Provides constants and static methods for trigonometric, logarithmic, and other common mathematical functions.To browse the .NET Framework source code for this type, see the Reference Source. More...

Public Member Functions
static double	Acos (double d)
	Returns the angle whose cosine is the specified number. More...

static double	Asin (double d)
	Returns the angle whose sine is the specified number. More...

static double	Atan (double d)
	Returns the angle whose tangent is the specified number. More...

static double	Atan2 (double y, double x)
	Returns the angle whose tangent is the quotient of two specified numbers. More...

static double	Ceiling (double a)
	Returns the smallest integral value that is greater than or equal to the specified double-precision floating-point number. More...

static double	Cos (double d)
	Returns the cosine of the specified angle. More...

static double	Cosh (double value)
	Returns the hyperbolic cosine of the specified angle. More...

static double	Floor (double d)
	Returns the largest integer less than or equal to the specified double-precision floating-point number. More...

static double	Sin (double a)
	Returns the sine of the specified angle. More...

static double	Tan (double a)
	Returns the tangent of the specified angle. More...

static double	Sinh (double value)
	Returns the hyperbolic sine of the specified angle. More...

static double	Tanh (double value)
	Returns the hyperbolic tangent of the specified angle. More...

static double	Round (double a)
	Rounds a double-precision floating-point value to the nearest integral value. More...

static double	Sqrt (double d)
	Returns the square root of a specified number. More...

static double	Log (double d)
	Returns the natural (base `e`) logarithm of a specified number. More...

static double	Log10 (double d)
	Returns the base 10 logarithm of a specified number. More...

static double	Exp (double d)
	Returns `e` raised to the specified power. More...

static double	Pow (double x, double y)
	Returns a specified number raised to the specified power. More...

static float	Abs (float value)
	Returns the absolute value of a single-precision floating-point number. More...

static double	Abs (double value)
	Returns the absolute value of a double-precision floating-point number. More...

Static Public Member Functions
static decimal	Ceiling (decimal d)
	Returns the smallest integral value that is greater than or equal to the specified decimal number. More...

static decimal	Floor (decimal d)
	Returns the largest integer less than or equal to the specified decimal number. More...

static double	Round (double value, int digits)
	Rounds a double-precision floating-point value to a specified number of fractional digits. More...

static double	Round (double value, MidpointRounding mode)
	Rounds a double-precision floating-point value to the nearest integer. A parameter specifies how to round the value if it is midway between two numbers. More...

static double	Round (double value, int digits, MidpointRounding mode)
	Rounds a double-precision floating-point value to a specified number of fractional digits. A parameter specifies how to round the value if it is midway between two numbers. More...

static decimal	Round (decimal d)
	Rounds a decimal value to the nearest integral value. More...

static decimal	Round (decimal d, int decimals)
	Rounds a decimal value to a specified number of fractional digits. More...

static decimal	Round (decimal d, MidpointRounding mode)
	Rounds a decimal value to the nearest integer. A parameter specifies how to round the value if it is midway between two numbers. More...

static decimal	Round (decimal d, int decimals, MidpointRounding mode)
	Rounds a decimal value to a specified number of fractional digits. A parameter specifies how to round the value if it is midway between two numbers. More...

static decimal	Truncate (decimal d)
	Calculates the integral part of a specified decimal number. More...

static double	Truncate (double d)
	Calculates the integral part of a specified double-precision floating-point number. More...

static double	IEEERemainder (double x, double y)
	Returns the remainder resulting from the division of a specified number by another specified number. More...

static sbyte	Abs (sbyte value)
	Returns the absolute value of an 8-bit signed integer. More...

static short	Abs (short value)
	Returns the absolute value of a 16-bit signed integer. More...

static int	Abs (int value)
	Returns the absolute value of a 32-bit signed integer. More...

static long	Abs (long value)
	Returns the absolute value of a 64-bit signed integer. More...

static decimal	Abs (decimal value)
	Returns the absolute value of a T:System.Decimal number. More...

static sbyte	Max (sbyte val1, sbyte val2)
	Returns the larger of two 8-bit signed integers. More...

static byte	Max (byte val1, byte val2)
	Returns the larger of two 8-bit unsigned integers. More...

static short	Max (short val1, short val2)
	Returns the larger of two 16-bit signed integers. More...

static ushort	Max (ushort val1, ushort val2)
	Returns the larger of two 16-bit unsigned integers. More...

static int	Max (int val1, int val2)
	Returns the larger of two 32-bit signed integers. More...

static uint	Max (uint val1, uint val2)
	Returns the larger of two 32-bit unsigned integers. More...

static long	Max (long val1, long val2)
	Returns the larger of two 64-bit signed integers. More...

static ulong	Max (ulong val1, ulong val2)
	Returns the larger of two 64-bit unsigned integers. More...

static float	Max (float val1, float val2)
	Returns the larger of two single-precision floating-point numbers. More...

static double	Max (double val1, double val2)
	Returns the larger of two double-precision floating-point numbers. More...

static decimal	Max (decimal val1, decimal val2)
	Returns the larger of two decimal numbers. More...

static sbyte	Min (sbyte val1, sbyte val2)
	Returns the smaller of two 8-bit signed integers. More...

