 1996-2006 Roeland Merks 00004 00005 This file is part of Tissue Simulation Toolkit. 00006 00007 Tissue Simulation Toolkit is free software; you can redistribute 00008 it and/or modify it under the terms of the GNU General Public 00009 License as published by the Free Software Foundation; either 00010 version 2 of the License, or (at your option) any later version. 00011 00012 Tissue Simulation Toolkit is distributed in the hope that it will 00013 be useful, but WITHOUT ANY WARRANTY; without even the implied 00014 warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 00015 See the GNU General Public License for more details. 00016 00017 You should have received a copy of the GNU General Public License 00018 along with Tissue Simulation Toolkit; if not, write to the Free 00019 Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 00020 02110-1301 USA 00021 00022 */ 00023 /* sqr.h. From "Numerical recipes in C" */ 00024 00025 #ifndef _SQR_H_ 00026 #define _SQR_H_ 00027 00028 static float sqrarg; 00029 #define SQR(a) ((sqrarg=(a)) == 0.0 ? 0.0 : sqrarg*sqrarg) 00030 00031 static double dsqrarg; 00032 #define DSQR(a) ((dsqrarg=(a)) == 0.0 ? 0.0 : dsqrarg*dsqrarg) 00033 00034 #endif