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complx: doesn't correctly or consistently handle mismatched args #729

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gopherbot opened this issue Apr 15, 2010 · 2 comments
Closed

complx: doesn't correctly or consistently handle mismatched args #729

gopherbot opened this issue Apr 15, 2010 · 2 comments
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@gopherbot
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by nt9591:

What steps will reproduce the problem?
When compiling the Go source code.
8g test.go

test.go includes the code as follows,

  1   var f32 float32
  2   var f64 float64
  3   var c64 complex64
  4   var c128 complex128
  5   c64 = cmpl(f32, f64)  // No error
  6   c64 = cmpl(f64, f32)  // Error 1
  7   c128 = cmpl(f64, f32) // No error
  8   c128 = cmpl(f32, f64) // Error 2

Line 6 & 8 are rejected by the compiler.
But line 5 & 7 are accepted normally.


What is the expected output? What do you see instead?
The compiler should reject line 5 & 7, similarly to line 6 & 8.


What is your $GOOS?  $GOARCH?
$GOARCH=386
$GOOS=linux


Which revision are you using?  (hg identify)
f98f784927ab release.2010-04-13/release


Please provide any additional information below.
None.
@adg
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adg commented Apr 15, 2010

Comment 1:

Verified.
adg@quoll:~$ 6g -V
6g version 5275+
$ 6g complex_test.go 
complex_test.go:9: cannot use cmplx(f64, f32) (type complex128) as type complex64 in 
assignment
complex_test.go:11: cannot use cmplx(f32, f64) (type complex64) as type complex128 in 
assignment

Status changed to Accepted.

Attachments:

  1. complex_test.go (267 bytes)

@rsc
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rsc commented Apr 19, 2010

Comment 3:

This issue was closed by revision d97bbab.

Status changed to Fixed.

@golang golang locked and limited conversation to collaborators Jun 24, 2016
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@rsc @adg @gopherbot