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Floating-Point Exceptions

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Floating-point exceptions that can occur in Delphi or C++ applications are listed in the following table.

Exception Class Description
System.SysUtils.EInvalidOp Undefined floating-point instruction or invalid mathematical operation.
For example, Sqrt(-1), ArcTan(10), 0/0, or Partial Loss of Precision.
System.SysUtils.EZeroDivide Floating-Point Exception: Divide by 0
System.SysUtils.EOverflow Floating-Point Exception: Overflow
System.SysUtils.EUnderflow Floating-Point Exception: Underflow

To mask these exceptions, use the SetExceptionMask procedure. See also: GetExceptionMask, SetExceptions, and TArithmeticException.


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