github.com/golang/gofrontend@v0.0.0-20240429183944-60f985a78526/libgo/misc/cgo/test/issue8694.go (about)

     1  // Copyright 2014 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build !android
     6  // +build !android
     7  
     8  package cgotest
     9  
    10  /*
    11  #include <complex.h>
    12  
    13  complex float complexFloatSquared(complex float a) { return a*a; }
    14  complex double complexDoubleSquared(complex double a) { return a*a; }
    15  */
    16  import "C"
    17  
    18  import (
    19  	"runtime"
    20  	"testing"
    21  )
    22  
    23  func test8694(t *testing.T) {
    24  	if runtime.GOARCH == "arm" {
    25  		t.Skip("test8694 is disabled on ARM because 5l cannot handle thumb library.")
    26  	}
    27  	// Really just testing that this compiles, but check answer anyway.
    28  	x := C.complexfloat(2 + 3i)
    29  	x2 := x * x
    30  	cx2 := C.complexFloatSquared(x)
    31  	if cx2 != x2 {
    32  		t.Errorf("C.complexFloatSquared(%v) = %v, want %v", x, cx2, x2)
    33  	}
    34  
    35  	y := C.complexdouble(2 + 3i)
    36  	y2 := y * y
    37  	cy2 := C.complexDoubleSquared(y)
    38  	if cy2 != y2 {
    39  		t.Errorf("C.complexDoubleSquared(%v) = %v, want %v", y, cy2, y2)
    40  	}
    41  }