Source for java.math.RoundingMode

 1:  /* RoundingMode.java -- An Enum to replace BigDecimal rounding constants. 
 2:  Copyright (C) 1999, 2000, 2002, 2004, 2005 Free Software Foundation, Inc.
 3: 
 4: This file is part of GNU Classpath.
 5: 
 6: GNU Classpath is free software; you can redistribute it and/or modify
 7: it under the terms of the GNU General Public License as published by
 8: the Free Software Foundation; either version 2, or (at your option)
 9: any later version.
 10: 
 11: GNU Classpath is distributed in the hope that it will be useful, but
 12: WITHOUT ANY WARRANTY; without even the implied warranty of
 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 14: General Public License for more details.
 15: 
 16: You should have received a copy of the GNU General Public License
 17: along with GNU Classpath; see the file COPYING. If not, write to the
 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 19: 02110-1301 USA.
 20: 
 21: Linking this library statically or dynamically with other modules is
 22: making a combined work based on this library. Thus, the terms and
 23: conditions of the GNU General Public License cover the whole
 24: combination.
 25: 
 26: As a special exception, the copyright holders of this library give you
 27: permission to link this library with independent modules to produce an
 28: executable, regardless of the license terms of these independent
 29: modules, and to copy and distribute the resulting executable under
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 31: independent module, the terms and conditions of the license of that
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 37: 
 38: 
 39:  package java.math;
 40: 
 41:  /**
 42:  * An enum to specify rounding behaviour for numerical operations that may
 43:  * discard precision.
 44:  * @author Anthony Balkissoon abalkiss at redhat dot com
 45:  *
 46:  */
 47:  public enum RoundingMode
 48: {
 49:  UP, DOWN, CEILING, FLOOR, HALF_UP, HALF_DOWN, HALF_EVEN, UNNECESSARY;
 50: 
 51:  /**
 52:  * For compatability with Sun's JDK
 53:  */
 54:  private static final long serialVersionUID = 432302042773881265L;
 55:  
 56:  /**
 57:  * Returns the RoundingMode object corresponding to the legacy rounding modes
 58:  * in BigDecimal.
 59:  * @param rm the legacy rounding mode
 60:  * @return the corresponding RoundingMode
 61:  */
 62:  public static RoundingMode valueOf(int rm)
 63:  {
 64:  switch (rm)
 65:  {
 66:  case BigDecimal.ROUND_CEILING:
 67:  return CEILING;
 68:  case BigDecimal.ROUND_FLOOR:
 69:  return FLOOR;
 70:  case BigDecimal.ROUND_DOWN:
 71:  return DOWN;
 72:  case BigDecimal.ROUND_UP:
 73:  return UP;
 74:  case BigDecimal.ROUND_HALF_UP:
 75:  return HALF_UP;
 76:  case BigDecimal.ROUND_HALF_DOWN:
 77:  return HALF_DOWN;
 78:  case BigDecimal.ROUND_HALF_EVEN:
 79:  return HALF_EVEN;
 80:  case BigDecimal.ROUND_UNNECESSARY:
 81:  return UNNECESSARY;
 82:  default:
 83:  throw new 
 84:  IllegalArgumentException("invalid argument: " + rm + 
 85:  ". Argument should be one of the " + 
 86:  "rounding modes defined in BigDecimal.");
 87:  }
 88:  }
 89: }