Returns the exception mask from the FPU control word.
function GetExceptionMask: TFPUExceptionMask;
TFPUExceptionMask GetExceptionMask();
Call GetExceptionMask to ascertain the types of exceptions the FPU (floating-point unit) generates. Any element set in this mask prevents the FPU from raising the corresponding type of exception. Instead, the FPU returns its best attempt at a value – often NaN, Infinity, or NegInfinity. The value depends on the operation and the current rounding mode.
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