static byte	Min (byte val1, byte val2)
	Returns the smaller of two 8-bit unsigned integers. More...

static short	Min (short val1, short val2)
	Returns the smaller of two 16-bit signed integers. More...

static ushort	Min (ushort val1, ushort val2)
	Returns the smaller of two 16-bit unsigned integers. More...

static int	Min (int val1, int val2)
	Returns the smaller of two 32-bit signed integers. More...

static uint	Min (uint val1, uint val2)
	Returns the smaller of two 32-bit unsigned integers. More...

static long	Min (long val1, long val2)
	Returns the smaller of two 64-bit signed integers. More...

static ulong	Min (ulong val1, ulong val2)
	Returns the smaller of two 64-bit unsigned integers. More...

static float	Min (float val1, float val2)
	Returns the smaller of two single-precision floating-point numbers. More...

static double	Min (double val1, double val2)
	Returns the smaller of two double-precision floating-point numbers. More...

static decimal	Min (decimal val1, decimal val2)
	Returns the smaller of two decimal numbers. More...

static double	Log (double a, double newBase)
	Returns the logarithm of a specified number in a specified base. More...

static int	Sign (sbyte value)
	Returns an integer that indicates the sign of an 8-bit signed integer. More...

static int	Sign (short value)
	Returns an integer that indicates the sign of a 16-bit signed integer. More...

static int	Sign (int value)
	Returns an integer that indicates the sign of a 32-bit signed integer. More...

static int	Sign (long value)
	Returns an integer that indicates the sign of a 64-bit signed integer. More...

static int	Sign (float value)
	Returns an integer that indicates the sign of a single-precision floating-point number. More...

static int	Sign (double value)
	Returns an integer that indicates the sign of a double-precision floating-point number. More...

static int	Sign (decimal value)
	Returns an integer that indicates the sign of a decimal number. More...

static long	BigMul (int a, int b)
	Produces the full product of two 32-bit numbers. More...

static int	DivRem (int a, int b, out int result)
	Calculates the quotient of two 32-bit signed integers and also returns the remainder in an output parameter. More...

static long	DivRem (long a, long b, out long result)
	Calculates the quotient of two 64-bit signed integers and also returns the remainder in an output parameter. More...

Public Attributes
const double	PI = 3.1415926535897931
	Represents the ratio of the circumference of a circle to its diameter, specified by the constant, π. More...

const double	E = 2.7182818284590451
	Represents the natural logarithmic base, specified by the constant, `e`. More...

Detailed Description

Provides constants and static methods for trigonometric, logarithmic, and other common mathematical functions.To browse the .NET Framework source code for this type, see the Reference Source.

Definition at line 10 of file Math.cs.

Member Function Documentation

◆ Abs() [1/7]

static sbyte System.Math.Abs ( sbyte value )

static

Returns the absolute value of an 8-bit signed integer.

Parameters

value A number that is greater than F:System.SByte.MinValue, but less than or equal to F:System.SByte.MaxValue.

Returns: An 8-bit signed integer, x, such that 0 ≤ x ≤F:System.SByte.MaxValue.

Exceptions

T:System.OverflowException value equals F:System.SByte.MinValue.

Definition at line 458 of file Math.cs.

◆ Abs() [2/7]

static short System.Math.Abs ( short value )

static

Returns the absolute value of a 16-bit signed integer.

Parameters

value A number that is greater than F:System.Int16.MinValue, but less than or equal to F:System.Int16.MaxValue.

Returns: A 16-bit signed integer, x, such that 0 ≤ x ≤F:System.Int16.MaxValue.

Exceptions

T:System.OverflowException value equals F:System.Int16.MinValue.

Definition at line 482 of file Math.cs.

◆ Abs() [3/7]

static int System.Math.Abs ( int value )

static

Returns the absolute value of a 32-bit signed integer.

Parameters

value A number that is greater than F:System.Int32.MinValue, but less than or equal to F:System.Int32.MaxValue.

Returns: A 32-bit signed integer, x, such that 0 ≤ x ≤F:System.Int32.MaxValue.

Exceptions

T:System.OverflowException value equals F:System.Int32.MinValue.

Definition at line 506 of file Math.cs.

◆ Abs() [4/7]

static long System.Math.Abs ( long value )

static

Returns the absolute value of a 64-bit signed integer.

Parameters

value A number that is greater than F:System.Int64.MinValue, but less than or equal to F:System.Int64.MaxValue.

Returns: A 64-bit signed integer, x, such that 0 ≤ x ≤F:System.Int64.MaxValue.

Exceptions

T:System.OverflowException value equals F:System.Int64.MinValue.

Definition at line 530 of file Math.cs.

◆ Abs() [5/7]

static float System.Math.Abs ( float value )

Returns the absolute value of a single-precision floating-point number.

Parameters

value A number that is greater than or equal to F:System.Single.MinValue, but less than or equal to F:System.Single.MaxValue.

Returns: A single-precision floating-point number, x, such that 0 ≤ x ≤F:System.Single.MaxValue.

◆ Abs() [6/7]

static double System.Math.Abs ( double value )

Returns the absolute value of a double-precision floating-point number.

Parameters

value A number that is greater than or equal to F:System.Double.MinValue, but less than or equal to F:System.Double.MaxValue.

