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Splitting libm tests by function will mean about a thousand such tests built separately instead of the present nine (plus vector variants). When this is done, it's desirable to avoid needing to build all the test infrastructure so many times. Also, simply including libm-test-driver.c as-is into per-function tests doesn't actually work, because the various check_* functions are not used by all tests and so generate errors for unused static functions. Although some pieces of infrastructure depend on the type being tested while others don't, building once per type seems the simplest approach. This patch makes changes to libm-test-driver.c in preparation for that. Various cases where functions directly use macros such as TEST_ERRNO (that may vary depending on things other than the type under test) are changed to use variables initialized using those macros, while most of the code in main is moved out to functions libm_test_init and libm_test_fini. The idea is that all the functions in libm-test-driver.c will be moved out in a subsequent patch to be built once per type (and be no longer static when they are used from per-function tests), while libm-test-driver.c remains containing definitions of various variables (no longer static, of course, because they'll be used in the per-type code) and the main function. Declarations / macros relevant to both the once-per-type code and the per-function tests will go in a shared header. Tested for x86_64. * math/libm-test-driver.c (flag_test_errno): New variable. (flag_test_exceptions): Likewise. (flag_test_finite): Likewise. (flag_test_inline): Likewise. (flag_test_mathvec): Likewise. (test_msg): Likewise. (ulp_idx): Likewise. (qtype_str): Likewise. (ULP_IDX): Remove macro. (QTYPE_STR): Likewise. (find_ulps): Use ulp_idx not ULP_IDX. (print_function_ulps): Use qtype_str, printed with %s, not QTYPE_STR, printed with concatentation to format string. (print_complex_function_ulps): Likewise. (test_exceptions): Use flag_test_exceptions not TEST_EXCEPTIONS. (test_errno): Use flag_test_errno not TEST_ERRNO. (enable_test): Use flag_test_inline, flag_test_finite and flag_test_mathvec instead of TEST_INLINE, TEST_FINITE and TEST_MATHVEC. (libm_test_init): New function. Factored out of main. (libm_test_finish): Likewise. (main): Call libm_test_init and libm_test_finish and move most code to those functions. |
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| WUR-REPORT | ||
This directory contains the sources of the GNU C Library. See the file "version.h" for what release version you have. The GNU C Library is the standard system C library for all GNU systems, and is an important part of what makes up a GNU system. It provides the system API for all programs written in C and C-compatible languages such as C++ and Objective C; the runtime facilities of other programming languages use the C library to access the underlying operating system. In GNU/Linux systems, the C library works with the Linux kernel to implement the operating system behavior seen by user applications. In GNU/Hurd systems, it works with a microkernel and Hurd servers. The GNU C Library implements much of the POSIX.1 functionality in the GNU/Hurd system, using configurations i[4567]86-*-gnu. The current GNU/Hurd support requires out-of-tree patches that will eventually be incorporated into an official GNU C Library release. When working with Linux kernels, this version of the GNU C Library requires Linux kernel version 3.2 or later on all architectures except i[4567]86 and x86_64, where Linux kernel version 2.6.32 or later suffices. Also note that the shared version of the libgcc_s library must be installed for the pthread library to work correctly. The GNU C Library supports these configurations for using Linux kernels: aarch64*-*-linux-gnu alpha*-*-linux-gnu arm-*-linux-gnueabi hppa-*-linux-gnu Not currently functional without patches. i[4567]86-*-linux-gnu x86_64-*-linux-gnu Can build either x86_64 or x32 ia64-*-linux-gnu m68k-*-linux-gnu microblaze*-*-linux-gnu mips-*-linux-gnu mips64-*-linux-gnu powerpc-*-linux-gnu Hardware or software floating point, BE only. powerpc64*-*-linux-gnu Big-endian and little-endian. s390-*-linux-gnu s390x-*-linux-gnu sh[34]-*-linux-gnu sparc*-*-linux-gnu sparc64*-*-linux-gnu tilegx-*-linux-gnu tilepro-*-linux-gnu If you are interested in doing a port, please contact the glibc maintainers; see http://www.gnu.org/software/libc/ for more information. See the file INSTALL to find out how to configure, build, and install the GNU C Library. You might also consider reading the WWW pages for the C library at http://www.gnu.org/software/libc/. The GNU C Library is (almost) completely documented by the Texinfo manual found in the `manual/' subdirectory. The manual is still being updated and contains some known errors and omissions; we regret that we do not have the resources to work on the manual as much as we would like. For corrections to the manual, please file a bug in the `manual' component, following the bug-reporting instructions below. Please be sure to check the manual in the current development sources to see if your problem has already been corrected. Please see http://www.gnu.org/software/libc/bugs.html for bug reporting information. We are now using the Bugzilla system to track all bug reports. This web page gives detailed information on how to report bugs properly. The GNU C Library is free software. See the file COPYING.LIB for copying conditions, and LICENSES for notices about a few contributions that require these additional notices to be distributed. License copyright years may be listed using range notation, e.g., 1996-2015, indicating that every year in the range, inclusive, is a copyrightable year that would otherwise be listed individually.