cln_mirror/tests/timerecip2adic-compare.cc

#include <cln/number.h>
#include <cln/io.h>
#include <cln/integer.h>
#include "cl_DS.h"
#include "cl_2DS.h"
#include <cln/random.h>
#include "cl_random_impl.h"
#include <cln/abort.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 < 3)
		exit(1);
	uintL len = atoi(argv[1]);
	int threshold = atoi(argv[2]);
	SAVE_NUM_STACK;
	uintD* a_MSDptr;
	uintD* a_LSDptr;
	uintD* b_MSDptr;
	uintD* b_LSDptr;
	uintD* bn_MSDptr;
	uintD* bn_LSDptr;
	num_stack_alloc(len,a_MSDptr=,a_LSDptr=);
	num_stack_alloc(len,b_MSDptr=,b_LSDptr=);
	num_stack_alloc(len,bn_MSDptr=,bn_LSDptr=);
	random_UDS(default_random_state,a_MSDptr,len);
	lspref(a_LSDptr,0) |= 1; // force a to be odd
	extern int recip2adic_threshold;
	// Check.
	recip2adic_threshold = 1000000;
	recip2adic(len,a_LSDptr,b_LSDptr);
	recip2adic_threshold = threshold;
	recip2adic(len,a_LSDptr,bn_LSDptr);
	if (compare_loop_msp(b_MSDptr,bn_MSDptr,len)) cl_abort();
	// Time.
	recip2adic_threshold = 1000000;
	{ CL_TIMING;
	  for (int rep = repetitions; rep > 0; rep--)
	    { recip2adic(len,a_LSDptr,b_LSDptr); }
	}
	recip2adic_threshold = threshold;
	{ CL_TIMING;
	  for (int rep = repetitions; rep > 0; rep--)
	    { recip2adic(len,a_LSDptr,b_LSDptr); }
	}
}