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C++ reference for MRPT 1.9.9
mrpt
typemeta
num_to_string.h
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/* +------------------------------------------------------------------------+
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| Mobile Robot Programming Toolkit (MRPT) |
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| http://www.mrpt.org/ |
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| |
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| Copyright (c) 2005-2018, Individual contributors, see AUTHORS file |
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| See: http://www.mrpt.org/Authors - All rights reserved. |
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| Released under BSD License. See details in http://www.mrpt.org/License |
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+------------------------------------------------------------------------+ */
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#pragma once
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#include <cstddef>
//size_t
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namespace
mrpt
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{
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namespace
typemeta
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{
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namespace
detail
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{
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template
<
unsigned
... digits>
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struct
to_chars
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{
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static
const
char
value
[
sizeof
...(digits) + 1];
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};
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template
<
unsigned
... digits>
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constexpr
char
to_chars
<digits...>
::value
[
sizeof
...(digits) + 1] = {
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(
'0'
+ digits)..., 0};
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template
<
unsigned
rem,
unsigned
... digits>
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struct
explode
:
explode
<rem / 10, rem % 10, digits...>
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{
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};
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template
<
unsigned
... digits>
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struct
explode
<0, digits...> :
to_chars
<digits...>
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{
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};
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}
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/** constexpr string representation of a number.
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* Use: `num_to_string<NUMBER>::value`.
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* \note Credits: https://stackoverflow.com/a/24000041/1631514 */
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template
<
unsigned
num>
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struct
num_to_string
:
detail::explode
<num>
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{
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};
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}
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}
mrpt::typemeta::detail::explode
Definition:
num_to_string.h:30
mrpt
This is the global namespace for all Mobile Robot Programming Toolkit (MRPT) libraries.
Definition:
CKalmanFilterCapable.h:30
mrpt::typemeta::num_to_string
constexpr string representation of a number.
Definition:
num_to_string.h:44
value
GLsizei const GLfloat * value
Definition:
glext.h:4117
mrpt::typemeta::detail::to_chars
Definition:
num_to_string.h:20
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