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a3b862ece2
This handles timeouts like 16777216.000000001 correctly; formerly the subsecond part of that timeout was ignored. * bootstrap.conf (gnulib_modules): Add fenv-rounding, signbit. * src/local.mk (src_timeout_LDADD): Append $(FENV_ROUNDING_LIBM). * src/timeout.c: Include fenv.h, math.h. Don’t include xstrtod.h, as xstrtod’s checking now gets in the way. (parse_duration): Round up when calling cl_strtod. Check for -1e-1000. Don’t double-round 1e-9. * tests/timeout/timeout-parameters.sh: Test for -0.1, -1e-1000, 1e-1000.