spheroid_big_b()

static double spheroid_big_b ( double  u2 )

static

Definition at line 60 of file lwspheroid.c.

References SPHEROID::a, area(), distance(), SPHEROID::f, getPoint2d_p(), GEOGRAPHIC_POINT::lat, GEOGRAPHIC_POINT::lon, LW_SUCCESS, LWDEBUGF, lwerror(), POINTARRAY::npoints, ptarray_area_spheroid(), r, spheroid_direction(), spheroid_distance(), spheroid_project(), POINT2D::x, and POINT2D::y.

Referenced by spheroid_distance(), and spheroid_project().

{
        return (u2 / 1024.0) * (256.0 + u2 * (-128.0 + u2 * (74.0 - 47.0 * u2)));
}

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