diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:18:25 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:18:25 +0000 |
commit | 109be507377fe7f6e8819ac94041d3fdcdf6fd2f (patch) | |
tree | 2806a689f8fab4a2ec9fc949830ef270a91d667d /test/ken/cplx4.go | |
parent | Initial commit. (diff) | |
download | golang-1.19-109be507377fe7f6e8819ac94041d3fdcdf6fd2f.tar.xz golang-1.19-109be507377fe7f6e8819ac94041d3fdcdf6fd2f.zip |
Adding upstream version 1.19.8.upstream/1.19.8upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/ken/cplx4.go')
-rw-r--r-- | test/ken/cplx4.go | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/test/ken/cplx4.go b/test/ken/cplx4.go new file mode 100644 index 0000000..97d5d16 --- /dev/null +++ b/test/ken/cplx4.go @@ -0,0 +1,61 @@ +// run + +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test complex numbers,including fmt support. +// Used to crash. + +package main + +import "fmt" + +const ( + R = 5 + I = 6i + + C1 = R + I // ADD(5,6) +) + +func want(s, w string) { + if s != w { + panic(s + " != " + w) + } +} + +func doprint(c complex128, w string) { + s := fmt.Sprintf("%f", c) + want(s, w) +} + +func main() { + + // constants + s := fmt.Sprintf("%f", -C1) + want(s, "(-5.000000-6.000000i)") + doprint(C1, "(5.000000+6.000000i)") + + // variables + c1 := C1 + s = fmt.Sprintf("%f", c1) + want(s, "(5.000000+6.000000i)") + doprint(c1, "(5.000000+6.000000i)") + + // 128 + c2 := complex128(C1) + s = fmt.Sprintf("%G", c2) + want(s, "(5+6i)") + + // real, imag, complex + c3 := complex(real(c2)+3, imag(c2)-5) + c2 + s = fmt.Sprintf("%G", c3) + want(s, "(13+7i)") + + // compiler used to crash on nested divide + c4 := complex(real(c3/2), imag(c3/2)) + if c4 != c3/2 { + fmt.Printf("BUG: c3 = %G != c4 = %G\n", c3, c4) + panic(0) + } +} |