Method grind_double

test/double.cpp:200–215

    }

    static
    void
    grind_double(string_view s, double v, parse_options const& po = {})
    {
        grind(s,
            [v](value const& jv, const parse_options&)
            {
                if(! BOOST_TEST(jv.is_double()))
                    return;
                if( std::isnan(v) )
                    BOOST_TEST( std::isnan( jv.get_double() ) );
                else
                    BOOST_TEST( jv.get_double() == v );
            },
            po);
    }

    // Verify that f converts to the
    // same double produced by `strtod`.