Check whether value is zero.
Source position: math.pp line 265
function IsZero( |
const A: Single; |
Epsilon: Single |
):Boolean; overload; |
const A: Single |
):Boolean; overload; |
const A: Double; |
Epsilon: Double |
):Boolean; overload; |
const A: Double |
):Boolean; overload; |
const A: Extended; |
Epsilon: Extended |
):Boolean; overload; |
const A: Extended |
):Boolean; overload; |
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 depends on the type of the argument: it is 1E-4 for Single, 1E-12 for Double and 1E-16 for extended.
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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. |