3 static const double zero
= 0.0;
4 static const double pone
= 1.0;
5 static const double none
= -1.0;
6 static const double pinf
= 1.0 / 0.0;
7 static const double ninf
= -1.0 / 0.0;
12 if (pinf
!= pone
/zero
)
15 if (ninf
!= none
/zero
)
22 if (-HUGE_VAL
!= ninf
)