abs(a)
abs_diff(a,b)
returns a with sign of b copysign(a,b)
a
b
exp(a)
fabs(a)
floor(a)
isnan(a)
ternary mad operator e1 * e2 + e3
max(a,b)
min(a,b)
Return nan of corresponding float type
a^i
returns 1 with sign of a and 0 for a = +-0 copysign(a,b)