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authorUlrich Drepper <drepper@redhat.com>1997-07-06 22:02:42 +0000
committerUlrich Drepper <drepper@redhat.com>1997-07-06 22:02:42 +0000
commit762a2918eee55943319f2c81f35257d59450ad5b (patch)
treecc635357e30891c59d637817601593e975ee05af /math/test-fenv.c
parent5ae3e846b9e5dc0c32b581dff29aaf8587f89bfa (diff)
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1997-07-06 23:36 Ulrich Drepper <drepper@cygnus.com> * isomac.c (get_null_defines): Put NULL at end of list. * hurd/Makefile: Remove special handling of sunrpc code. * sysdeps/mach/hurd/Makefile: Likewise. Compile CThreads code. * sunrpc/rpc_main.c: Don't use MAXPATHLEN. * sysdeps/mach/bits/libc-lock.h: Add definitions for key handling functions. * sysdeps/stub/bits/libc-lock.h: Likewise. * sysdeps/mach/hurd/net/ethernet.h: New file. * sysdeps/mach/hurd/net/if.h: New file. * sysdeps/mach/hurd/net/if_arp.h: New file. * sysdeps/mach/hurd/net/if_ether.h: New file. * sysdeps/mach/hurd/net/if_ppp.h: New file. * sysdeps/mach/hurd/net/route.h: New file. Patches by Fila Kolodny <fila@ibi.com>. * math/fenv-test.c: Add more tests. Patch by Andreas Jaeger <aj@arthur.rhein-neckar.de>. * sysdeps/wordsize-32/inttypes.h: Correct values for INTFAST_MIN, INTFAST_MAX, and UINTFAST_MAX. * sysdeps/wordsize-64/inttypes.h: Likewise. Correct intmax_t definition. 1997-07-04 15:33 H.J. Lu <hjl@gnu.ai.mit.edu> * elf/rtld.c (dl_main): Add '\n' to _dl_sysdep_fatal (). 1997-07-01 09:18 H.J. Lu <hjl@gnu.ai.mit.edu> * libc.map: Add missing symbol. 1997-07-04 18:04 H.J. Lu <hjl@gnu.ai.mit.edu> * stdlib/tst-strtol.c: Don't assume cpp takes ~0UL as long in cc1. Cpp in gcc doesn't do it. 1997-07-01 21:15 Andreas Jaeger <aj@arthur.rhein-neckar.de> * libio/libioP.h: Remove second definition of _IO_file_attach. * sysdeps/i386/fpu/fraiseexcpt.c (feraiseexcept): Correct comments. * sysdeps/sparc64/elf/start.S (_start): Update and reformat copyright. * manual/summary.awk: Likewise. * misc/bits/stab.def: Likewise. * posix/glob/Makefile.ami: Likewise. * posix/glob/Makefile.in: Likewise. * posix/glob/SMakefile: Likewise. * sysdeps/gnu/errlist.awk: Likewise. * sysdeps/mach/hurd/errnos.awk: Likewise. * sysdeps/standalone/i386/force_cpu386/target.ld: Likewise. * sysdeps/standalone/m68k/m68020/mvme136/mvme136.ld: Likewise. * sysdeps/unix/snarf-ioctls: Likewise. * sysdeps/vax/setjmp.c: Likewise. 1997-07-05 11:56 Ulrich Drepper <drepper@cygnus.com> * login/login.c (tty_name): Use newly allocated buffer. Patch by Jaakko Hyvätti <jaakko.hyvatti@iki.fi>. * time/asctime.c: Never translate week and month name according to LC_TIME. Patch by Paul Eggert <eggert@twinsun.com>. 1997-07-03 22:50 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * locale/setlocale.c (setname): Do nothing when reusing the same name. 1997-07-03 20:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libc.map: Add global variables of malloc. 1997-07-03 13:24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/dl-version.c (find_needed): Look for needed objects also in the dependency list of the current object. Added new parameter to find its link map, caller changed. 1997-07-03 12:33 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/fraiseexcpt.c: Correct the FE_INEXACT and FE_UNDERFLOW cases. 1997-07-01 13:36 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/link.h: Remove final comma from enumerator list, forbidden by ISO C. Use __inline instead of inline. 