| [Overview][Constants][Types][Classes][Procedures and functions] | Reference for unit 'math' (#rtl) |
Check whether value is zero
Source position: line 0
function IsZero( |
const A: Single; |
Epsilon: Single |
):Boolean; |
const A: Single |
):Boolean; |
const A: Extended; |
Epsilon: Extended |
):Boolean; |
const A: Extended |
):Boolean; |
IsZero checks whether the float value A is zero, up to a precision of Epsilon. It returns True if Abs(A) is less than Epsilon.
The default value for Epsilon is dependent on the type of the arguments, but is MinFloat for the float type.
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Check whether value is Not a Number |
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Check whether value is infinite |
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Check whether 2 float values are the same |
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