1 /*
   2  * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.core.common.calc;
  24 
  25 import org.graalvm.compiler.debug.GraalError;
  26 
  27 public enum FloatConvert {
  28     F2I,
  29     D2I,
  30     F2L,
  31     D2L,
  32     I2F,
  33     L2F,
  34     D2F,
  35     I2D,
  36     L2D,
  37     F2D;
  38 
  39     public FloatConvert reverse() {
  40         switch (this) {
  41             case D2F:
  42                 return F2D;
  43             case D2I:
  44                 return I2D;
  45             case D2L:
  46                 return L2D;
  47             case F2D:
  48                 return D2F;
  49             case F2I:
  50                 return I2F;
  51             case F2L:
  52                 return L2F;
  53             case I2D:
  54                 return D2I;
  55             case I2F:
  56                 return F2I;
  57             case L2D:
  58                 return D2L;
  59             case L2F:
  60                 return F2L;
  61             default:
  62                 throw GraalError.shouldNotReachHere();
  63         }
  64     }
  65 }