ccos() returns the cosine of a complex number, x + iy.
ccos(x,y) is defined as cos (x + iy) = (cos x * cosh y - i * sin
x * sinh y).
Entry-Point Names
Generic
Function Data Type OpenVMS Tru64 UNIX
Name Required
ccos S_FLOAT math$ccos_s ccosf
T_FLOAT math$ccos_t ccos
X_FLOAT math$ccos_x ccosl
F_FLOAT math$ccos_f
G_FLOAT math$ccos_g