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author | Ulrich Drepper <drepper@redhat.com> | 1997-07-06 22:02:42 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1997-07-06 22:02:42 +0000 |
commit | 762a2918eee55943319f2c81f35257d59450ad5b (patch) | |
tree | cc635357e30891c59d637817601593e975ee05af /math | |
parent | 5ae3e846b9e5dc0c32b581dff29aaf8587f89bfa (diff) | |
download | glibc-762a2918eee55943319f2c81f35257d59450ad5b.tar.gz glibc-762a2918eee55943319f2c81f35257d59450ad5b.tar.xz glibc-762a2918eee55943319f2c81f35257d59450ad5b.zip |
Update. cvs/libc-ud-970706
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 Hyv�tti <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')
-rw-r--r-- | math/test-fenv.c | 203 |
1 files changed, 200 insertions, 3 deletions
diff --git a/math/test-fenv.c b/math/test-fenv.c index 55114cc13b..62a148b3dc 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) { |