Function IsNanForSystemsWithoutNan

tests/CppUTest/TestFailureNaNTest.cpp:44–44

extern "C" {
    static int IsNanForSystemsWithoutNan(double d) { return ((long)not_a_number == (long)d); }
    static int IsInfForSystemsWithoutInf(double d) { return ((long)infinity == (long)d); }
}