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CShift0.32

double

Struct · built-in type

struct double : IComparable<double>, IEquatable<double>, IHashable

A 64-bit floating point number (IEEE 754 double precision); float64 is the same type.

Floating point arithmetic is not checked: it gives infinity or NaN instead of a panic.

Static fields

Section titled “Static fields”
Name Description
MinValue The smallest (most negative) finite value.
MaxValue The largest finite value.
Epsilon The difference between 1 and the next larger value.
NaN “Not a number”, e.g. the result of 0.0 / 0.0; it is not equal to anything, not even to itself.
PositiveInfinity Positive infinity, e.g. the result of 1.0 / 0.0.
NegativeInfinity Negative infinity.

MinValue

Section titled “MinValue”
static double MinValue

The smallest (most negative) finite value.

MaxValue

Section titled “MaxValue”
static double MaxValue

The largest finite value.

Epsilon

Section titled “Epsilon”
static double Epsilon

The difference between 1 and the next larger value.

NaN

Section titled “NaN”
static double NaN

“Not a number”, e.g. the result of 0.0 / 0.0; it is not equal to anything, not even to itself.

PositiveInfinity

Section titled “PositiveInfinity”
static double PositiveInfinity

Positive infinity, e.g. the result of 1.0 / 0.0.

NegativeInfinity

Section titled “NegativeInfinity”
static double NegativeInfinity

Negative infinity.

Methods

Section titled “Methods”
Name Description
ToString The number as text, with as many digits as needed to read it back exactly: 0.1.ToString() is "0.1".
Equals Whether the numbers are equal (also a == b; NaN is not equal to NaN).
CompareTo Compares the numbers: -1, 0 or 1.
GetHashCode A hash code of the number, for Dictionary keys.

ToString

Section titled “ToString”
string ToString()

The number as text, with as many digits as needed to read it back exactly: 0.1.ToString() is "0.1".

string ToString(string format)

The number in a number format: 3.14159.ToString("F2") is "3.14" (see NumberFormat).

Parameters

  • format: F, N, E, P or G, optionally followed by up to two digits.

Equals

Section titled “Equals”
bool Equals(double other)

Whether the numbers are equal (also a == b; NaN is not equal to NaN).

CompareTo

Section titled “CompareTo”
int CompareTo(double other)

Compares the numbers: -1, 0 or 1.

GetHashCode

Section titled “GetHashCode”
int GetHashCode()

A hash code of the number, for Dictionary keys.