qNaNs
qNaN, or quiet NaN, is a NaN that carries a quiet bit indicating it should be propagated through floating-point computations without raising exceptions. It contrasts with signaling NaN (sNaN), which is intended to trigger an invalid-operation exception when used in calculations. In practice, qNaNs arise to represent invalid or missing results while allowing the program to continue running.
Encoding and identification: In IEEE 754 binary formats, a NaN is represented by an exponent of all
Behavior and usage: When an arithmetic operation encounters a NaN, the result is typically a NaN that