01: //
02: // Copyright (C) 2005 United States Government as represented by the
03: // Administrator of the National Aeronautics and Space Administration
04: // (NASA). All Rights Reserved.
05: //
06: // This software is distributed under the NASA Open Source Agreement
07: // (NOSA), version 1.3. The NOSA has been approved by the Open Source
08: // Initiative. See the file NOSA-1.3-JPF at the top of the distribution
09: // directory tree for the complete NOSA document.
10: //
11: // THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
12: // KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
13: // LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
14: // SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
15: // A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
16: // THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
17: // DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
18: //
19:
20: package gov.nasa.jpf.jvm;
21:
22: /**
23: * MJI NativePeer class for java.lang.Float library abstraction
24: */
25: public class JPF_java_lang_Float {
26: public static int floatToIntBits(MJIEnv env, int rcls, float v0) {
27: return Float.floatToIntBits(v0);
28: }
29:
30: public static int floatToRawIntBits(MJIEnv env, int rcls, float v0) {
31: return Float.floatToRawIntBits(v0);
32: }
33:
34: public static float intBitsToFloat(MJIEnv env, int rcls, int v0) {
35: return Float.intBitsToFloat(v0);
36: }
37:
38: // we need to intercept this because it compares double values, which might
39: // cause an ArithmeticException to be raised if -check-fp-compare is set (default)
40: // but -check-fp isn't, and Double.isInfinit is used to handle the cases
41: // explicitly in the program (which is supposed to be the right way)
42: public static boolean isInfinite__D(MJIEnv env, int rcls, float v) {
43: return Float.isInfinite(v);
44: }
45:
46: // ditto (see isInfinite)
47: public static boolean isNaN__D(MJIEnv env, int rcls, float v) {
48: return Float.isNaN(v);
49: }
50: }
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