// (C) Copyright John Maddock 2019. // Use, modification and distribution are subject to the // Boost Software License, Version 1.0. (See accompanying file // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) #include #include #include #include #include #include void print(std::ostream& os) { boost::math::tools::html_printer printer(os); printer << "\n\n" << std::endl; printer << "" << std::endl; printer << "

Synopsis

\nSample HTML output for various number types, these are then styled in bold, and various (somewhat untasteful!) colors just because we can, and to check that our markup generation is working correctly.\n"; printer << "

Basic Integers Values:

\n" << boost::math::tools::full_styling; int ival = 0; printer << ""; printer.stream() << "\n"; ival = -23; printer.stream() << "\n"; ival = 23; printer.stream() << std::dec << "\n"; printer.stream() << std::dec << "\n

Value	Base	Result
" << ival << "	default	"; printer << ival << "
" << ival << "	default	"; printer << ival << "
" << ival << "	hex	"; printer << std::hex << ival << "
" << ival << "	oct	"; printer << std::oct << ival << "

\n\n" << std::dec; printer << "

Basic Floating Point Values:

\n\n"; double fval = 3; printer << ""; printer.stream() << "\n"; fval = 3.14; printer.stream() << "\n"; fval = -1.2345678765e-24; printer.stream() << "\n"; printer.stream() << "\n"; printer.stream() << "\n"; printer.stream() << "\n"; printer.stream() << "\n"; printer.stream() << "\n" << boost::math::tools::multiply_times << std::defaultfloat; // Infinities: fval = std::numeric_limits::infinity(); printer.stream() << "\n"; fval = -std::numeric_limits::infinity(); printer.stream() << "\n"; // NaN's: fval = std::numeric_limits::quiet_NaN(); printer.stream() << "\n"; // Zeros: fval = 0; printer.stream() << "\n"; fval = -fval; printer.stream() << "\n"; printer << "

Value	Precision	Format	Result
" << fval << "	default	default	"; printer << fval << "
" << fval << "	default	default	"; printer << fval << "
" << fval << "	default	default	"; printer << fval << "
" << fval << "	3	scientific	"; printer << std::setprecision(3) << std::scientific << fval << "
" << fval << "	default	multiply_x	"; printer << boost::math::tools::multiply_x << fval << "
" << fval << "	3	scientific + multiply_x	"; printer << std::setprecision(3) << std::scientific << fval << "
" << fval << "	default	multiply_dot	"; printer << boost::math::tools::multiply_dot << fval << "
" << fval << "	3	scientific + multiply_dot	"; printer << std::setprecision(3) << std::scientific << fval << "
" << fval << "	default	default	"; printer << fval << "
" << fval << "	default	default	"; printer << fval << "
" << fval << "	default	default	"; printer << fval << "
" << fval << "	default	default	"; printer << fval << "
" << fval << "	default	default	"; printer << fval << "

\n\n" << std::defaultfloat; printer << "

Complex Values:

\n\n"; std::complex cval(3.25, 4.67); printer << ""; printer.stream() << "\n"; cval = 3.14; printer.stream() << "\n"; cval = std::complex(1.23, -1.2345678765e-24); printer.stream() << "\n"; printer.stream() << "\n"; printer.stream() << "\n"; printer.stream() << "\n"; printer.stream() << "\n"; printer.stream() << "\n" << boost::math::tools::multiply_times << boost::math::tools::upright_i; printer << "\n

Value	Precision	Format	Result
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	3	scientific	"; printer << std::scientific << std::setprecision(3) << cval << "
" << cval << "	12	default + slanted_i	"; printer << boost::math::tools::slanted_i << std::defaultfloat << std::setprecision(12) << cval << "
" << cval << "	12	default + doublestruck_i	"; printer << boost::math::tools::doublestruck_i << std::defaultfloat << std::setprecision(12) << cval << "
" << cval << "	12	default + doublestruck_i + multiply_x	"; printer << boost::math::tools::doublestruck_i << boost::math::tools::multiply_x << std::defaultfloat << std::setprecision(12) << cval << "
" << cval << "	12	default + doublestruck_i + multiply_dot	"; printer << boost::math::tools::doublestruck_i << std::defaultfloat << std::setprecision(12) << boost::math::tools::multiply_dot << cval << "

\n\n"; printer << "

Complex Special Values:

