diff options
Diffstat (limited to 'math')
| -rw-r--r-- | math/README.libm-test | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/math/README.libm-test b/math/README.libm-test index af07622ccd..7a461551cb 100644 --- a/math/README.libm-test +++ b/math/README.libm-test @@ -45,15 +45,15 @@ but it's better to pretty print it first. "gen-libm-test.pl" has an option to generate a pretty-printed and sorted new ULPs file from the output of the test drivers. -To generate a new "libm-test-ulps" file, you can execute for example: +To generate a new "libm-test-ulps" file, first remove "ULPs" file in the +current directory, then you can execute for example: test-double -u --ignore-max-ulp=yes This generates a file "ULPs" with all double ULPs in it, ignoring any previous calculated ULPs. -Now move this away, e.g. "mv ULPs allULPs" and generate the ULPs -for all other formats and concat all ULP files together (e.g. "cat -ULPs >> allULPs"). As final step run "gen-libm-test.pl" with the file -as input and ask to generate a pretty printed output in the file "NewUlps": - gen-libm-test.pl -u allULPs -n +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 +file as input and ask to generate a pretty printed output in the file "NewUlps": + gen-libm-test.pl -u ULPs -n Now you can rename "NewUlps" to "libm-test-ulps" and move it into sysdeps. |