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authorKen Thompson <ken@golang.org>2009-05-05 21:19:58 -0700
committerKen Thompson <ken@golang.org>2009-05-05 21:19:58 -0700
commite410b41a96afdf2a9ec1110d383147ed33d2171b (patch)
treea79e663361300bf235ce733f87c32c02f57ec7b7 /test/ken
parent327e2c93c102f992622321b204f0c2e52a6a3f59 (diff)
downloadgo-e410b41a96afdf2a9ec1110d383147ed33d2171b.tar.gz
signs on div and mod
R=r OCL=28319 CL=28319
Diffstat (limited to 'test/ken')
-rw-r--r--test/ken/divmod.go184
1 files changed, 184 insertions, 0 deletions
diff --git a/test/ken/divmod.go b/test/ken/divmod.go
new file mode 100644
index 000000000..a2821db29
--- /dev/null
+++ b/test/ken/divmod.go
@@ -0,0 +1,184 @@
+// $G $D/$F.go && $L $F.$A && ./$A.out
+
+// Copyright 2009 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.
+
+package main
+
+const
+(
+ n1 = +5;
+ n2 = -5;
+ d1 = +3;
+ d2 = -3;
+
+ q1 = +1;
+ q2 = -1;
+ q3 = -1;
+ q4 = +1;
+
+ r1 = +2;
+ r2 = -2;
+ r3 = +2;
+ r4 = -2;
+)
+
+func
+main()
+{
+ /* ideals */
+ if n1/d1 != q1 || n1%d1 != r1 {
+ panicln(n1, d1, n1/d1, n1%d1);
+ }
+ if n2/d1 != q2 || n2%d1 != r2 {
+ panicln(n2, d1, n2/d1, n2%d1);
+ }
+ if n1/d2 != q3 || n1%d2 != r3 {
+ panicln(n1, d2, n1/d2, n1%d2);
+ }
+ if n2/d2 != q4 || n2%d2 != r4 {
+ panicln(n2, d2, n2/d2, n2%d2);
+ }
+
+ /* int */
+ var in1 int = +5;
+ var in2 int = -5;
+ var id1 int = +3;
+ var id2 int = -3;
+
+ if in1/id1 != q1 || in1%id1 != r1 {
+ panicln(in1, id1, in1/id1, in1%id1);
+ }
+ if in2/id1 != q2 || in2%id1 != r2 {
+ panicln(in2, id1, in2/id1, in2%id1);
+ }
+ if in1/id2 != q3 || in1%id2 != r3 {
+ panicln(in1, id2, in1/id2, in1%id2);
+ }
+ if in2/id2 != q4 || in2%id2 != r4 {
+ panicln(in2, id2, in2/id2, in2%id2);
+ }
+
+ /* int8 */
+ var bn1 int8 = +5;
+ var bn2 int8 = -5;
+ var bd1 int8 = +3;
+ var bd2 int8 = -3;
+
+ if bn1/bd1 != q1 || bn1%bd1 != r1 {
+ panicln(bn1, bd1, bn1/bd1, bn1%bd1);
+ }
+ if bn2/bd1 != q2 || bn2%bd1 != r2 {
+ panicln(bn2, bd1, bn2/bd1, bn2%bd1);
+ }
+ if bn1/bd2 != q3 || bn1%bd2 != r3 {
+ panicln(bn1, bd2, bn1/bd2, bn1%bd2);
+ }
+ if bn2/bd2 != q4 || bn2%bd2 != r4 {
+ panicln(bn2, bd2, bn2/bd2, bn2%bd2);
+ }
+
+ /* int16 */
+ var sn1 int16 = +5;
