__k_cosl
return -__k_cosl(y[0], y[1]);
return __k_cosl(x, z);
return __k_cosl(y[0], y[1]);
extern long double __k_cosl(long double, long double);
return __k_cosl(y[0], y[1]);
return -__k_cosl(y[0], y[1]);
y = __k_cosl(pi * t, zero);
return (__k_cosl(x, z));
return (__k_cosl(y[0], y[1]));
return (-__k_cosl(y[0], y[1]));
extern long double __k_cosl(long double, long double);
return (__k_cosl(y[0], y[1]));
return (-__k_cosl(y[0], y[1]));
y = __k_cosl(pi * t, zero);