/* --------------------------------- */
/* save as x_init.h                  */
/* --------------------------------- */
/* --------------------------------- */
pt2d i_pt2d(
double a,
double b
)
{
pt2d p;

        p.x = a;
        p.y = b;

return (p);
}
/* --------------------------------- */
pt3d i_pt3d(
double a,
double b,
double c
)
{
pt3d p;

        p.x = a;
        p.y = b;
        p.z = c;

return (p);
}
/* --------------------------------- */
v2d i_v2d(
double i,
double j
)
{
v2d u;

        u.i = i;
        u.j = j;

return (u);
}
/* --------------------------------- */
v3d i_v3d(
double i,
double j,
double k
)
{
v3d u;

        u.i = i;
        u.j = j;
        u.k = k;

return (u);
}
/* --------------------------------- */