diff options
Diffstat (limited to 'math/README.libm-test')
| -rw-r--r-- | math/README.libm-test | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/math/README.libm-test b/math/README.libm-test index 41702c6537..53172bbff8 100644 --- a/math/README.libm-test +++ b/math/README.libm-test @@ -3,10 +3,10 @@ README for libm-test math test suite The libm-test math test suite tests a number of function points of math functions in the GNU C library. The following sections contain a -brief overview. Please note that the test drivers and the Perl script -"gen-libm-test.pl" have some options. A full list of options is -available with --help (for the test drivers) and -h for -"gen-libm-test.pl". +brief overview. Please note that the test drivers and the Python +script "gen-libm-test.py" have some options. A full list of options +is available with --help (for the test drivers) and -h for +"gen-libm-test.py". What is tested? @@ -25,8 +25,8 @@ The main files are "libm-test-<func>.inc". They are independent of the target platform and the specific real floating type and format and contain placeholder test "templates" for math functions defined in libm. These files, along with generated files named -"auto-libm-test-out-<func>", are preprocessed by the Perl script -"gen-libm-test.pl" to expand the templates and produce a set of test +"auto-libm-test-out-<func>", are preprocessed by the Python script +"gen-libm-test.py" to expand the templates and produce a set of test cases for each math function that are specific to the target platform but still independent of the real floating type. The results of the processing are "libm-test-<func>.c" and a file "libm-test-ulps.h" with @@ -48,7 +48,7 @@ defines or undefines the __NO_MATH_INLINES macro just before including respectively. Each driver is compiled into a single executable test program with the corresponding name. -As mentioned above, the "gen-libm-test.pl" script looks for a file +As mentioned above, the "gen-libm-test.py" script looks for a file named "libm-test-ulps" in the platform specific sysdep directory (or its fpu or nofpu subdirectory) and for each variant (real floating type and rounding mode) of every tested function reads from it the @@ -80,17 +80,17 @@ This generates a file "ULPs" with all double ULPs in it, ignoring any previously calculated ULPs, and running with the newly built dynamic loader and math library (assumes you didn't install your build). Now generate the ULPs for all other formats, the tests will be appending the -data to the "ULPs" file. As final step run "gen-libm-test.pl" with the +data to the "ULPs" file. As final step run "gen-libm-test.py" with the file as input and ask to generate a pretty printed output in the file "NewUlps": - gen-libm-test.pl -u ULPs -n NewUlps + gen-libm-test.py -u ULPs -n NewUlps Copy "NewUlps" to "libm-test-ulps" in the appropriate machine sysdep directory. Note that the test drivers have an option "-u" to output an unsorted list of all epsilons that the functions have. The output can be read in directly but it's better to pretty print it first. -"gen-libm-test.pl" has an option to generate a pretty-printed and +"gen-libm-test.py" has an option to generate a pretty-printed and sorted new ULPs file from the output of the test drivers. Contents of libm-test-ulps |