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Back out Stack D13119110..D13236159

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Summary: backout, causes failures

Reviewed By: adityasharat

Differential Revision: D13376210

fbshipit-source-id: 1fa8823f2dce601c47738f34ddb2674288197e79
This commit is contained in:
David Aurelio
2018-12-07 12:37:12 -08:00
committed by Facebook Github Bot
parent 6b7f6980f9
commit b26e637c81
19 changed files with 612 additions and 701 deletions
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78
yoga/YGFloatOptional.h
View File

@@ -6,68 +6,38 @@
*/
#pragma once
#include <limits>
#include "Yoga-internal.h"
struct YGFloatOptional {
private:
float value_ = std::numeric_limits<float>::quiet_NaN();
float value_ = 0;
bool isUndefined_ = true;
public:
explicit constexpr YGFloatOptional(float value) : value_(value) {}
constexpr YGFloatOptional() = default;
explicit YGFloatOptional(float value);
YGFloatOptional() = default;
// returns the wrapped value, or a value x with YGIsUndefined(x) == true
constexpr float unwrap() const {
return value_;
// Program will terminate if the value of an undefined is accessed. Please
// make sure to check if the optional is defined before calling this function.
// To check if float optional is defined, use `isUndefined()`.
float getValue() const;
// Sets the value of float optional, and thus isUndefined is assigned false.
void setValue(float val) {
value_ = val;
isUndefined_ = false;
}
constexpr bool isUndefined() const {
// std::isnan is not constexpr
return !(value_ == value_);
bool isUndefined() const {
return isUndefined_;
}
constexpr float orElse(float other) const {
return isUndefined() ? other : value_;
}
YGFloatOptional operator+(const YGFloatOptional& op);
bool operator>(const YGFloatOptional& op) const;
bool operator<(const YGFloatOptional& op) const;
bool operator>=(const YGFloatOptional& op) const;
bool operator<=(const YGFloatOptional& op) const;
bool operator==(const YGFloatOptional& op) const;
bool operator!=(const YGFloatOptional& op) const;
template <typename Factory>
constexpr float orElseGet(Factory&& f) const {
return isUndefined() ? f() : value_;
}
YGFloatOptional operator-() const {
return YGFloatOptional{-value_};
}
YGFloatOptional operator+(YGFloatOptional op) const {
return YGFloatOptional{value_ + op.value_};
}
YGFloatOptional operator-(YGFloatOptional op) const {
return YGFloatOptional{value_ - op.value_};
}
bool operator>(YGFloatOptional op) const {
return value_ > op.value_;
}
bool operator<(YGFloatOptional op) const {
return value_ < op.value_;
}
bool operator>=(YGFloatOptional op) const {
return *this > op || *this == op;
}
bool operator<=(YGFloatOptional op) const {
return *this < op || *this == op;
}
bool operator==(YGFloatOptional op) const {
return value_ == op.value_ || (isUndefined() && op.isUndefined());
}
bool operator!=(YGFloatOptional op) const {
return !(*this == op);
}
bool operator==(float val) const {
return value_ == val || (isUndefined() && yoga::isUndefined(val));
}
bool operator!=(float val) const {
return !(*this == val);
}
bool operator==(float val) const;
bool operator!=(float val) const;
};