Created
August 12, 2012 08:45
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boost::numeric::interval<int>(3): C++ Boost 区間演算ライブラリ 超越関数 ref: http://qiita.com/items/e08ca64b318917e6d4ab
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$ g++ test-interval-transc-error.cpp | |
In file included from /usr/include/boost/numeric/interval.hpp:30:0, | |
from test-interval-transc-error.cpp:2: | |
/usr/include/boost/numeric/interval/transc.hpp: In function ‘boost::numeric::interval<T, Policies> boost::numeric::exp(const boost::numeric::interval<T, Policies>&) [with T = double, Policies = boost::numeric::interval_lib::policies<boost::numeric::interval_lib::rounded_math<double>, boost::numeric::interval_lib::checking_strict<double> >]’: | |
test-interval-transc-error.cpp:12:30: instantiated from here | |
/usr/include/boost/numeric/interval/transc.hpp:34:64: error: ‘boost::numeric::interval_lib::policies<boost::numeric::interval_lib::rounded_math<double>, boost::numeric::interval_lib::checking_strict<double> >::rounding’ has no member named ‘exp_down’ | |
/usr/include/boost/numeric/interval/transc.hpp:34:64: error: ‘boost::numeric::interval_lib::policies<boost::numeric::interval_lib::rounded_math<double>, boost::numeric::interval_lib::checking_strict<double> >::rounding’ has no member named ‘exp_up’ |
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$ g++ test-interval-transc-change_rounding.cpp -o test-interval-transc-change_rounding.out | |
$ ./test-interval-transc-change_rounding.out | |
exp(1) = [2.71828,2.71828] |
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#include <iostream> | |
#include <boost/numeric/interval.hpp> | |
#include <boost/numeric/interval/io.hpp> | |
int main () { | |
using std::cout; | |
using std::endl; | |
using namespace boost::numeric; | |
typedef double R; | |
typedef interval_lib::change_rounding< | |
interval<R>, | |
interval_lib::save_state< | |
interval_lib::rounded_transc_opp< | |
R | |
> | |
> | |
>::type TranscIR; | |
const TranscIR x = 1; | |
cout << "exp(1) = " << exp(x) << endl; | |
return 0; | |
} |
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#include <iostream> | |
#include <boost/numeric/interval.hpp> | |
#include <boost/numeric/interval/io.hpp> | |
int main () { | |
using std::cout; | |
using std::endl; | |
using namespace boost::numeric; | |
typedef double R; | |
typedef interval<R> IR; | |
const IR x = 1; | |
cout << "exp(1) = " << exp(x) << endl; | |
return 0; | |
} |
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