Returns: A double-precision floating-point number, x, such that 0 ≤ x ≤F:System.Double.MaxValue.

◆ Abs() [7/7]

static decimal System.Math.Abs ( decimal value )

static

Returns the absolute value of a T:System.Decimal number.

Parameters

value A number that is greater than or equal to F:System.Decimal.MinValue, but less than or equal to F:System.Decimal.MaxValue.

Returns: A decimal number, x, such that 0 ≤ x ≤F:System.Decimal.MaxValue.

Definition at line 568 of file Math.cs.

◆ Acos()

static double System.Math.Acos ( double d )

Returns the angle whose cosine is the specified number.

Parameters

d	A number representing a cosine, where d must be greater than or equal to -1, but less than or equal to 1.

Returns: An angle, θ, measured in radians, such that 0 ≤θ≤π-or- F:System.Double.NaN if d < -1 or d > 1 or d equals F:System.Double.NaN.

◆ Asin()

static double System.Math.Asin ( double d )

Returns the angle whose sine is the specified number.

Parameters

d	A number representing a sine, where d must be greater than or equal to -1, but less than or equal to 1.

Returns: An angle, θ, measured in radians, such that -π/2 ≤θ≤π/2 -or- F:System.Double.NaN if d < -1 or d > 1 or d equals F:System.Double.NaN.

◆ Atan()

static double System.Math.Atan ( double d )

Returns the angle whose tangent is the specified number.

Parameters

d	A number representing a tangent.

Returns: An angle, θ, measured in radians, such that -π/2 ≤θ≤π/2.-or- F:System.Double.NaN if d equals F:System.Double.NaN, -π/2 rounded to double precision (-1.5707963267949) if d equals F:System.Double.NegativeInfinity, or π/2 rounded to double precision (1.5707963267949) if d equals F:System.Double.PositiveInfinity.

◆ Atan2()

static double System.Math.Atan2	(	double	y,
		double	x
	)

Returns the angle whose tangent is the quotient of two specified numbers.

Parameters

y	The y coordinate of a point.
x	The x coordinate of a point.

Returns: An angle, θ, measured in radians, such that -π≤θ≤π, and tan(θ) = y / x , where (x , y ) is a point in the Cartesian plane. Observe the following: For (x , y ) in quadrant 1, 0 < θ < π/2.For (x , y ) in quadrant 2, π/2 < θ≤π.For (x , y ) in quadrant 3, -π < θ < -π/2.For (x , y ) in quadrant 4, -π/2 < θ < 0. For points on the boundaries of the quadrants, the return value is the following:If y is 0 and x is not negative, θ = 0.If y is 0 and x is negative, θ = π.If y is positive and x is 0, θ = π/2.If y is negative and x is 0, θ = -π/2. If y is 0 and x is 0, θ = 0. If x or y is F:System.Double.NaN, or if x and y are either F:System.Double.PositiveInfinity or F:System.Double.NegativeInfinity, the method returns F:System.Double.NaN.

◆ BigMul()

static long System.Math.BigMul	(	int	a,
		int	b
	)

static

Produces the full product of two 32-bit numbers.

Parameters

a	The first number to multiply.
b	The second number to multiply.

Returns: The number containing the product of the specified numbers.

Definition at line 1147 of file Math.cs.

◆ Ceiling() [1/2]

static decimal System.Math.Ceiling ( decimal d )

static

Returns the smallest integral value that is greater than or equal to the specified decimal number.

Parameters

d	A decimal number.

Returns: The smallest integral value that is greater than or equal to d . Note that this method returns a T:System.Decimal instead of an integral type.

Definition at line 86 of file Math.cs.

◆ Ceiling() [2/2]

static double System.Math.Ceiling ( double a )

Returns the smallest integral value that is greater than or equal to the specified double-precision floating-point number.

Parameters

a	A double-precision floating-point number.

Returns: The smallest integral value that is greater than or equal to a . If a is equal to F:System.Double.NaN, F:System.Double.NegativeInfinity, or F:System.Double.PositiveInfinity, that value is returned. Note that this method returns a T:System.Double instead of an integral type.

◆ Cos()

static double System.Math.Cos ( double d )

Returns the cosine of the specified angle.

Parameters

d	An angle, measured in radians.

Returns: The cosine of d . If d is equal to F:System.Double.NaN, F:System.Double.NegativeInfinity, or F:System.Double.PositiveInfinity, this method returns F:System.Double.NaN.

◆ Cosh()

static double System.Math.Cosh ( double value )

Returns the hyperbolic cosine of the specified angle.

Parameters

value An angle, measured in radians.

Returns: The hyperbolic cosine of value . If value is equal to F:System.Double.NegativeInfinity or F:System.Double.PositiveInfinity, F:System.Double.PositiveInfinity is returned. If value is equal to F:System.Double.NaN, F:System.Double.NaN is returned.

◆ DivRem() [1/2]

static int System.Math.DivRem	(	int	a,
		int	b,
		out int	result
	)

static

Calculates the quotient of two 32-bit signed integers and also returns the remainder in an output parameter.

Parameters

a	The dividend.
b	The divisor.
result	The remainder.

Returns: The quotient of the specified numbers.

Exceptions

T:System.DivideByZeroException b is zero.

Definition at line 1159 of file Math.cs.

