#include #include #include #include #include #include #include #include #include "float/lfloat/cl_LF.h" namespace cln { // FIXME: don't use internal functions. extern cl_LF compute_eulerconst (uintC len); extern cl_LF compute_eulerconst_expintegral (uintC len); extern cl_LF compute_eulerconst_expintegral1 (uintC len); extern cl_LF compute_eulerconst_expintegral2 (uintC len); extern cl_LF compute_eulerconst_besselintegral1 (uintC len); extern cl_LF compute_eulerconst_besselintegral2 (uintC len); extern cl_LF compute_eulerconst_besselintegral3 (uintC len); extern cl_LF compute_eulerconst_besselintegral4 (uintC len); } 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); uintL len = atoi(argv[1]); cl_LF p; ln(cl_I_to_LF(1000,len+10)); // fill cache #if 0 { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { p = compute_eulerconst(len); } } #else #if 0 { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { p = compute_eulerconst_expintegral(len); } } // cout << p << endl; { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { p = compute_eulerconst_expintegral1(len); } } // cout << p << endl; { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { p = compute_eulerconst_expintegral2(len); } } // cout << p << endl; #endif { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { p = compute_eulerconst_besselintegral1(len); } } // cout << p << endl; #if 0 { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { p = compute_eulerconst_besselintegral2(len); } } // cout << p << endl; { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { p = compute_eulerconst_besselintegral3(len); } } // cout << p << endl; #endif { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { p = compute_eulerconst_besselintegral4(len); } } // cout << p << endl; #endif }