ffaabbss() -- Mathematics Function (libm)

Compute absolute value
#iinncclluuddee <mmaatthh.hh>
ddoouubbllee ffaabbss(_z) ddoouubbllee _z;

ffaabbss() implements the  absolute value function.  It returns _z  if _z is zero
or positive, or -_z if _z is negative.

_E_x_a_m_p_l_e
For an example of this function, see the entry for cceeiill().

_S_e_e _A_l_s_o
aabbss(), cceeiill(), fflloooorr(), ffrreexxpp(), lliibbmm
ANSI Standard, section 7.5.6.2
POSIX Standard, section 8.1
