double2_add double2_collinear double2_eq double2_make double2_out double2_set double2segm_interpolate double3_add double3_collinear double3_eq double3_make double3_out double3_set double3segm_interpolate double4_add double4_collinear double4_eq double4_make double4_out double4_set double4segm_interpolate

double4segm_interpolate() double4 * double4segm_interpolate ( const double4 *  start, const double4 *  end, long double  ratio  ) Return a double4 interpolated from a double4 segment with respect to a fraction of its total length. Parameters [in] start,end Values defining the segment [in] ratio Value between 0 and 1 representing the fraction of the total length of the segment where the value must be located Note Function used for determining the value of a segment at a timestamp