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go/types: real and imag don't accept untyped non-complex constants as arguments #11947

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griesemer opened this issue Jul 30, 2015 · 2 comments
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@griesemer griesemer commented Jul 30, 2015

package main
const _ = real(10.0)

=>

$ gotype x.go
x.go:2:16: invalid argument: 10.0 (untyped float constant 10) must be a complex number

This seems inconsistent with complex(...) which accepts any untyped number as argument as long as it has no imaginary component or that component is zero. Similarly, real and float shouldn't really care about the nature of the untyped constant as long as it's a number.

gccgo accepts the above code w/o error.

@griesemer griesemer self-assigned this Jul 30, 2015
@griesemer griesemer added this to the Go1.6 milestone Jul 30, 2015
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@gopherbot gopherbot commented Jul 30, 2015

CL https://golang.org/cl/12860 mentions this issue.

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mk0x9 pushed a commit to mk0x9/go that referenced this issue Aug 5, 2015
…'imag'

For golang#11669, golang#11540, golang#11945, golang#11946, golang#11947.

Change-Id: Ifb0053c498cee9f3473c396f9338d82bd856c110
Reviewed-on: https://go-review.googlesource.com/12860
Reviewed-by: Russ Cox <rsc@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
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@gopherbot gopherbot commented Aug 21, 2015

CL https://golang.org/cl/12939 mentions this issue.

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@griesemer griesemer closed this in b9e4867 Aug 26, 2015
@golang golang locked and limited conversation to collaborators Sep 4, 2016
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