quietNaN

import Swift

@frozen enum FloatingPointClassification

The IEEE 754 floating-point classes.

case negativeInfinity

A value equal to -infinity.

case negativeNormal

A negative value that uses the full precision of the floating-point type.

case negativeSubnormal

A negative, nonzero number that does not use the full precision of the floating-point type.

case negativeZero

A value equal to zero with a negative sign.

case positiveInfinity

A value equal to +infinity.

case positiveNormal

A positive value that uses the full precision of the floating-point type.

case positiveSubnormal

A positive, nonzero number that does not use the full precision of the floating-point type.

case positiveZero

A value equal to zero with a positive sign.

case signalingNaN

A signaling NaN (“not a number”).