vir::constreal Struct Reference

Untyped real literal type. More...

#include <val.h>

Public Member Functions
template<__arithmetic _Up>
consteval	operator _Up () const
	Conversion operator to arithmetic types.

Friends
consteval constreal	operator- (constreal __v) noexcept
	Unary negation operator.
consteval constreal	operator+ (constreal __v) noexcept
	Unary plus operator (identity)
consteval constreal	operator~ (constreal)=delete
	Bitwise complement operator (deleted)
consteval constreal	operator! (constreal)=delete("explicitly write 1 or 0 instead")
	Logical NOT operator (deleted)

Detailed Description

Untyped real literal type.

Represents a real value with up to the precision of long double.

Conversions to arithmetic types are only allowed when they are value-preserving. Otherwise, bad_value_preserving_cast is thrown.

Member Function Documentation

operator _Up()

template<__arithmetic _Up>

vir::constreal::operator _Up ( ) const

inlineconsteval

Conversion operator to arithmetic types.

Converts to the target type only if the conversion is value-preserving. Checks that the value fits within the target range and can be exactly represented without precision loss.

Template Parameters

_Up	Target arithmetic type

Returns

_Up Converted value

Exceptions

bad_value_preserving_cast

if conversion is not value-preserving

Friends And Related Symbol Documentation

operator-

constreal operator- ( constreal __v )

friend

Unary negation operator.

Note

C++ only knows about positive literals. Subsequent unary minus produces a negative value.

operator+

constreal operator+ ( constreal __v )

friend

Unary plus operator (identity)

Note

Provided for completeness. (Useless.)

operator~

constreal operator~ ( constreal )

friend

Bitwise complement operator (deleted)

Not applicable to floating-point types.

operator!

constreal operator! ( constreal )

friend

Logical NOT operator (deleted)

Explicitly write 1 or 0 instead.

---

The documentation for this struct was generated from the following file:

• include/vir/val.h