mirror of https://github.com/mosra/magnum.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
3.2 KiB
75 lines
3.2 KiB
/* |
|
This file is part of Magnum. |
|
|
|
Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
|
Vladimír Vondruš <mosra@centrum.cz> |
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a |
|
copy of this software and associated documentation files (the "Software"), |
|
to deal in the Software without restriction, including without limitation |
|
the rights to use, copy, modify, merge, publish, distribute, sublicense, |
|
and/or sell copies of the Software, and to permit persons to whom the |
|
Software is furnished to do so, subject to the following conditions: |
|
|
|
The above copyright notice and this permission notice shall be included |
|
in all copies or substantial portions of the Software. |
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
|
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
|
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
|
DEALINGS IN THE SOFTWARE. |
|
*/ |
|
|
|
#include "Magnum/Math/Half.h" |
|
|
|
#include <iomanip> |
|
#include <sstream> |
|
|
|
#if defined(DOXYGEN_GENERATING_OUTPUT) || defined(CORRADE_TARGET_UNIX) || (defined(CORRADE_TARGET_WINDOWS) && !defined(CORRADE_TARGET_WINDOWS_RT)) || defined(CORRADE_TARGET_EMSCRIPTEN) |
|
#include <algorithm> |
|
#include <Corrade/Utility/String.h> |
|
#include <Corrade/Utility/TweakableParser.h> |
|
#endif |
|
|
|
namespace Magnum { namespace Math { |
|
|
|
Corrade::Utility::Debug& operator<<(Corrade::Utility::Debug& debug, Half value) { |
|
std::ostringstream out; |
|
/* Wikipedia says it's 3 or 4 decimal places: |
|
https://en.wikipedia.org/wiki/Half-precision_floating-point_format */ |
|
out << std::setprecision(4) << Float(value); |
|
return debug << out.str(); |
|
} |
|
|
|
}} |
|
|
|
#if defined(DOXYGEN_GENERATING_OUTPUT) || defined(CORRADE_TARGET_UNIX) || (defined(CORRADE_TARGET_WINDOWS) && !defined(CORRADE_TARGET_WINDOWS_RT)) || defined(CORRADE_TARGET_EMSCRIPTEN) |
|
namespace Corrade { namespace Utility { |
|
|
|
std::pair<TweakableState, Magnum::Math::Half> TweakableParser<Magnum::Math::Half>::parse(const Containers::ArrayView<const char> value) { |
|
char* end; |
|
const Magnum::Float result = std::strtof(value, &end); |
|
|
|
if(end == value.begin() || std::find(value.begin(), value.end(), '.') == value.end()) { |
|
Warning{} << "Utility::TweakableParser:" << std::string{value, value.size()} << "is not a half literal"; |
|
return {TweakableState::Recompile, {}}; |
|
} |
|
|
|
if(!String::viewEndsWith(value, "_h")) { |
|
Warning{} << "Utility::TweakableParser:" << std::string{value, value.size()} << "has an unexpected suffix, expected _h"; |
|
return {TweakableState::Recompile, {}}; |
|
} |
|
|
|
if(end != value.end() - 2) { |
|
Warning{} << "Utility::TweakableParser: unexpected characters" << std::string{const_cast<const char*>(end), value.end()} << "after a half literal"; |
|
return {TweakableState::Recompile, {}}; |
|
} |
|
|
|
return {TweakableState::Success, Magnum::Math::Half{result}}; |
|
} |
|
|
|
}} |
|
#endif
|
|
|