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72 lines
1.8 KiB
72 lines
1.8 KiB
#include <cln/number.h>
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#include <cln/io.h>
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#include <cln/float.h>
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#include <cln/real.h>
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#include <cln/random.h>
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#include <cstdlib>
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#include <cstring>
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#include <cln/timing.h>
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#include "float/lfloat/cl_LF.h"
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#include <iostream>
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namespace cln
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{
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// FIXME: using internal functions is a bad idea (even if it works
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// on some ELF systems)
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extern cl_LF compute_catalanconst_ramanujan (uintC len);
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extern cl_LF compute_catalanconst_ramanujan_fast (uintC len);
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extern cl_LF compute_catalanconst_expintegral1 (uintC len);
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extern cl_LF compute_catalanconst_expintegral2 (uintC len);
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extern cl_LF compute_catalanconst_cvz1 (uintC len);
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extern cl_LF compute_catalanconst_cvz2 (uintC len);
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}
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using namespace cln;
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using namespace std;
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int main (int argc, char * argv[])
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{
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int repetitions = 1;
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if ((argc >= 3) && !strcmp(argv[1],"-r")) {
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repetitions = atoi(argv[2]);
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argc -= 2; argv += 2;
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}
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if (argc < 2)
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exit(1);
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uintL len = atoi(argv[1]);
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cl_LF p;
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ln(cl_I_to_LF(1000,len+10)); // fill cache
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{ CL_TIMING;
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for (int rep = repetitions; rep > 0; rep--)
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{ p = compute_catalanconst_ramanujan(len); }
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}
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cout << p << endl;
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{ CL_TIMING;
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for (int rep = repetitions; rep > 0; rep--)
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{ p = compute_catalanconst_ramanujan_fast(len); }
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}
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cout << p << endl;
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#if 0
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{ CL_TIMING;
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for (int rep = repetitions; rep > 0; rep--)
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{ p = compute_catalanconst_expintegral1(len); }
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}
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cout << p << endl;
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{ CL_TIMING;
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for (int rep = repetitions; rep > 0; rep--)
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{ p = compute_catalanconst_expintegral2(len); }
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}
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cout << p << endl;
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#endif
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{ CL_TIMING;
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for (int rep = repetitions; rep > 0; rep--)
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{ p = compute_catalanconst_cvz1(len); }
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}
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cout << p << endl;
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{ CL_TIMING;
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for (int rep = repetitions; rep > 0; rep--)
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{ p = compute_catalanconst_cvz2(len); }
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}
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cout << p << endl;
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}
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