Created
November 16, 2015 08:17
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benchmark program, compile with g++ -O0 -std=c++11 piranha-degree.cpp -lgmp -lmpfr -lpthread
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#define BENCHPRESS_CONFIG_MAIN | |
#include <cstddef> | |
#include <benchpress/benchpress.hpp> | |
//#include "series-benchmark.h" | |
#include <string> | |
#include <iostream> | |
#include <tuple> | |
#include <type_traits> | |
#include <piranha/monomial.hpp> | |
#include <piranha/polynomial.hpp> | |
#include <piranha/mp_rational.hpp> | |
#include <piranha/mp_integer.hpp> | |
#include <gmpxx.h> | |
using namespace piranha; | |
using pt = polynomial<rational,piranha::monomial<short>>; | |
benchpress::auto_register CONCAT2(register_, __LINE__)(("piranha"), | |
([](benchpress::context* ctx) { | |
//pt::set_auto_truncate_degree(1000); | |
pt psin{0}, pcos{1}, x{"x"}, p; | |
integer prod{1}; | |
for (unsigned int i=0; i<500; i++) { | |
const short j = 2*i + 1; | |
if (i != 0) | |
prod *= 1-j; | |
prod *= j; | |
psin += rational{1,prod} * x.pow(j); | |
} | |
prod = 1; | |
for (unsigned int i=1; i<=500; i++) { | |
const short j = 2*i; | |
prod *= 1-j; | |
prod *= j; | |
pcos += rational{1,prod} * x.pow(j); | |
} | |
p = psin * pcos; | |
ctx->reset_timer(); | |
ctx->start_timer(); | |
for (size_t i = 0; i < ctx->num_iterations(); ++i) { | |
const short degree = p.degree({"x"}); | |
} | |
ctx->stop_timer(); | |
})); |
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