mirror of
https://github.com/golang/go
synced 2024-11-06 15:46:19 -07:00
123 lines
1.9 KiB
Go
123 lines
1.9 KiB
Go
// 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")
|
|
}
|
|
}
|