aassiinn() -- Mathematics Function (libm)

Calculate inverse sine
#iinncclluuddee <mmaatthh.hh>
ddoouubbllee aassiinn(_a_r_g) ddoouubbllee _a_r_g;

aassiinn() calculates the inverse sin of  _a_r_g, which must be in the range [-1.,
1.].  The result will be in the range [-pi/2, pi/2].

_E_x_a_m_p_l_e
For an example of this function, see the entry for ttaann().

_S_e_e _A_l_s_o
lliibbmm, ssiinn()
ANSI Standard, section 7.5.2.2
POSIX Standard, section 8.1

_D_i_a_g_n_o_s_t_i_c_s
Out-of-range arguments set eerrrrnnoo to EEDDOOMM and return zero.
