FUNCTION scalar_times_vector

(* SCHEMA step_merged_ap_schema; *)

-- DIFF IN AP214
-- DIFF IN AP203e2
-- DIFF IN AP224
-- DIFF IN AP232
FUNCTION scalar_times_vector
      (scalar : REAL;
       vec : vector_or_direction ) : vector;
   LOCAL
      v : direction;
      mag : REAL;
      result : vector;
   END_LOCAL;
      IF NOT EXISTS(scalar) OR NOT EXISTS(vec) THEN
         RETURN (?);
      ELSE
         IF 'STEP_MERGED_AP_SCHEMA.VECTOR' IN TYPEOF(vec) THEN
            v := dummy_gri || direction(vec\vector.orientation.direction_ratios);
            mag := scalar * vec\vector.magnitude;
         ELSE
            v := dummy_gri || direction(vec.direction_ratios);
            mag := scalar;
         END_IF;
         IF mag < 0.0 THEN
            REPEAT i := 1 TO SIZEOF(v.direction_ratios);
               v.direction_ratios[i] := -v.direction_ratios[i];
            END_REPEAT;
            mag := -mag;
         END_IF;
         result := dummy_gri || vector(normalise(v), mag);
      END_IF;
      RETURN (result);
END_FUNCTION;

Referenced By

Defintion scalar_times_vector is references by the following definitions:

Definition	Type
first_proj_axis	FUNCTION
second_proj_axis	FUNCTION

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