cln_mirror/tests/timeRALFdiv.cc

#include <cln/number.h>
#include <cln/io.h>
#include <cln/integer.h>
#include <cln/lfloat.h>
#include "cl_LF.h"
#include <cln/rational.h>
#include <cln/float_io.h>
#include <cln/random.h>
#include <stdlib.h>
#include <string.h>
#include <cln/timing.h>

int main (int argc, char * argv[])
{
	int repetitions = 1;
	if ((argc >= 3) && !strcmp(argv[1],"-r")) {
		repetitions = atoi(argv[2]);
		argc -= 2; argv += 2;
	}
	if (argc < 4)
		exit(1);
	cl_I m1 = cl_I(argv[1]);
	cl_I M1 = (cl_I)1 << (intDsize*m1);
	cl_I m2 = cl_I(argv[2]);
	cl_I M2 = (cl_I)1 << (intDsize*m2);
	uintL m3 = atoi(argv[1]);
	cl_I u;
	cl_I v;
	do { u = random_I(M1); } while (zerop(u));
	do { v = random_I(M2); } while (zerop(v) || gcd(u,v) > 1);
	cl_RA x = u / v;
	cl_LF y = The(cl_LF)(random_F(cl_I_to_LF(1,m3)));
	cl_F p;
	{ CL_TIMING;
	  for (int rep = repetitions; rep > 0; rep--)
	    { p = The(cl_LF)(cl_I_LF_div(u,The(cl_LF)(cl_LF_I_mul(y,v)))); }
	}
	cout << p << endl;
	{ CL_TIMING;
	  for (int rep = repetitions; rep > 0; rep--)
	    { p = cl_RA_to_LF(x,TheLfloat(y)->len) / y; }
	}
	cout << p << endl;
}