\n\n"; printer << ""; cval = std::complex(0, 0); printer.stream() << "\n"; printer.stream() << "\n"; cval = std::complex(3.14, 0); printer.stream() << "\n"; printer.stream() << "\n"; cval = std::complex(-3.14, 0); printer.stream() << "\n"; printer.stream() << "\n"; cval = std::complex(0, 25.5); printer.stream() << "\n"; printer.stream() << "\n"; cval = std::complex(0, -25.5); printer.stream() << "\n"; printer.stream() << "\n"; cval = std::complex(std::numeric_limits::infinity(), 0); printer.stream() << "\n"; cval = std::complex(-std::numeric_limits::infinity(), 0); printer.stream() << "\n"; cval = std::complex(25.5, std::numeric_limits::infinity()); printer.stream() << "\n"; cval = std::complex(25.5, -std::numeric_limits::infinity()); printer.stream() << "\n"; cval = std::complex(std::numeric_limits::quiet_NaN(), 0); printer.stream() << "\n"; cval = std::complex(-std::numeric_limits::quiet_NaN(), 0); printer.stream() << "\n"; cval = std::complex(25.5, std::numeric_limits::quiet_NaN()); printer.stream() << "\n"; cval = std::complex(25.5, -std::numeric_limits::quiet_NaN()); printer.stream() << "\n"; cval = std::complex(std::numeric_limits::quiet_NaN(), std::numeric_limits::infinity()); printer.stream() << "\n"; cval = std::complex(-std::numeric_limits::quiet_NaN(), std::numeric_limits::infinity()); printer.stream() << "\n"; cval = std::complex(std::numeric_limits::infinity(), std::numeric_limits::quiet_NaN()); printer.stream() << "\n"; cval = std::complex(std::numeric_limits::infinity(), -std::numeric_limits::quiet_NaN()); printer.stream() << "\n"; printer << "\n

Value	Precision	Format	Result
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	show_zero_components	"; printer << boost::math::tools::show_zero_components << cval << boost::math::tools::hide_zero_components << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	show_zero_components	"; printer << boost::math::tools::show_zero_components << cval << boost::math::tools::hide_zero_components << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	show_zero_components	"; printer << boost::math::tools::show_zero_components << cval << boost::math::tools::hide_zero_components << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	show_zero_components	"; printer << boost::math::tools::show_zero_components << cval << boost::math::tools::hide_zero_components << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	show_zero_components	"; printer << boost::math::tools::show_zero_components << cval << boost::math::tools::hide_zero_components << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	default	"; printer << cval << "
" << cval << "	default	default	"; printer << cval << "

\n\n"; printer << "

Rationals:

\n\n"; printer << ""; boost::rational rat(1, 3); printer.stream() << "\n"; rat = -rat; printer.stream() << "\n"; rat *= 345634; rat /= 565; printer.stream() << "\n"; rat = 0; printer.stream() << "\n"; rat = -23; printer.stream() << "\n"; boost::multiprecision::cpp_rational rat2(1); for (unsigned i = 1; i < 20; i += 2) { rat2 *= i; rat2 /= i + 1; } printer.stream() << "\n"; printer << "\n

Value	Result
" << rat << "	"; printer << rat << "
" << rat; printer << "	" << rat << "
" << rat; printer << "	" << rat << "
" << rat; printer << "	" << rat << "
" << rat; printer << "	" << rat << "
" << rat2; printer << "	" << rat2 << "

\n\n"; printer << "

Polynomials:

\n\n"; printer << ""; boost::math::tools::polynomial poly1 = { 2, -3, 4, 5 }; printer << "\n"; boost::math::tools::polynomial poly2 = { 2.4, -34.25, 4.2e-6, -5.34e-67 }; printer << "\n"; boost::math::tools::polynomial > poly3 = { { 2.4, 3.25 }, {-34.25 }, { 0, 4.2e-6 }, { -5.34e-67, 4.65e-20 } }; printer << "\n"; boost::math::tools::polynomial> poly4 = { {2, 3}, {-3, 23}, {4, 56}, {5, 32} }; printer << "\n"; printer << "\n

Type	Result
Integer	" << poly1 << "
Float	" << poly2 << "
Complex	" << poly3 << "
Polynomial	" << poly4 << "

\n\n"; printer << "\n\n"; } int main(int argc, const char* argv[]) { if (argc > 1) { std::ofstream ofs(argv[1]); print(ofs); } else print(std::cout); return 0; }