79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
// -*- c++ -*-
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#include "config.h"
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#include "Generator.h"
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Generator* createFacebookKey() { return new GEV(30.7984, 8.20449, 0.078688); }
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Generator* createFacebookValue() {
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Generator* g = new GPareto(15.0, 214.476, 0.348238);
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Discrete* d = new Discrete(g);
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d->add(0.00536, 0.0);
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d->add(0.00047, 1.0);
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d->add(0.17820, 2.0);
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d->add(0.09239, 3.0);
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d->add(0.00018, 4.0);
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d->add(0.02740, 5.0);
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d->add(0.00065, 6.0);
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d->add(0.00606, 7.0);
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d->add(0.00023, 8.0);
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d->add(0.00837, 9.0);
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d->add(0.00837, 10.0);
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d->add(0.08989, 11.0);
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d->add(0.00092, 12.0);
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d->add(0.00326, 13.0);
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d->add(0.01980, 14.0);
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return d;
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}
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Generator* createFacebookIA() { return new GPareto(0, 16.0292, 0.154971); }
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Generator* createGenerator(std::string str) {
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if (!strcmp(str.c_str(), "fb_key")) return createFacebookKey();
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else if (!strcmp(str.c_str(), "fb_value")) return createFacebookValue();
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else if (!strcmp(str.c_str(), "fb_ia")) return createFacebookIA();
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char *s_copy = new char[str.length() + 1];
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strcpy(s_copy, str.c_str());
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char *saveptr = NULL;
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if (atoi(s_copy) != 0 || !strcmp(s_copy, "0")) {
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double v = atof(s_copy);
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delete[] s_copy;
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return new Fixed(v);
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}
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char *t_ptr = strtok_r(s_copy, ":", &saveptr);
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char *a_ptr = strtok_r(NULL, ":", &saveptr);
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if (t_ptr == NULL) // || a_ptr == NULL)
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DIE("strtok(.., \":\") failed to parse %s", str.c_str());
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char t = t_ptr[0];
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saveptr = NULL;
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char *s1 = strtok_r(a_ptr, ",", &saveptr);
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char *s2 = strtok_r(NULL, ",", &saveptr);
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char *s3 = strtok_r(NULL, ",", &saveptr);
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double a1 = s1 ? atof(s1) : 0.0;
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double a2 = s2 ? atof(s2) : 0.0;
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double a3 = s3 ? atof(s3) : 0.0;
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delete[] s_copy;
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if (strcasestr(str.c_str(), "fixed")) return new Fixed(a1);
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else if (strcasestr(str.c_str(), "normal")) return new Normal(a1, a2);
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else if (strcasestr(str.c_str(), "exponential")) return new Exponential(a1);
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else if (strcasestr(str.c_str(), "pareto")) return new GPareto(a1, a2, a3);
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else if (strcasestr(str.c_str(), "gev")) return new GEV(a1, a2, a3);
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else if (strcasestr(str.c_str(), "uniform")) return new Uniform(a1);
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DIE("Unable to create Generator '%s'", str.c_str());
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return NULL;
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}
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