1997-07-01 16:40 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * hurd/hurdsig.c: Include <hurd/id.h>. (reauth_proc): Call proc_setowner appropriately too. 1997-07-01 09:18 H.J. Lu <hjl@gnu.ai.mit.edu> * libc.map: Add missing symbol. 1997-06-30 12:12 Fila Kolodny <fila@ibi.com> * sysdeps/mach/hurd/fchdir.c: Make fchdir a weak alias of __fchdir. * sysdeps/mach/hurd/getpeername.c (getpeername): Remove spurious declaration of addr. 1997-06-29 17:56 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * manual/argp.texi (Argp Option Vectors): Fix use of @math to make it work in TeX. 1997-06-27 21:25 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makeconfig (+includes): Add include directory to include path. * configure.in (sysnames): Don't add it here. * Makefile (subdir-dirs): Define and add it to vpath for headers. * Make-dist (all-headers): Look in include directory for indirection headers. Filter out header names pointing outside the source directory. * Makefile (distribute): Remove ansidecl.h, add libc.map. * Make-dist (+tsrcs): Add version scripts for extra libraries. * Makerules (distinfo-vars): Add %-map for extra libraries. * sysdeps/unix/sysv/linux/alpha/Dist: Rename sys/kernel_termios.h to kernel_termios.h. * sysdeps/unix/sysv/linux/powerpc/Dist: Remove ioctl-types.h, termbits.h and sys/kernel_termios.h. * sysdeps/mips/mips64/Dist: New file. * sysdeps/unix/sysv/linux/Dist: Add stdio_lim.h.in. 1997-06-29 23:03 Andreas Jaeger <aj@arthur.rhein-neckar.de> * math/test-fenv.c (feenv_nomask_test): New test for non masked exceptions. (feenv_mask_test): New test for masked exceptions (feenv_tests): New function calls feenv_nomask_test and feenv_mask_test. (main): Call new tests. (initial_tests): New test for initilisation.
Diffstat (limited to 'math/test-fenv.c')
-rw-r--r--math/test-fenv.c203
1 files changed, 200 insertions, 3 deletions
diff --git a/math/test-fenv.c b/math/test-fenv.c
index 55114cc..62a148b 100644
--- a/math/test-fenv.c
+++ b/math/test-fenv.c
@@ -1,4 +1,24 @@
-/* Test for exception handling functions of libm */
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de> and
+ Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* Tests for ISO C 9X 7.6: Floating-point environment */
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
@@ -10,9 +30,12 @@
#include <fenv.h>
#include <errno.h>
+#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
+#include <unistd.h>
+#include <sys/wait.h>
/*
Since not all architectures might define all exceptions, we define
@@ -87,6 +110,54 @@ test_exceptions (const char *test_name, short int exception)
#endif
}
+static void
+print_rounding (int rounding)
+{
+
+ switch (rounding) {
+#ifdef FE_TONEAREST
+ case FE_TONEAREST:
+ printf ("TONEAREST");
+ break;
+#endif
+#ifdef FE_UPWARD
+ case FE_UPWARD:
+ printf ("UPWARD");
+ break;
+#endif
+#ifdef FE_DOWNWARD
+ case FE_DOWNWARD:
+ printf ("DOWNWARD");
+ break;
+#endif
+#ifdef FE_TOWARDZERO
+ case FE_TOWARDZERO:
+ printf ("TOWARDZERO");
+ break;
+#endif
+ }
+ printf (".\n");
+}
+
+
+static void
+test_rounding (const char *test_name, int rounding_mode)
+{
+ int curr_rounding = fegetround ();
+
+ printf ("Test: %s\n", test_name);
+ if (curr_rounding == rounding_mode)
+ {
+ printf (" Pass: Rounding mode is ");
+ print_rounding (curr_rounding);
+ }
