# Math Canonical Functions

Entity SQL includes the following math canonical functions:

## Abs(value)

Returns the absolute value of value.

Arguments

An Int16, Int32, Int64, Byte, Single, Double, and Decimal.

Return Value

The type of value.

Example

Abs(-2)

## Ceiling(value)

Returns the smallest integer that is not less than value.

Arguments

A Single, Double, and Decimal.

Return Value

The type of value.

Example

SELECT VALUE product FROM AdventureWorksEntities.Products AS product
WHERE CEILING(product.ListPrice) == FLOOR(product.ListPrice)

SELECT VALUE product FROM AdventureWorksEntities.Products AS product
WHERE CEILING(product.ListPrice) == FLOOR(product.ListPrice)


## Floor(value)

Returns the largest integer that is not greater than value.

Arguments

A Single, Double, and Decimal.

Return Value

The type of value.

Example

SELECT VALUE product FROM AdventureWorksEntities.Products AS product
WHERE FLOOR(product.ListPrice) == CEILING(product.ListPrice)

SELECT VALUE product FROM AdventureWorksEntities.Products AS product
WHERE FLOOR(product.ListPrice) == CEILING(product.ListPrice)


## Power(value, exponent)

Returns the result of the specified value to the specified exponent.

Arguments

value An Int32, Int64, Double, or Decimal.
exponent An Int64, Double, or Decimal.

Return Value

The type of value.

Example

Power(748.58,2)

## Round(value)

Returns the integer portion of value, rounded to the nearest integer.

Arguments

A Single, Double, and Decimal.

Return Value

The type of value.

Example

Round(748.58)

## Round(value, digits)

Returns the value, rounded to the nearest specified digits.

Arguments

value Double or Decimal.
digits Int16 or Int32.

Return Value

The type of value.

Example

Round(748.58,1)

## Truncate(value, digits)

Returns the value, truncated to the nearest specified digits.

Arguments

value Double or Decimal.
digits Int16 or Int32.

Return Value

The type of value.

Example

Truncate(748.58,1)

These functions will return null if given null input.

Equivalent functionality is available in the Microsoft SQL Client Managed Provider. For more information, see SqlClient for Entity Framework Functions.