| Description |
The Infinity constant is a special floating point number, marked as infinite in size.
It may be assigned and calculated upon, but use IsInfinite for comparisons.
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| Related commands |
| IsInfinite |
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Checks whether a floating point number is infinite |
| IsNaN |
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Checks to see if a floating point number holds a real number |
| NaN |
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Not a real number |
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| Example code : Illustrate use of Infinity |
var
float1, float2 : single;
begin
float1 := Infinity;
float2 := 23;
WriteLn('float1 = '+FloatToStr(float1));
WriteLn('float2 = '+FloatToStr(float2));
WriteLn('float1 - float2 = '+FloatToStr(float1 - float2));
WriteLn('-float1 = '+FloatToStr(-float1));
end;
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| Show full unit code |
float1 = INF
float2 = 23
float1 - float2 = INF
-float1 = -INF
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