libgo/misc/cgo/test/issue8694.go

   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 }