You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.5 KiB
60 lines
1.5 KiB
#include <cln/number.h>
|
|
#include <cln/io.h>
|
|
#include <cln/float.h>
|
|
#include <cln/float_io.h>
|
|
#include <cln/real.h>
|
|
#include <cln/random.h>
|
|
#include <cstdlib>
|
|
#include <cstring>
|
|
#include <cln/timing.h>
|
|
|
|
using namespace std;
|
|
using namespace cln;
|
|
|
|
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);
|
|
#if 0
|
|
uintL len = atoi(argv[1]);
|
|
extern cl_LF compute_pi_brent_salamin (uintC len);
|
|
extern cl_LF compute_pi_brent_salamin_quartic (uintC len);
|
|
extern cl_LF compute_pi_ramanujan_163 (uintC len);
|
|
extern cl_LF compute_pi_ramanujan_163_fast (uintC len);
|
|
cl_LF p;
|
|
{ CL_TIMING;
|
|
for (int rep = repetitions; rep > 0; rep--)
|
|
{ p = compute_pi_brent_salamin(len); }
|
|
}
|
|
// cout << p << endl;
|
|
{ CL_TIMING;
|
|
for (int rep = repetitions; rep > 0; rep--)
|
|
{ p = compute_pi_brent_salamin_quartic(len); }
|
|
}
|
|
// cout << p << endl;
|
|
{ CL_TIMING;
|
|
for (int rep = repetitions; rep > 0; rep--)
|
|
{ p = compute_pi_ramanujan_163(len); }
|
|
}
|
|
// cout << p << endl;
|
|
{ CL_TIMING;
|
|
for (int rep = repetitions; rep > 0; rep--)
|
|
{ p = compute_pi_ramanujan_163_fast(len); }
|
|
}
|
|
// cout << p << endl;
|
|
#else
|
|
// Here the argument is N *decimal* digits, not N*32 bits!
|
|
int n = atoi(argv[1]);
|
|
float_format_t prec = float_format(n);
|
|
cl_F p;
|
|
cerr << "Computing pi" << endl;
|
|
{ CL_TIMING; p = pi(prec); }
|
|
cerr << "Converting pi to decimal" << endl;
|
|
{ CL_TIMING; cout << p << endl << endl; }
|
|
#endif
|
|
}
|