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fix weed warnings.

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add compost library.
This commit is contained in:
bolero-MURAKAMI 2012-11-09 01:09:49 +09:00
parent ac80a04970
commit d01ee064e2
31 changed files with 1566 additions and 120 deletions
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85
sprout/compost/effects/clip.hpp Normal file
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#ifndef SPROUT_COMPOST_EFFECTS_CLIP_HPP
#define SPROUT_COMPOST_EFFECTS_CLIP_HPP
#include <sprout/config.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/range/adaptor/clamped.hpp>
namespace sprout {
namespace compost {
namespace effects {
//
// clip_holder
//
template<typename T>
class clip_holder {
public:
typedef T value_type;
private:
value_type low_;
value_type up_;
public:
clip_holder() = default;
clip_holder(clip_holder const&) = default;
explicit SPROUT_CONSTEXPR clip_holder(value_type const& low = -1, value_type const& up = 1)
: low_(low), up_(up)
{}
SPROUT_CONSTEXPR value_type const& lower() const {
return low_;
}
SPROUT_CONSTEXPR value_type const& upper() const {
return up_;
}
};
//
// clipped_forwarder
//
class clipped_forwarder {
public:
template<typename T = double>
SPROUT_CONSTEXPR sprout::compost::effects::clip_holder<T>
operator()(T const& low = -1, T const& up = 1) {
return sprout::compost::effects::clip_holder<T>(low, up);
}
};
//
// clipped
//
namespace {
SPROUT_STATIC_CONSTEXPR sprout::compost::effects::clipped_forwarder clipped{};
} // anonymous-namespace
//
// operator|
//
template<typename Range, typename T>
inline SPROUT_CONSTEXPR auto
operator|(Range&& lhs, sprout::compost::effects::clip_holder<T> const& rhs)
-> decltype(
sprout::forward<Range>(lhs)
| sprout::adaptors::clamped(rhs.lower(), rhs.upper())
)
{
return sprout::forward<Range>(lhs)
| sprout::adaptors::clamped(rhs.lower(), rhs.upper())
;
}
template<typename Range>
inline SPROUT_CONSTEXPR auto
operator|(Range&& lhs, sprout::compost::effects::clipped_forwarder const& rhs)
-> decltype(
sprout::forward<Range>(lhs)
| sprout::adaptors::clamped(-1., 1.)
)
{
return sprout::forward<Range>(lhs)
| sprout::adaptors::clamped(-1., 1.)
;
}
} // namespace effects
} // namespace compost
} // namespace sprout
#endif // #ifndef SPROUT_COMPOST_EFFECTS_CLIP_HPP