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37 lines
985 B
Plaintext
37 lines
985 B
Plaintext
{{QBDLDATE:07-31-2022}}
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{{QBDLTIME:23:41:19}}
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[[CDBL]] converts a value to the closest [[DOUBLE]]-precision value.
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{{PageSyntax}}
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: {{Parameter|doubleValue#}} = [[CDBL]]({{Parameter|expression}})
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{{Parameters}}
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* {{Parameter|expression}} is any [[TYPE]] of literal or variable numerical value or mathematical calculation.
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{{PageDescription}}
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* Rounds to the closest [[DOUBLE]] floating decimal point value.
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* Also can be used to define a value as [[DOUBLE]]-precision up to 15 decimals.
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{{PageExamples}}
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''Example:'' Prints a double-precision version of the single-precision value stored in the variable named A.
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{{CodeStart}}
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A = 454.67
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{{Cl|PRINT}} A; {{Cl|CDBL}}(A)
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{{CodeEnd}}
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{{OutputStart}} 454.67 454.6700134277344
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{{OutputEnd}}
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: 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}}
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* [[CINT]], [[CLNG]]
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* [[CSNG]], [[_ROUND]]
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{{PageNavigation}}
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