◆ DivRem() [2/2]

static long System.Math.DivRem	(	long	a,
		long	b,
		out long	result
	)

static

Calculates the quotient of two 64-bit signed integers and also returns the remainder in an output parameter.

Parameters

a	The dividend.
b	The divisor.
result	The remainder.

Returns: The quotient of the specified numbers.

Exceptions

T:System.DivideByZeroException b is zero.

Definition at line 1172 of file Math.cs.

◆ Exp()

static double System.Math.Exp ( double d )

Returns e raised to the specified power.

Parameters

d	A number specifying a power.

Returns: The number e raised to the power d . If d equals F:System.Double.NaN or F:System.Double.PositiveInfinity, that value is returned. If d equals F:System.Double.NegativeInfinity, 0 is returned.

◆ Floor() [1/2]

static decimal System.Math.Floor ( decimal d )

static

Returns the largest integer less than or equal to the specified decimal number.

Parameters

d	A decimal number.

Returns: The largest integer less than or equal to d . Note that the method returns an integral value of type T:System.Math.

Definition at line 119 of file Math.cs.

◆ Floor() [2/2]

static double System.Math.Floor ( double d )

Returns the largest integer less than or equal to the specified double-precision floating-point number.

Parameters

d	A double-precision floating-point number.

Returns: The largest integer less than or equal to d . If d is equal to F:System.Double.NaN, F:System.Double.NegativeInfinity, or F:System.Double.PositiveInfinity, that value is returned.

◆ IEEERemainder()

static double System.Math.IEEERemainder	(	double	x,
		double	y
	)

static

Returns the remainder resulting from the division of a specified number by another specified number.

Parameters

x	A dividend.
y	A divisor.

Returns: A number equal to x - (y Q), where Q is the quotient of x / y rounded to the nearest integer (if x / y falls halfway between two integers, the even integer is returned).If x - (y Q) is zero, the value +0 is returned if x is positive, or -0 if x is negative.If y = 0, F:System.Double.NaN is returned.

Definition at line 414 of file Math.cs.

◆ Log() [1/2]

static double System.Math.Log ( double d )

Returns the natural (base e) logarithm of a specified number.

Parameters

d	The number whose logarithm is to be found.

Returns: One of the values in the following table. d parameterReturn value Positive The natural logarithm of d ; that is, ln d , or log ed Zero F:System.Double.NegativeInfinity Negative F:System.Double.NaN Equal to F:System.Double.NaN F:System.Double.NaN Equal to F:System.Double.PositiveInfinity F:System.Double.PositiveInfinity

◆ Log() [2/2]

static double System.Math.Log	(	double	a,
		double	newBase
	)

static

Returns the logarithm of a specified number in a specified base.

Parameters

a	The number whose logarithm is to be found.
newBase	The base of the logarithm.

Returns

One of the values in the following table. (+Infinity denotes F:System.Double.PositiveInfinity, -Infinity denotes F:System.Double.NegativeInfinity, and NaN denotes F:System.Double.NaN.) a

newBase Return value a > 0(0 <newBase < 1) -or-(newBase > 1)lognewBase(a) a < 0(any value)NaN(any value) newBase < 0NaN a != 1 newBase = 0NaN a != 1 newBase = +InfinityNaN a = NaN(any value)NaN(any value) newBase = NaNNaN(any value) newBase = 1NaN a = 00 <newBase < 1 +Infinity a = 0 newBase > 1-Infinity a = +Infinity0 <newBase < 1-Infinity a = +Infinity newBase > 1+Infinity a = 1 newBase = 00 a = 1 newBase = +Infinity0

Definition at line 969 of file Math.cs.

◆ Log10()

static double System.Math.Log10 ( double d )

Returns the base 10 logarithm of a specified number.

Parameters

d	A number whose logarithm is to be found.

Returns: One of the values in the following table. d parameter Return value Positive The base 10 log of d ; that is, log 10d . Zero F:System.Double.NegativeInfinity Negative F:System.Double.NaN Equal to F:System.Double.NaN F:System.Double.NaN Equal to F:System.Double.PositiveInfinity F:System.Double.PositiveInfinity

◆ Max() [1/11]

static sbyte System.Math.Max	(	sbyte	val1,
		sbyte	val2
	)

static

Returns the larger of two 8-bit signed integers.

Parameters

val1	The first of two 8-bit signed integers to compare.
val2	The second of two 8-bit signed integers to compare.

Returns: Parameter val1 or val2 , whichever is larger.

Definition at line 581 of file Math.cs.

◆ Max() [2/11]

static byte System.Math.Max	(	byte	val1,
		byte	val2
	)

static

Returns the larger of two 8-bit unsigned integers.

Parameters

val1	The first of two 8-bit unsigned integers to compare.
val2	The second of two 8-bit unsigned integers to compare.

Returns: Parameter val1 or val2 , whichever is larger.

Definition at line 597 of file Math.cs.

◆ Max() [3/11]

static short System.Math.Max	(	short	val1,
		short	val2
	)

static

Returns the larger of two 16-bit signed integers.

Parameters

val1	The first of two 16-bit signed integers to compare.
val2	The second of two 16-bit signed integers to compare.

Returns: Parameter val1 or val2 , whichever is larger.

Definition at line 613 of file Math.cs.

