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							80 lines
						
					
					
						
							1.7 KiB
						
					
					
				| #include <cln/number.h> | |
| #include <cln/io.h> | |
| #include <cln/integer.h> | |
| #include <cln/integer_io.h> | |
| #include <cln/float.h> | |
| #include <cln/real.h> | |
| #include <cstdlib> | |
| #include <cstring> | |
| #include <cln/timing.h> | |
|  | |
| using namespace std; | |
| using namespace cln; | |
| 
 | |
| int main (int argc, char * argv[]) | |
| { | |
| 	int digits = 100; | |
| 	int repetitions = 1; | |
| 	while (argc >= 3) { | |
| 		if (!strcmp(argv[1],"-r")) { | |
| 			repetitions = atoi(argv[2]); | |
| 			argc -= 2; argv += 2; | |
| 			continue; | |
| 		} | |
| 		if (!strcmp(argv[1],"-n")) { | |
| 			digits = atoi(argv[2]); | |
| 			argc -= 2; argv += 2; | |
| 			continue; | |
| 		} | |
| 		break; | |
| 	} | |
| 	if (argc < 1) | |
| 		exit(1); | |
| 	 | |
| 	cerr << "Number of digits: " << digits << endl; | |
| 	cerr << "Number of repetitions: " << repetitions << endl; | |
| 
 | |
| 	float_format_t prec = float_format(digits); | |
| 	float_format_t prec2 = float_format(digits*2); | |
| 	cl_I pow = expt_pos(10,digits); | |
| 	cl_I x1 = floor1((sqrt(cl_float(5,prec2))+1)/2 * expt_pos(pow,2)); | |
| 	cl_I x2 = floor1(sqrt(cl_float(3,prec)) * pow); | |
| 	cl_I x3 = pow+1; | |
| 
 | |
| 	cerr << "multiplication" << endl; | |
| 	{ cl_I r = x1*x2; | |
| 	  { CL_TIMING; | |
| 	    for (int rep = repetitions; rep > 0; rep--) | |
| 	      { r = x1*x2; } | |
| 	  } | |
| 	  cout << r << endl << endl; | |
| 	} | |
| 
 | |
| 	cerr << "division" << endl; | |
| 	{ cl_I_div_t qr = floor2(x1,x2); | |
| 	  { CL_TIMING; | |
| 	    for (int rep = repetitions; rep > 0; rep--) | |
| 	      { qr = floor2(x1,x2); } | |
| 	  } | |
| 	  cout << qr.quotient << endl << qr.remainder << endl << endl; | |
| 	} | |
| 
 | |
| 	cerr << "isqrt" << endl; | |
| 	{ cl_I r = isqrt(x3); | |
| 	  { CL_TIMING; | |
| 	    for (int rep = repetitions; rep > 0; rep--) | |
| 	      { r = isqrt(x3); } | |
| 	  } | |
| 	  cout << r << endl << endl; | |
| 	} | |
| 
 | |
| 	cerr << "gcd" << endl; | |
| 	{ cl_I r = gcd(x1,x2); | |
| 	  { CL_TIMING; | |
| 	    for (int rep = repetitions; rep > 0; rep--) | |
| 	      { r = gcd(x1,x2); } | |
| 	  } | |
| 	  cout << r << endl << endl; | |
| 	} | |
| 
 | |
| }
 |