is_NaN()

static bool xtd::math::is_NaN ( double  value )

staticnoexcept

Returns a value indicating whether the specified number evaluates to not a number.

Parameters

value

A double-precision floating-point number.

Returns

true if value evaluates to not a number; otherwise, false.

Deprecated:

Replaced by xtd::double_object::is_NaN - Will be removed in version 0.4.0