◆ Max() [4/11]

static ushort System.Math.Max	(	ushort	val1,
		ushort	val2
	)

static

Returns the larger of two 16-bit unsigned integers.

Parameters

val1	The first of two 16-bit unsigned integers to compare.
val2	The second of two 16-bit unsigned integers to compare.

Returns: Parameter val1 or val2 , whichever is larger.

Definition at line 630 of file Math.cs.

◆ Max() [5/11]

static int System.Math.Max	(	int	val1,
		int	val2
	)

static

Returns the larger of two 32-bit signed integers.

Parameters

val1	The first of two 32-bit signed integers to compare.
val2	The second of two 32-bit signed integers to compare.

Returns: Parameter val1 or val2 , whichever is larger.

Definition at line 646 of file Math.cs.

◆ Max() [6/11]

static uint System.Math.Max	(	uint	val1,
		uint	val2
	)

static

Returns the larger of two 32-bit unsigned integers.

Parameters

val1	The first of two 32-bit unsigned integers to compare.
val2	The second of two 32-bit unsigned integers to compare.

Returns: Parameter val1 or val2 , whichever is larger.

Definition at line 663 of file Math.cs.

◆ Max() [7/11]

static long System.Math.Max	(	long	val1,
		long	val2
	)

static

Returns the larger of two 64-bit signed integers.

Parameters

val1	The first of two 64-bit signed integers to compare.
val2	The second of two 64-bit signed integers to compare.

Returns: Parameter val1 or val2 , whichever is larger.

Definition at line 679 of file Math.cs.

◆ Max() [8/11]

static ulong System.Math.Max	(	ulong	val1,
		ulong	val2
	)

static

Returns the larger of two 64-bit unsigned integers.

Parameters

val1	The first of two 64-bit unsigned integers to compare.
val2	The second of two 64-bit unsigned integers to compare.

Returns: Parameter val1 or val2 , whichever is larger.

Definition at line 696 of file Math.cs.

◆ Max() [9/11]

static float System.Math.Max	(	float	val1,
		float	val2
	)

static

Returns the larger of two single-precision floating-point numbers.

Parameters

val1	The first of two single-precision floating-point numbers to compare.
val2	The second of two single-precision floating-point numbers to compare.

Returns: Parameter val1 or val2 , whichever is larger. If val1 , or val2 , or both val1 and val2 are equal to F:System.Single.NaN, F:System.Single.NaN is returned.

Definition at line 711 of file Math.cs.

◆ Max() [10/11]

static double System.Math.Max	(	double	val1,
		double	val2
	)

static

Returns the larger of two double-precision floating-point numbers.

Parameters

val1	The first of two double-precision floating-point numbers to compare.
val2	The second of two double-precision floating-point numbers to compare.

Returns: Parameter val1 or val2 , whichever is larger. If val1 , val2 , or both val1 and val2 are equal to F:System.Double.NaN, F:System.Double.NaN is returned.

Definition at line 730 of file Math.cs.

◆ Max() [11/11]

static decimal System.Math.Max	(	decimal	val1,
		decimal	val2
	)

static

Returns the larger of two decimal numbers.

Parameters

val1	The first of two decimal numbers to compare.
val2	The second of two decimal numbers to compare.

Returns: Parameter val1 or val2 , whichever is larger.

Definition at line 749 of file Math.cs.

◆ Min() [1/11]

static sbyte System.Math.Min	(	sbyte	val1,
		sbyte	val2
	)

static

Returns the smaller of two 8-bit signed integers.

Parameters

val1	The first of two 8-bit signed integers to compare.
val2	The second of two 8-bit signed integers to compare.

Returns: Parameter val1 or val2 , whichever is smaller.

Definition at line 762 of file Math.cs.

◆ Min() [2/11]

static byte System.Math.Min	(	byte	val1,
		byte	val2
	)

static

Returns the smaller of two 8-bit unsigned integers.

Parameters

val1	The first of two 8-bit unsigned integers to compare.
val2	The second of two 8-bit unsigned integers to compare.

Returns: Parameter val1 or val2 , whichever is smaller.

Definition at line 778 of file Math.cs.

◆ Min() [3/11]

static short System.Math.Min	(	short	val1,
		short	val2
	)

static

Returns the smaller of two 16-bit signed integers.

Parameters

val1	The first of two 16-bit signed integers to compare.
val2	The second of two 16-bit signed integers to compare.

Returns: Parameter val1 or val2 , whichever is smaller.

Definition at line 794 of file Math.cs.

◆ Min() [4/11]

static ushort System.Math.Min	(	ushort	val1,
		ushort	val2
	)

static

Returns the smaller of two 16-bit unsigned integers.

Parameters

val1	The first of two 16-bit unsigned integers to compare.
val2	The second of two 16-bit unsigned integers to compare.

Returns: Parameter val1 or val2 , whichever is smaller.

Definition at line 811 of file Math.cs.

◆ Min() [5/11]

static int System.Math.Min	(	int	val1,
		int	val2
	)

static

Returns the smaller of two 32-bit signed integers.

Parameters

val1	The first of two 32-bit signed integers to compare.
val2	The second of two 32-bit signed integers to compare.

Returns: Parameter val1 or val2 , whichever is smaller.

Definition at line 827 of file Math.cs.

