/* classic.c: Classic operations used in libquantum
Copyright 2003, 2004 Bjoern Butscher, Hendrik Weimer
This file is part of libquantum
libquantum 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 3 of the License,
or (at your option) any later version.
libquantum 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 libquantum; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA
*/
#include
/* Calculate A^B with A and B as integers */
int
quantum_ipow(int a, int b)
{
int i;
int r=1;
for(i=0; i** 1< 1.0 / (2 * (1 << width)));
*a = num;
*b = den;
return;
}
/* Calculates the number of qubits required to store N */
int
quantum_getwidth(int n)
{
int i;
for(i=1; 1<**