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							44 lines
						
					
					
						
							886 B
						
					
					
				| #include <cln/number.h> | |
| #include <cln/io.h> | |
| #include <cln/float.h> | |
| #include <cln/lfloat.h> | |
| #include "cl_LF.h" | |
| #include <cln/real.h> | |
| #include <cln/random.h> | |
| #include <cstdlib> | |
| #include <cstring> | |
| #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 < 2) | |
| 		exit(1); | |
| 	uintL len = atoi(argv[1]); | |
| #if 0 | |
| 	cl_LF one = cl_I_to_LF(1,len); | |
| 	cl_F x = one + random_F(one)/3; | |
| 	cout << x << endl; | |
| #else | |
| 	cl_F x = sqrt(sqrt(cl_I_to_LF(2,len))); | |
| #endif | |
| 	cl_F y; | |
| 	extern int cl_lnx_algo; | |
| 	cl_lnx_algo = 0; | |
| 	y = ln(x); // fill cache | |
| 	{ CL_TIMING; | |
| 	  for (int rep = repetitions; rep > 0; rep--) | |
| 	    { y = ln(x); } | |
| 	} | |
| 	cout << y << endl; | |
| 	cl_lnx_algo = 1; | |
| 	{ CL_TIMING; | |
| 	  for (int rep = repetitions; rep > 0; rep--) | |
| 	    { y = ln(x); } | |
| 	} | |
| 	cout << y << endl; | |
| }
 |