| commit | 3663a437a781f4e7ce242aa334af2f2ce71ecef9 | [log] [tgz] |
|---|---|---|
| author | Robert Griesemer <gri@golang.org> | Mon Jan 25 15:18:56 2021 -0800 |
| committer | Robert Griesemer <gri@golang.org> | Mon Jan 25 23:44:22 2021 +0000 |
| tree | 5d889b1f5839aad2548dba673bcf818b6c386db9 | |
| parent | 3432d24bab848a4fbae182e7d4399aa34ff6e302 [diff] |
[dev.typeparams] go/constant: in ToFloat, convert to rational numbers, not floats Floating-point constants are represented as rational numbers when possible (i.e., when numerators and denominators are not too large). If we convert to floats when not necessary, we risk losing precision. This is the minimal fix for the specific issue, but it's too aggressive: If the numbers are too large, we still want to convert to floats. Will address in a separate CL that also does a few related cleanups. Fixes #43908. Change-Id: Id575e34fa18361a347c43701cfb4dd7221997f66 Reviewed-on: https://go-review.googlesource.com/c/go/+/286552 Trust: Robert Griesemer <gri@golang.org> Run-TryBot: Robert Griesemer <gri@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Go Bot <gobot@golang.org>
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