◆ Min() [6/11]

static uint System.Math.Min	(	uint	val1,
		uint	val2
	)

static

Returns the smaller of two 32-bit unsigned integers.

Parameters

val1	The first of two 32-bit unsigned integers to compare.
val2	The second of two 32-bit unsigned integers to compare.

Returns: Parameter val1 or val2 , whichever is smaller.

Definition at line 844 of file Math.cs.

◆ Min() [7/11]

static long System.Math.Min	(	long	val1,
		long	val2
	)

static

Returns the smaller of two 64-bit signed integers.

Parameters

val1	The first of two 64-bit signed integers to compare.
val2	The second of two 64-bit signed integers to compare.

Returns: Parameter val1 or val2 , whichever is smaller.

Definition at line 860 of file Math.cs.

◆ Min() [8/11]

static ulong System.Math.Min	(	ulong	val1,
		ulong	val2
	)

static

Returns the smaller of two 64-bit unsigned integers.

Parameters

val1	The first of two 64-bit unsigned integers to compare.
val2	The second of two 64-bit unsigned integers to compare.

Returns: Parameter val1 or val2 , whichever is smaller.

Definition at line 877 of file Math.cs.

◆ Min() [9/11]

static float System.Math.Min	(	float	val1,
		float	val2
	)

static

Returns the smaller of two single-precision floating-point numbers.

Parameters

val1	The first of two single-precision floating-point numbers to compare.
val2	The second of two single-precision floating-point numbers to compare.

Returns: Parameter val1 or val2 , whichever is smaller. If val1 , val2 , or both val1 and val2 are equal to F:System.Single.NaN, F:System.Single.NaN is returned.

Definition at line 892 of file Math.cs.

◆ Min() [10/11]

static double System.Math.Min	(	double	val1,
		double	val2
	)

static

Returns the smaller of two double-precision floating-point numbers.

Parameters

val1	The first of two double-precision floating-point numbers to compare.
val2	The second of two double-precision floating-point numbers to compare.

Returns: Parameter val1 or val2 , whichever is smaller. If val1 , val2 , or both val1 and val2 are equal to F:System.Double.NaN, F:System.Double.NaN is returned.

Definition at line 911 of file Math.cs.

◆ Min() [11/11]

static decimal System.Math.Min	(	decimal	val1,
		decimal	val2
	)

static

Returns the smaller of two decimal numbers.

Parameters

val1	The first of two decimal numbers to compare.
val2	The second of two decimal numbers to compare.

Returns: Parameter val1 or val2 , whichever is smaller.

Definition at line 930 of file Math.cs.

◆ Pow()

static double System.Math.Pow	(	double	x,
		double	y
	)

Returns a specified number raised to the specified power.

Parameters

x	A double-precision floating-point number to be raised to a power.
y	A double-precision floating-point number that specifies a power.

Returns: The number x raised to the power y .

◆ Round() [1/8]

static double System.Math.Round ( double a )

Rounds a double-precision floating-point value to the nearest integral value.

Parameters

a	A double-precision floating-point number to be rounded.

Returns: The integer nearest a . If the fractional component of a is halfway between two integers, one of which is even and the other odd, then the even number is returned. Note that this method returns a T:System.Double instead of an integral type.

◆ Round() [2/8]

static double System.Math.Round	(	double	value,
		int	digits
	)

static

Rounds a double-precision floating-point value to a specified number of fractional digits.

Parameters

value	A double-precision floating-point number to be rounded.
digits	The number of fractional digits in the return value.

Returns: The number nearest to value that contains a number of fractional digits equal to digits .

Exceptions

T:System.ArgumentOutOfRangeException digits is less than 0 or greater than 15.

Definition at line 210 of file Math.cs.

◆ Round() [3/8]

static double System.Math.Round	(	double	value,
		MidpointRounding	mode
	)

static

Rounds a double-precision floating-point value to the nearest integer. A parameter specifies how to round the value if it is midway between two numbers.

Parameters

value	A double-precision floating-point number to be rounded.
mode	Specification for how to round value if it is midway between two other numbers.

Returns: The integer nearest value . If value is halfway between two integers, one of which is even and the other odd, then mode determines which of the two is returned.

Exceptions

T:System.ArgumentException mode is not a valid value of T:System.MidpointRounding.

Definition at line 226 of file Math.cs.

◆ Round() [4/8]

static double System.Math.Round	(	double	value,
		int	digits,
		MidpointRounding	mode
	)

static

Rounds a double-precision floating-point value to a specified number of fractional digits. A parameter specifies how to round the value if it is midway between two numbers.

Parameters

value	A double-precision floating-point number to be rounded.
digits	The number of fractional digits in the return value.
mode	Specification for how to round value if it is midway between two other numbers.

Returns: The number nearest to value that has a number of fractional digits equal to digits . If value has fewer fractional digits than digits , value is returned unchanged.

Exceptions

T:System.ArgumentOutOfRangeException	digits is less than 0 or greater than 15.
T:System.ArgumentException	mode is not a valid value of T:System.MidpointRounding.

Definition at line 241 of file Math.cs.

◆ Round() [5/8]

static decimal System.Math.Round ( decimal d )

static

Rounds a decimal value to the nearest integral value.

Parameters

d	A decimal number to be rounded.

