2 * Copyright (C) 2014, United States Government, as represented by the
3 * Administrator of the National Aeronautics and Space Administration.
6 * The Java Pathfinder core (jpf-core) platform is licensed under the
7 * Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0.
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 package gov.nasa.jpf.vm;
20 import gov.nasa.jpf.annotation.MJI;
21 import gov.nasa.jpf.vm.MJIEnv;
22 import gov.nasa.jpf.vm.NativePeer;
25 * MJI NativePeer class for java.lang.Double library abstraction
27 public class JPF_java_lang_Double extends NativePeer {
29 public long doubleToLongBits__D__J (MJIEnv env, int rcls, double v0) {
30 return Double.doubleToLongBits(v0);
34 public long doubleToRawLongBits__D__J (MJIEnv env, int rcls, double v0) {
35 return Double.doubleToRawLongBits(v0);
39 public double longBitsToDouble__J__D (MJIEnv env, int rcls, long v0) {
40 return Double.longBitsToDouble(v0);
44 public int toString__D__Ljava_lang_String_2 (MJIEnv env, int objref, double d) {
45 return env.newString(Double.toString(d));
48 // we need to intercept this because it compares double values, which might
49 // cause an ArithmeticException to be raised if -check-fp-compare is set (default)
50 // but -check-fp isn't, and Double.isInfinit is used to handle the cases
51 // explicitly in the program (which is supposed to be the right way)
53 public boolean isInfinite__D__Z (MJIEnv env, int rcls, double v) {
54 return Double.isInfinite(v);
57 // ditto (see isInfinite)
59 public boolean isNaN__D__Z (MJIEnv env, int rcls, double v) {
60 return Double.isNaN(v);