+ var sn2 int16 = -5;
+ var sd1 int16 = +3;
+ var sd2 int16 = -3;
+
+ if sn1/sd1 != q1 || sn1%sd1 != r1 {
+ panicln(sn1, sd1, sn1/sd1, sn1%sd1);
+ }
+ if sn2/sd1 != q2 || sn2%sd1 != r2 {
+ panicln(sn2, sd1, sn2/sd1, sn2%sd1);
+ }
+ if sn1/sd2 != q3 || sn1%sd2 != r3 {
+ panicln(sn1, sd2, sn1/sd2, sn1%sd2);
+ }
+ if sn2/sd2 != q4 || sn2%sd2 != r4 {
+ panicln(sn2, sd2, sn2/sd2, sn2%sd2);
+ }
+
+ /* int32 */
+ var ln1 int32 = +5;
+ var ln2 int32 = -5;
+ var ld1 int32 = +3;
+ var ld2 int32 = -3;
+
+ if ln1/ld1 != q1 || ln1%ld1 != r1 {
+ panicln(ln1, ld1, ln1/ld1, ln1%ld1);
+ }
+ if ln2/ld1 != q2 || ln2%ld1 != r2 {
+ panicln(ln2, ld1, ln2/ld1, ln2%ld1);
+ }
+ if ln1/ld2 != q3 || ln1%ld2 != r3 {
+ panicln(ln1, ld2, ln1/ld2, ln1%ld2);
+ }
+ if ln2/ld2 != q4 || ln2%ld2 != r4 {
+ panicln(ln2, ld2, ln2/ld2, ln2%ld2);
+ }
+
+ /* int64 */
+ var qn1 int64 = +5;
+ var qn2 int64 = -5;
+ var qd1 int64 = +3;
+ var qd2 int64 = -3;
+
+ if qn1/qd1 != q1 || qn1%qd1 != r1 {
+ panicln(qn1, qd1, qn1/qd1, qn1%qd1);
+ }
+ if qn2/qd1 != q2 || qn2%qd1 != r2 {
+ panicln(qn2, qd1, qn2/qd1, qn2%qd1);
+ }
+ if qn1/qd2 != q3 || qn1%qd2 != r3 {
+ panicln(qn1, qd2, qn1/qd2, qn1%qd2);
+ }
+ if qn2/qd2 != q4 || qn2%qd2 != r4 {
+ panicln(qn2, qd2, qn2/qd2, qn2%qd2);
+ }
+
+ /* uint */
+ var uin1 uint = +5;
+ var uid1 uint = +3;
+
+ if uin1/uid1 != q1 || uin1%uid1 != r1 {
+ panicln(uin1, uid1, uin1/uid1, uin1%uid1);
+ }
+
+ /* uint8 */
+ var ubn1 uint8 = +5;
+ var ubd1 uint8 = +3;
+
+ if ubn1/ubd1 != q1 || ubn1%ubd1 != r1 {
+ panicln(ubn1, ubd1, ubn1/ubd1, ubn1%ubd1);
+ }
+
+ /* uint16 */
+ var usn1 uint16 = +5;
+ var usd1 uint16 = +3;
+
+ if usn1/usd1 != q1 || usn1%usd1 != r1 {
+ panicln(usn1, usd1, usn1/usd1, usn1%usd1);
+ }
+
+ /* uint32 */
+ var uln1 uint32 = +5;
+ var uld1 uint32 = +3;
+
+ if uln1/uld1 != q1 || uln1%uld1 != r1 {
+ panicln(uln1, uld1, uln1/uld1, uln1%uld1);
+ }
+
+ /* uint64 */
+ var uqn1 uint64 = +5;
+ var uqd1 uint64 = +3;
+
+ if uqn1/uqd1 != q1 || uqn1%uqd1 != r1 {
+ panicln(uqn1, uqd1, uqn1/uqd1, uqn1%uqd1);
+ }
+ if n1/uqd1 != q1 || n1%uqd1 != r1 {
+ panicln(n1, uqd1, n1/uqd1, n1%uqd1);
+ }
+ if uqn1/d1 != q1 || uqn1%d1 != r1 {
+ panicln(uqn1, d1, uqn1/d1, uqn1%d1);
+ }
+}