Returns: The integer nearest parameter d . If the fractional component of d is halfway between two integers, one of which is even and the other odd, the even number is returned. Note that this method returns a T:System.Decimal instead of an integral type.

Exceptions

T:System.OverflowException The result is outside the range of a T:System.Decimal.

Definition at line 259 of file Math.cs.

◆ Round() [6/8]

static decimal System.Math.Round	(	decimal	d,
		int	decimals
	)

static

Rounds a decimal value to a specified number of fractional digits.

Parameters

d	A decimal number to be rounded.
decimals	The number of decimal places in the return value.

Returns: The number nearest to d that contains a number of fractional digits equal to decimals .

Exceptions

T:System.ArgumentOutOfRangeException	decimals is less than 0 or greater than 28.
T:System.OverflowException	The result is outside the range of a T:System.Decimal.

Definition at line 272 of file Math.cs.

◆ Round() [7/8]

static decimal System.Math.Round	(	decimal	d,
		MidpointRounding	mode
	)

static

Rounds a decimal value to the nearest integer. A parameter specifies how to round the value if it is midway between two numbers.

Parameters

d	A decimal number to be rounded.
mode	Specification for how to round d if it is midway between two other numbers.

Returns: The integer nearest d . If d is halfway between two numbers, one of which is even and the other odd, then mode determines which of the two is returned.

Exceptions

T:System.ArgumentException	mode is not a valid value of T:System.MidpointRounding.
T:System.OverflowException	The result is outside the range of a T:System.Decimal.

Definition at line 285 of file Math.cs.

◆ Round() [8/8]

static decimal System.Math.Round	(	decimal	d,
		int	decimals,
		MidpointRounding	mode
	)

static

Rounds a decimal value to a specified number of fractional digits. A parameter specifies how to round the value if it is midway between two numbers.

Parameters

d	A decimal number to be rounded.
decimals	The number of decimal places in the return value.
mode	Specification for how to round d if it is midway between two other numbers.

Returns: The number nearest to d that contains a number of fractional digits equal to decimals . If d has fewer fractional digits than decimals , d is returned unchanged.

Exceptions

T:System.ArgumentOutOfRangeException	decimals is less than 0 or greater than 28.
T:System.ArgumentException	mode is not a valid value of T:System.MidpointRounding.
T:System.OverflowException	The result is outside the range of a T:System.Decimal.

Definition at line 301 of file Math.cs.

◆ Sign() [1/7]

static int System.Math.Sign ( sbyte value )

static

Returns an integer that indicates the sign of an 8-bit signed integer.

Parameters

value A signed number.

Returns: A number that indicates the sign of value , as shown in the following table.Return value Meaning -1 value is less than zero. 0 value is equal to zero. 1 value is greater than zero.

Definition at line 998 of file Math.cs.

◆ Sign() [2/7]

static int System.Math.Sign ( short value )

static

Returns an integer that indicates the sign of a 16-bit signed integer.

Parameters

value A signed number.

Returns: A number that indicates the sign of value , as shown in the following table.Return value Meaning -1 value is less than zero. 0 value is equal to zero. 1 value is greater than zero.

Definition at line 1018 of file Math.cs.

◆ Sign() [3/7]

static int System.Math.Sign ( int value )

static

Returns an integer that indicates the sign of a 32-bit signed integer.

Parameters

value A signed number.

Returns: A number that indicates the sign of value , as shown in the following table.Return value Meaning -1 value is less than zero. 0 value is equal to zero. 1 value is greater than zero.

Definition at line 1038 of file Math.cs.

◆ Sign() [4/7]

static int System.Math.Sign ( long value )

static

Returns an integer that indicates the sign of a 64-bit signed integer.

Parameters

value A signed number.

Returns: A number that indicates the sign of value , as shown in the following table.Return value Meaning -1 value is less than zero. 0 value is equal to zero. 1 value is greater than zero.

Definition at line 1058 of file Math.cs.

◆ Sign() [5/7]

static int System.Math.Sign ( float value )

static

Returns an integer that indicates the sign of a single-precision floating-point number.

Parameters

value A signed number.

Returns: A number that indicates the sign of value , as shown in the following table.Return value Meaning -1 value is less than zero. 0 value is equal to zero. 1 value is greater than zero.

Exceptions

T:System.ArithmeticException value is equal to F:System.Single.NaN.

Definition at line 1080 of file Math.cs.

◆ Sign() [6/7]

static int System.Math.Sign ( double value )

static

Returns an integer that indicates the sign of a double-precision floating-point number.

Parameters

value A signed number.

Returns: A number that indicates the sign of value , as shown in the following table.Return value Meaning -1 value is less than zero. 0 value is equal to zero. 1 value is greater than zero.

Exceptions

T:System.ArithmeticException value is equal to F:System.Double.NaN.

Definition at line 1106 of file Math.cs.

◆ Sign() [7/7]

static int System.Math.Sign ( decimal value )

static

Returns an integer that indicates the sign of a decimal number.

Parameters

value A signed decimal number.

Returns: A number that indicates the sign of value , as shown in the following table.Return value Meaning -1 value is less than zero. 0 value is equal to zero. 1 value is greater than zero.

Definition at line 1130 of file Math.cs.

