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https://github.com/golang/go
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10cb39afc4
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>
39 lines
927 B
Go
39 lines
927 B
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cgotest
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/*
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#include <complex.h>
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complex float complexFloatSquared(complex float a) { return a*a; }
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complex double complexDoubleSquared(complex double a) { return a*a; }
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*/
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import "C"
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import (
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"runtime"
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"testing"
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)
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func test8694(t *testing.T) {
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if runtime.GOARCH == "arm" {
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t.Skip("test8694 is disabled on ARM because 5l cannot handle thumb library.")
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}
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// Really just testing that this compiles, but check answer anyway.
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x := C.complexfloat(2 + 3i)
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x2 := x * x
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cx2 := C.complexFloatSquared(x)
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if cx2 != x2 {
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t.Errorf("C.complexFloatSquared(%v) = %v, want %v", x, cx2, x2)
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}
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y := C.complexdouble(2 + 3i)
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y2 := y * y
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cy2 := C.complexDoubleSquared(y)
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if cy2 != y2 {
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t.Errorf("C.complexDoubleSquared(%v) = %v, want %v", y, cy2, y2)
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}
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}
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