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cmd/cgo: fix C.complexfloat and C.complexdouble

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This also fixes an unintended behavior where C's "complex float" and
"complex double" types were interchangeable with Go's "complex64" and
"complex128" types.

Fixes #13402.

Change-Id: I73f96d9a4772088d495073783c6982e9634430e8
Reviewed-on: https://go-review.googlesource.com/17208
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Matthew Dempsky 2015-11-25 13:09:14 -08:00
parent de640d369d
commit 10cb39afc4
4 changed files with 17 additions and 8 deletions
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3
src/cmd/cgo/doc.go
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@ -117,7 +117,8 @@ The standard C numeric types are available under the names
C.char, C.schar (signed char), C.uchar (unsigned char),
C.short, C.ushort (unsigned short), C.int, C.uint (unsigned int),
C.long, C.ulong (unsigned long), C.longlong (long long),
C.ulonglong (unsigned long long), C.float, C.double.
C.ulonglong (unsigned long long), C.float, C.double,
C.complexfloat (complex float), and C.complexdouble (complex double).
The C type void* is represented by Go's unsafe.Pointer.
The C types __int128_t and __uint128_t are represented by [16]byte.