◆ Sin()

static double System.Math.Sin ( double a )

Returns the sine of the specified angle.

Parameters

a	An angle, measured in radians.

Returns: The sine of a . If a is equal to F:System.Double.NaN, F:System.Double.NegativeInfinity, or F:System.Double.PositiveInfinity, this method returns F:System.Double.NaN.

◆ Sinh()

static double System.Math.Sinh ( double value )

Returns the hyperbolic sine of the specified angle.

Parameters

value An angle, measured in radians.

Returns: The hyperbolic sine of value . If value is equal to F:System.Double.NegativeInfinity, F:System.Double.PositiveInfinity, or F:System.Double.NaN, this method returns a T:System.Double equal to value .

◆ Sqrt()

static double System.Math.Sqrt ( double d )

Returns the square root of a specified number.

Parameters

d	The number whose square root is to be found.

Returns: One of the values in the following table. d parameter Return value Zero or positive The positive square root of d . Negative F:System.Double.NaN Equals F:System.Double.NaN F:System.Double.NaN Equals F:System.Double.PositiveInfinity F:System.Double.PositiveInfinity

◆ Tan()

static double System.Math.Tan ( double a )

Returns the tangent of the specified angle.

Parameters

a	An angle, measured in radians.

Returns: The tangent of a . If a is equal to F:System.Double.NaN, F:System.Double.NegativeInfinity, or F:System.Double.PositiveInfinity, this method returns F:System.Double.NaN.

◆ Tanh()

static double System.Math.Tanh ( double value )

Returns the hyperbolic tangent of the specified angle.

Parameters

value An angle, measured in radians.

Returns: The hyperbolic tangent of value . If value is equal to F:System.Double.NegativeInfinity, this method returns -1. If value is equal to F:System.Double.PositiveInfinity, this method returns 1. If value is equal to F:System.Double.NaN, this method returns F:System.Double.NaN.

◆ Truncate() [1/2]

static decimal System.Math.Truncate ( decimal d )

static

Calculates the integral part of a specified decimal number.

Parameters

d	A number to truncate.

Returns: The integral part of d ; that is, the number that remains after any fractional digits have been discarded.

Definition at line 314 of file Math.cs.

◆ Truncate() [2/2]

static double System.Math.Truncate ( double d )

static

Calculates the integral part of a specified double-precision floating-point number.

Parameters

d	A number to truncate.

Returns

The integral part of d ; that is, the number that remains after any fractional digits have been discarded, or one of the values listed in the following table. d Return value F:System.Double.NaN

F:System.Double.NaN

F:System.Double.NegativeInfinity

F:System.Double.PositiveInfinity

Definition at line 337 of file Math.cs.

Member Data Documentation

◆ E

const double System.Math.E = 2.7182818284590451

Represents the natural logarithmic base, specified by the constant, e.

Definition at line 42 of file Math.cs.

◆ PI

const double System.Math.PI = 3.1415926535897931

Represents the ratio of the circumference of a circle to its diameter, specified by the constant, π.

Definition at line 38 of file Math.cs.

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

D:/All cs/System/Math.cs

Public Member Functions

Static Public Member Functions

Public Attributes

Detailed Description

Member Function Documentation

◆ Abs() [1/7]

◆ Abs() [2/7]

◆ Abs() [3/7]

◆ Abs() [4/7]

◆ Abs() [5/7]

◆ Abs() [6/7]

◆ Abs() [7/7]

◆ Acos()

◆ Asin()

◆ Atan()

◆ Atan2()

◆ BigMul()

◆ Ceiling() [1/2]

◆ Ceiling() [2/2]

◆ Cos()

◆ Cosh()

◆ DivRem() [1/2]

◆ DivRem() [2/2]

◆ Exp()

◆ Floor() [1/2]

◆ Floor() [2/2]

◆ IEEERemainder()

◆ Log() [1/2]

◆ Log() [2/2]

◆ Log10()

◆ Max() [1/11]

◆ Max() [2/11]

◆ Max() [3/11]

◆ Max() [4/11]

◆ Max() [5/11]

◆ Max() [6/11]

◆ Max() [7/11]

◆ Max() [8/11]

◆ Max() [9/11]

◆ Max() [10/11]

◆ Max() [11/11]

◆ Min() [1/11]

◆ Min() [2/11]

◆ Min() [3/11]

◆ Min() [4/11]

◆ Min() [5/11]

◆ Min() [6/11]

◆ Min() [7/11]

◆ Min() [8/11]

◆ Min() [9/11]

◆ Min() [10/11]

◆ Min() [11/11]

◆ Pow()

◆ Round() [1/8]

◆ Round() [2/8]

◆ Round() [3/8]

◆ Round() [4/8]

◆ Round() [5/8]

◆ Round() [6/8]

◆ Round() [7/8]

◆ Round() [8/8]

◆ Sign() [1/7]

◆ Sign() [2/7]

◆ Sign() [3/7]

◆ Sign() [4/7]

◆ Sign() [5/7]

◆ Sign() [6/7]

◆ Sign() [7/7]

◆ Sin()

◆ Sinh()

◆ Sqrt()

◆ Tan()

◆ Tanh()

◆ Truncate() [1/2]

◆ Truncate() [2/2]

Member Data Documentation

◆ E

◆ PI