# Difference between revisions of "CDBL"

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− | + | [[CDBL]] converts a value to the closest [[DOUBLE]]-precision value. | |

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− | + | {{PageSyntax}} | |

− | + | : {{Parameter|doubleValue#}} = [[CDBL]]({{Parameter|expression}}) | |

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− | + | {{Parameters}} | |

+ | * {{Parameter|expression}} is any [[TYPE]] of literal or variable numerical value or mathematical calculation. | ||

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+ | {{PageDescription}} | ||

+ | * Rounds to the closest [[DOUBLE]] floating decimal point value. | ||

+ | * Also can be used to define a value as [[DOUBLE]]-precision up to 15 decimals. | ||

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+ | {{PageExamples}} | ||

+ | ''Example:'' Prints a double-precision version of the single-precision value stored in the variable named A. | ||

+ | {{CodeStart}} | ||

+ | A = 454.67 | ||

+ | {{Cl|PRINT}} A; {{Cl|CDBL}}(A) | ||

+ | {{CodeEnd}} | ||

+ | {{OutputStart}} 454.67 454.6700134277344 | ||

+ | {{OutputEnd}} | ||

+ | : The last 11 numbers in the double-precision number change the value in this example, since A was previously defined to only two-decimal place accuracy. | ||

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+ | {{PageSeeAlso}} | ||

+ | * [[CINT]], [[CLNG]] | ||

+ | * [[CSNG]], [[_ROUND]] | ||

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+ | |||

+ | {{PageNavigation}} |

## Revision as of 11:10, 10 September 2017

CDBL converts a value to the closest DOUBLE-precision value.

## Syntax

*doubleValue#*= CDBL(*expression*)

## Parameters

*expression*is any TYPE of literal or variable numerical value or mathematical calculation.

## Description

- Rounds to the closest DOUBLE floating decimal point value.
- Also can be used to define a value as DOUBLE-precision up to 15 decimals.

## Examples

*Example:* Prints a double-precision version of the single-precision value stored in the variable named A.

454.67 454.6700134277344

- The last 11 numbers in the double-precision number change the value in this example, since A was previously defined to only two-decimal place accuracy.

## See also

*Navigation:*