+ else {
+ ++count_errors;
+ printf (" Fail: Rounding mode is ");
+ print_rounding (curr_rounding);
+ }
+}
+
static void
set_single_exc (const char *test_name, int fe_exc, fexcept_t exception)
@@ -130,7 +201,6 @@ fe_tests (void)
ALL_EXC);
feclearexcept (FE_ALL_EXCEPT);
-
#ifdef FE_DIVBYZERO
set_single_exc ("Set/Clear FE_DIVBYZERO", DIVBYZERO_EXC, FE_DIVBYZERO);
#endif
@@ -148,11 +218,138 @@ fe_tests (void)
#endif
}
+/* Test that program aborts with no masked interrupts */
+static void
+feenv_nomask_test (const char *flag_name, int fe_exc)
+{
+ int status;
+ pid_t pid;
+
+ printf ("Test: after fesetenv (FE_NOMASK_ENV) processes will abort\n");
+ printf (" when feraiseexcept (%s) is called.\n", flag_name);
+ fesetenv (FE_NOMASK_ENV);
+ pid = fork ();
+ if (pid == 0)
+ {
+ feraiseexcept (fe_exc);
+ exit (2);
+ }
+ else if (pid < 0)
+ {
+ if (errno != ENOSYS)
+ {
+ printf (" Fail: Could not fork.\n");
+ ++count_errors;
+ }
+ else
+ printf (" `fork' not implemented, test ignored.\n");
+ }
+ else {
+ if (waitpid (pid, &status, 0) != pid)
+ {
+ printf (" Fail: waitpid call failed.\n");
+ ++count_errors;
+ }
+ else if (WIFSIGNALED (status) && WTERMSIG (status) == SIGFPE)
+ printf (" Pass: Process received SIGFPE.\n");
+ else
+ {
+ printf (" Fail: Process didn't receive signal and exited with status %d.\n",
+ status);
+ ++count_errors;
+ }
+ }
+}
+
+/* Test that program doesn't abort with default environment */
+static void
+feenv_mask_test (const char *flag_name, int fe_exc)
+{
+ int status;
+ pid_t pid;
+
+ printf ("Test: after fesetenv (FE_DFL_ENV) processes will not abort\n");
+ printf (" when feraiseexcept (%s) is called.\n", flag_name);
+ fesetenv (FE_DFL_ENV);
+ pid = fork ();
+ if (pid == 0)
+ {
+ feraiseexcept (fe_exc);
+ exit (2);
+ }
+ else if (pid < 0)
+ {
+ if (errno != ENOSYS)
+ {
+ printf (" Fail: Could not fork.\n");
+ ++count_errors;
+ }
+ else
+ printf (" `fork' not implemented, test ignored.\n");
+ }
+ else {
+ if (waitpid (pid, &status, 0) != pid)
+ {
+ printf (" Fail: waitpid call failed.\n");
+ ++count_errors;
+ }
+ else if (WIFEXITED (status) && WEXITSTATUS (status) == 2)
+ printf (" Pass: Process exited normally.\n");
+ else
+ {
+ printf (" Fail: Process exited abnormally with status %d.\n",
+ status);
+ ++count_errors;
+ }
+ }
+}
+
+
+
+static void
+feenv_tests (void)
+{
+
+#ifdef FE_DIVBYZERO
+ feenv_nomask_test ("FE_DIVBYZERO", FE_DIVBYZERO);
+ feenv_mask_test ("FE_DIVBYZERO", FE_DIVBYZERO);
+#endif
+#ifdef FE_INVALID
+ feenv_nomask_test ("FE_INVALID", FE_INVALID);
+ feenv_mask_test ("FE_INVALID", FE_INVALID);
+#endif
+#ifdef FE_INEXACT
+ feenv_nomask_test ("FE_INEXACT", FE_INEXACT);
+ feenv_mask_test ("FE_INEXACT", FE_INEXACT);
+#endif
+#ifdef FE_UNDERFLOW
+ feenv_nomask_test ("FE_UNDERFLOW", FE_UNDERFLOW);
+ feenv_mask_test ("FE_UNDERFLOW", FE_UNDERFLOW);
+#endif
+#ifdef FE_OVERFLOW
+ feenv_nomask_test ("FE_OVERFLOW", FE_OVERFLOW);
+ feenv_mask_test ("FE_OVERFLOW", FE_OVERFLOW);
+#endif
+ fesetenv (FE_DFL_ENV);
+}
+
+
+/* IEC 559 and ISO C 9X define a default startup environment */
+static void
+initial_tests (void)
+{
+ test_exceptions ("Initially all exceptions should be cleared",
+ NO_EXC);
+ test_rounding ("Rounding direction should be initalized to nearest",
+ FE_TONEAREST);
+}
+
int
main (void)
{
+ initial_tests ();
fe_tests ();
- /* _LIB_VERSION = _SVID;*/
+ feenv_tests ();
if (count_errors)
{