math/big: wrong answer from Float.Sub #20490
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CL https://golang.org/cl/44150 mentions this issue. |
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I thought this was my fault (cda633b) but apparently not, since I can reproduce this in go1.7 I have sent a (tentative) very small fix here: https://go-review.googlesource.com/c/44150/ |
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Please answer these questions before submitting your issue. Thanks!
What version of Go are you using (
go version)?go version devel +daa0ddd Wed May 24 22:28:33 2017 +0000 linux/amd64
What operating system and processor architecture are you using (
go env)?GOARCH="amd64"
GOOS="linux"
What did you do?
Called Float.Sub. Passed arguments of opposite sign and used the second argument for the receiver.
If possible, provide a recipe for reproducing the error.
A complete runnable program is good.
A link on play.golang.org is best.
https://play.golang.org/p/NdNWBZDJBv
What did you expect to see?
-5
-5
What did you see instead?
-5
-3
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