RAD Studio VCL Reference
EInvalidOp Class

EInvalidOp is the exception class for undefined floating-point operations.

EInvalidOp = class(EMathError);
class EInvalidOp : public EMathError;

EInvalidOp is raised when the CPU encounters an undefined instruction, invalid operation, or floating-point stack overflow. 

Run-time exception information is saved in fields provided by EExternal.

Note: Do not confuse EInvalidOp with EInvalidOperation, the exception class for invalid component operations.


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