source: vendor/python/2.5/Modules/fpetestmodule.c@ 3368

Last change on this file since 3368 was 3225, checked in by bird, 19 years ago

Python 2.5

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[3225]1/*
2 ---------------------------------------------------------------------
3 / Copyright (c) 1996. \
4 | The Regents of the University of California. |
5 | All rights reserved. |
6 | |
7 | Permission to use, copy, modify, and distribute this software for |
8 | any purpose without fee is hereby granted, provided that this en- |
9 | tire notice is included in all copies of any software which is or |
10 | includes a copy or modification of this software and in all |
11 | copies of the supporting documentation for such software. |
12 | |
13 | This work was produced at the University of California, Lawrence |
14 | Livermore National Laboratory under contract no. W-7405-ENG-48 |
15 | between the U.S. Department of Energy and The Regents of the |
16 | University of California for the operation of UC LLNL. |
17 | |
18 | DISCLAIMER |
19 | |
20 | This software was prepared as an account of work sponsored by an |
21 | agency of the United States Government. Neither the United States |
22 | Government nor the University of California nor any of their em- |
23 | ployees, makes any warranty, express or implied, or assumes any |
24 | liability or responsibility for the accuracy, completeness, or |
25 | usefulness of any information, apparatus, product, or process |
26 | disclosed, or represents that its use would not infringe |
27 | privately-owned rights. Reference herein to any specific commer- |
28 | cial products, process, or service by trade name, trademark, |
29 | manufacturer, or otherwise, does not necessarily constitute or |
30 | imply its endorsement, recommendation, or favoring by the United |
31 | States Government or the University of California. The views and |
32 | opinions of authors expressed herein do not necessarily state or |
33 | reflect those of the United States Government or the University |
34 | of California, and shall not be used for advertising or product |
35 \ endorsement purposes. /
36 ---------------------------------------------------------------------
37*/
38
39/*
40 Floating point exception test module.
41
42 */
43
44#include "Python.h"
45
46static PyObject *fpe_error;
47PyMODINIT_FUNC initfpetest(void);
48static PyObject *test(PyObject *self,PyObject *args);
49static double db0(double);
50static double overflow(double);
51static double nest1(int, double);
52static double nest2(int, double);
53static double nest3(double);
54static void printerr(double);
55
56static PyMethodDef fpetest_methods[] = {
57 {"test", (PyCFunction) test, METH_VARARGS},
58 {0,0}
59};
60
61static PyObject *test(PyObject *self,PyObject *args)
62{
63 double r;
64
65 fprintf(stderr,"overflow");
66 r = overflow(1.e160);
67 printerr(r);
68
69 fprintf(stderr,"\ndiv by 0");
70 r = db0(0.0);
71 printerr(r);
72
73 fprintf(stderr,"\nnested outer");
74 r = nest1(0, 0.0);
75 printerr(r);
76
77 fprintf(stderr,"\nnested inner");