//$Header$ //------------------------------------------------------------------------------------------------- //This file is part of "David T. Ashley's Shared Source Code", a set of shared components //integrated into many of David T. Ashley's projects. //------------------------------------------------------------------------------------------------- //This source code and any program in which it is compiled/used is provided under the MIT License, //reproduced below. //------------------------------------------------------------------------------------------------- //Permission is hereby granted, free of charge, to any person obtaining a copy of //this software and associated documentation files(the "Software"), to deal in the //Software without restriction, including without limitation the rights to use, //copy, modify, merge, publish, distribute, sublicense, and / or sell copies of the //Software, and to permit persons to whom the Software is furnished to do so, //subject to the following conditions : // //The above copyright notice and this permission notice shall be included in all //copies or substantial portions of the Software. // //THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR //IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, //FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE //AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER //LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, //OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE //SOFTWARE. //------------------------------------------------------------------------------------------------- #ifndef INTFUNC_H_INCLUDED #define INTFUNC_H_INCLUDED #ifdef MODULE_INTFUNC #define DECMOD_INTFUNC #else #define DECMOD_INTFUNC extern #endif //Max and min of two integers. DECMOD_INTFUNC int INTFUNC_max(int a, int b); DECMOD_INTFUNC int INTFUNC_min(int a, int b); //Odd and even.. DECMOD_INTFUNC int INTFUNC_is_even(int arg); DECMOD_INTFUNC int INTFUNC_is_odd(int arg); //Power residue 16807 functions. // //Makes the recurrence mapping for the power residue random //number generator given by \alpha=16,807 and N=2^{31}-1. //One fact that may not be apparent is that with a non-zero //seed, the seed can't go to zero. This is because //2^{31}-1 is a Mersenne prime, and so multiplying a number //less than 2^{31}-1 by 16,807=7^3 can't result in a multiple //of 2^{31}-1, by the fundamental theorem of arithmetic. DECMOD_INTFUNC unsigned int INTFUNC_rn_power_res_16807_mapping(unsigned int arg_in); //Version control reporting functions. DECMOD_INTFUNC const char *INTFUNC_cvcinfo(void); DECMOD_INTFUNC const char *INTFUNC_hvcinfo(void); #define INTFUNC_H_VERSION ("$Header$") #endif //End of intfunc.h.