package org.djunits.value.vdouble.scalar;
   
   import java.util.regex.Matcher;
   
   import javax.annotation.Generated;
   
   import org.djunits.Throw;
   import org.djunits.unit.AngleUnit;
   import org.djunits.unit.DirectionUnit;
  import org.djunits.value.util.ValueUtil;
  import org.djunits.value.vdouble.scalar.base.AbstractDoubleScalarAbs;
  
  /**
   * Easy access methods for the Absolute Direction DoubleScalar.
   * <p>
   * Copyright (c) 2013-2020 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. <br>
   * All rights reserved. <br>
   * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
   * </p>
   * @author <a href="https://www.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   * @author <a href="https://www.tudelft.nl/staff/p.knoppers/">Peter Knoppers</a>
   */
  @Generated(value = "org.djunits.generator.GenerateDJUNIT", date = "2020-01-19T15:21:24.964166400Z")
  public class Direction extends AbstractDoubleScalarAbs<DirectionUnit, Direction, AngleUnit, Angle>
  {
      /** */
      private static final long serialVersionUID = 20150901L;
  
      /** Constant with value zero. */
      public static final Directionscalar/Direction.html#Direction">Direction ZERO = new Direction(0.0, DirectionUnit.DEFAULT);
  
      /**
       * Construct Direction scalar.
       * @param value double; value
       * @param unit DirectionUnit; unit for the double value
       */
      public Direction(final double value, final DirectionUnit unit)
      {
          super(value, unit);
      }
  
      /**
       * Construct Direction scalar.
       * @param value Direction; Scalar from which to construct this instance
       */
      public Directionuble/scalar/Direction.html#Direction">Direction(final Direction value)
      {
          super(value);
      }
  
      /** {@inheritDoc} */
      @Override
      public final Direction instantiateAbs(final double value, final DirectionUnit unit)
      {
          return new Direction(value, unit);
      }
  
      /** {@inheritDoc} */
      @Override
      public final Angle instantiateRel(final double value, final AngleUnit unit)
      {
          return new Angle(value, unit);
      }
  
      /**
       * Construct Direction scalar.
       * @param value double; value in SI units
       * @return Direction; the new scalar with the SI value
       */
      public static final Direction instantiateSI(final double value)
      {
          return new Direction(value, DirectionUnit.DEFAULT);
      }
  
      /**
       * Interpolate between two values.
       * @param zero Direction; the low value
       * @param one Direction; the high value
       * @param ratio double; the ratio between 0 and 1, inclusive
       * @return Direction; a Scalar at the ratio between
       */
      public static Directioncalar/Direction.html#Direction">DirectionDirection.html#Direction">Direction interpolate(final Directioncalar/Direction.html#Direction">Direction zero, final Direction one, final double ratio)
      {
          return new Direction(zero.getInUnit() * (1 - ratio) + one.getInUnit(zero.getDisplayUnit()) * ratio,
                  zero.getDisplayUnit());
      }
  
      /**
       * Return the maximum value of two absolute scalars.
       * @param a1 Direction; the first scalar
       * @param a2 Direction; the second scalar
       * @return Direction; the maximum value of two absolute scalars
       */
      public static Direction/scalar/Direction.html#Direction">Direction/scalar/Direction.html#Direction">Direction max(final Direction/scalar/Direction.html#Direction">Direction a1, final Direction a2)
      {
          return a1.gt(a2) ? a1 : a2;
      }
  
      /**
      * Return the maximum value of more than two absolute scalars.
      * @param a1 Direction; the first scalar
      * @param a2 Direction; the second scalar
      * @param an Direction...; the other scalars
      * @return the maximum value of more than two absolute scalars
      */
     public static Direction/scalar/Direction.html#Direction">Direction/scalar/Direction.html#Direction">Direction max(final Direction/scalar/Direction.html#Direction">Direction a1, final Direction a2, final Direction... an)
     {
         Direction maxa = a1.gt(a2) ? a1 : a2;
         for (Direction a : an)
         {
             if (a.gt(maxa))
             {
                 maxa = a;
             }
         }
         return maxa;
     }
 
     /**
      * Return the minimum value of two absolute scalars.
      * @param a1 Direction; the first scalar
      * @param a2 Direction; the second scalar
      * @return the minimum value of two absolute scalars
      */
     public static Direction/scalar/Direction.html#Direction">Direction/scalar/Direction.html#Direction">Direction min(final Direction/scalar/Direction.html#Direction">Direction a1, final Direction a2)
     {
         return a1.lt(a2) ? a1 : a2;
     }
 
     /**
      * Return the minimum value of more than two absolute scalars.
      * @param a1 Direction; the first scalar
      * @param a2 Direction; the second scalar
      * @param an Direction...; the other scalars
      * @return the minimum value of more than two absolute scalars
      */
     public static Direction/scalar/Direction.html#Direction">Direction/scalar/Direction.html#Direction">Direction min(final Direction/scalar/Direction.html#Direction">Direction a1, final Direction a2, final Direction... an)
     {
         Direction mina = a1.lt(a2) ? a1 : a2;
         for (Direction a : an)
         {
             if (a.lt(mina))
             {
                 mina = a;
             }
         }
         return mina;
     }
 
     /**
      * Returns a Direction representation of a textual representation of a value with a unit. The String representation that can
      * be parsed is the double value in the unit, followed by the official abbreviation of the unit. Spaces are allowed, but not
      * required, between the value and the unit.
      * @param text String; the textual representation to parse into a Direction
      * @return Direction; the Scalar representation of the value in its unit
      * @throws IllegalArgumentException when the text cannot be parsed
      * @throws NullPointerException when the text argument is null
      */
     public static Direction valueOf(final String text)
     {
         Throw.whenNull(text, "Error parsing Direction: text to parse is null");
         Throw.when(text.length() == 0, IllegalArgumentException.class, "Error parsing Direction: empty text to parse");
         Matcher matcher = ValueUtil.NUMBER_PATTERN.matcher(text);
         if (matcher.find())
         {
             int index = matcher.end();
             String unitString = text.substring(index).trim();
             String valueString = text.substring(0, index).trim();
             DirectionUnit unit = DirectionUnit.BASE.getUnitByAbbreviation(unitString);
             if (unit != null)
             {
                 double d = Double.parseDouble(valueString);
                 return new Direction(d, unit);
             }
         }
         throw new IllegalArgumentException("Error parsing Direction from " + text);
     }
 
     /**
      * Returns a Direction based on a value and the textual representation of the unit.
      * @param value double; the value to use
      * @param unitString String; the textual representation of the unit
      * @return Direction; the Scalar representation of the value in its unit
      * @throws IllegalArgumentException when the unit cannot be parsed or is incorrect
      * @throws NullPointerException when the unitString argument is null
      */
     public static Direction of(final double value, final String unitString)
     {
         Throw.whenNull(unitString, "Error parsing Direction: unitString is null");
         Throw.when(unitString.length() == 0, IllegalArgumentException.class, "Error parsing Direction: empty unitString");
         DirectionUnit unit = DirectionUnit.BASE.getUnitByAbbreviation(unitString);
         if (unit != null)
         {
             return new Direction(value, unit);
         }
         throw new IllegalArgumentException("Error parsing Direction with unit " + unitString);
     }
 
 }