Initial commit: Go 1.23 release state

test/ken/cplx2.go

@@ -0,0 +1,122 @@
+// 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 arithmetic on complex numbers, including multiplication and division.
+
+package main
+
+const (
+	R = 5
+	I = 6i
+
+	C1 = R + I    // ADD(5,6)
+	C2 = R - I    // SUB(5,-6)
+	C3 = -(R + I) // ADD(5,6) NEG(-5,-6)
+	C4 = -(R - I) // SUB(5,-6) NEG(-5,6)
+
+	C5 = C1 + R // ADD(10,6)
+	C6 = C1 + I // ADD(5,12)
+
+	Ca = C5 + C6 // ADD(15,18)
+	Cb = C5 - C6 // SUB(5,-6)
+
+	Cc = C5 * C6 // MUL(-22,-150)
+	Cd = C5 / C6 // DIV(0.721893,-0.532544)
+	Ce = Cd * C6 // MUL(10,6) sb C5
+)
+
+func main() {
+
+	var r complex64 = 5 + 0i
+	if r != R {
+		println("opcode 1", r, R)
+		panic("fail")
+	}
+
+	var i complex64 = 6i
+	if i != I {
+		println("opcode 2", i, I)
+		panic("fail")
+	}
+
+	c1 := r + i
+	if c1 != C1 {
+		println("opcode x", c1, C1)
+		panic("fail")
+	}
+
+	c2 := r - i
+	if c2 != C2 {
+		println("opcode x", c2, C2)
+		panic("fail")
+	}
+
+	c3 := -(r + i)
+	if c3 != C3 {
+		println("opcode x", c3, C3)
+		panic("fail")
+	}
+
+	c4 := -(r - i)
+	if c4 != C4 {
+		println("opcode x", c4, C4)
+		panic("fail")
+	}
+
+	c5 := c1 + r
+	if c5 != C5 {
+		println("opcode x", c5, C5)
+		panic("fail")
+	}
+
+	c6 := c1 + i
+	if c6 != C6 {
+		println("opcode x", c6, C6)
+		panic("fail")
+	}
+
+	ca := c5 + c6
+	if ca != Ca {
+		println("opcode x", ca, Ca)
+		panic("fail")
+	}
+
+	cb := c5 - c6
+	if cb != Cb {
+		println("opcode x", cb, Cb)
+		panic("fail")
+	}
+
+	cc := c5 * c6
+	if cc != Cc {
+		println("opcode x", cc, Cc)
+		panic("fail")
+	}
+
+	cd := c5 / c6
+	if cd != Cd {
+		println("opcode x", cd, Cd)
+		panic("fail")
+	}
+
+	ce := cd * c6
+	if ce != Ce {
+		println("opcode x", ce, Ce)
+		panic("fail")
+	}
+	
+	r32 := real(complex64(ce))
+	if r32 != float32(real(Ce)) {
+		println("real(complex64(ce))", r32, real(Ce))
+		panic("fail")
+	}
+	
+	r64 := real(complex128(ce))
+	if r64 != real(Ce) {
+		println("real(complex128(ce))", r64, real(Ce))
+		panic("fail")
+	}
+}