musl - musl - an implementation of the standard library for Linux-based systems

fix the last known rounding bug in floating point printing

the observed symptom was that the code was incorrectly rounding up 1.0625 to 1.063 despite the rounding mode being round-to-nearest with ties broken by rounding to even last place. however, the code was just not right in many respects, and i'm surprised it worked as well as it did. this time i tested the values that end up in the variables round, small, and the expression round+small, and all look good.

Diffstat (limited to 'src/stdio/vfprintf.c')

1 files changed, 4 insertions, 3 deletions