| Description |
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The IsInfinite function returns True if FloatNumber is infinite in value.
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| Related commands |
| Infinity |
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Floating point value of infinite size |
| 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 : Assign Infinity to a number and then test using IsInfinite |
var
float : Double;
begin
// Set the number to infinity
float := Infinity; // Equivalent to 1.0/0.0
// Although infinite, we can still display it
WriteLn('float = '+FloatToStr(float));
// And we can test to see if it is infinite
if IsInfinite(float)
then WriteLn('float is infinite')
else WriteLn('float = '+FloatToStr(float));
end;
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| Show full unit code |
float = INF
float is infinite
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