forked from lthn/blockchain
50 lines
2.1 KiB
C++
50 lines
2.1 KiB
C++
// Copyright (c) 2024, Zano Project
|
|
// Copyright (c) 2006-2017, Andrey N. Sabelnikov, www.sabelnikov.net
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright
|
|
// notice, this list of conditions and the following disclaimer in the
|
|
// documentation and/or other materials provided with the distribution.
|
|
// * Neither the name of the Andrey N. Sabelnikov nor the
|
|
// names of its contributors may be used to endorse or promote products
|
|
// derived from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
|
|
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
|
|
|
|
#pragma once
|
|
|
|
namespace epee
|
|
{
|
|
namespace string_tools
|
|
{
|
|
template<typename t_number>
|
|
inline std::string print_fixed_decimal_point(t_number amount, size_t decimal_point)
|
|
{
|
|
std::string s = boost::lexical_cast<std::string>(amount);
|
|
if (decimal_point > 32)
|
|
return std::string("!!") + s; // avoiding overflow issues
|
|
if (s.size() < decimal_point + 1)
|
|
{
|
|
s.insert(0, decimal_point + 1 - s.size(), '0');
|
|
}
|
|
if (decimal_point > 0)
|
|
s.insert(s.size() - decimal_point, ".");
|
|
return s;
|
|
}
|
|
}
|
|
}
|