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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [go.test/] [test/] [const.go] - Blame information for rev 700

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Line No. Rev Author Line
1 700 jeremybenn 
// $G $F.go && $L $F.$A && ./$A.out
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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const (
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        c0 = 0
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        cm1 = -1
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        chuge = 1 << 100
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        chuge_1 = chuge - 1
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        c1 = chuge >> 100
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        c3div2 = 3/2
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        c1e3 = 1e3
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        ctrue = true
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        cfalse = !ctrue
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)
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const (
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        f0 = 0.0
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        fm1 = -1.
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        fhuge float64 = 1 << 100
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        fhuge_1 float64 = chuge - 1
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        f1 float64 = chuge >> 100
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        f3div2 = 3./2.
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        f1e3 float64 = 1e3
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)
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func assert(t bool, s string) {
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        if !t {
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                panic(s)
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        }
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}
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func ints() {
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        assert(c0 == 0, "c0")
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        assert(c1 == 1, "c1")
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        assert(chuge > chuge_1, "chuge")
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        assert(chuge_1 + 1 == chuge, "chuge 1")
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        assert(chuge + cm1 +1  == chuge, "cm1")
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        assert(c3div2 == 1, "3/2")
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        assert(c1e3 == 1000, "c1e3 int")
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        assert(c1e3 == 1e3, "c1e3 float")
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        // verify that all (in range) are assignable as ints
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        var i int
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        i = c0
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        assert(i == c0, "i == c0")
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        i = cm1
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        assert(i == cm1, "i == cm1")
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        i = c1
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        assert(i == c1, "i == c1")
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        i = c3div2
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        assert(i == c3div2, "i == c3div2")
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        i = c1e3
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        assert(i == c1e3, "i == c1e3")
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        // verify that all are assignable as floats
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        var f float64
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        f = c0
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        assert(f == c0, "f == c0")
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        f = cm1
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        assert(f == cm1, "f == cm1")
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        f = chuge
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        assert(f == chuge, "f == chuge")
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        f = chuge_1
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        assert(f == chuge_1, "f == chuge_1")
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        f = c1
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        assert(f == c1, "f == c1")
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        f = c3div2
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        assert(f == c3div2, "f == c3div2")
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        f = c1e3
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        assert(f == c1e3, "f == c1e3")
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}
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func floats() {
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        assert(f0 == c0, "f0")
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        assert(f1 == c1, "f1")
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        assert(fhuge == fhuge_1, "fhuge")       // float64 can't distinguish fhuge, fhuge_1.
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        assert(fhuge_1 + 1 == fhuge, "fhuge 1")
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        assert(fhuge + fm1 +1  == fhuge, "fm1")
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        assert(f3div2 == 1.5, "3./2.")
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        assert(f1e3 == 1000, "f1e3 int")
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        assert(f1e3 == 1.e3, "f1e3 float")
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        // verify that all (in range) are assignable as ints
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        var i int
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        i = f0
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        assert(i == f0, "i == f0")
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        i = fm1
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        assert(i == fm1, "i == fm1")
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        // verify that all are assignable as floats
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        var f float64
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        f = f0
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        assert(f == f0, "f == f0")
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        f = fm1
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        assert(f == fm1, "f == fm1")
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        f = fhuge
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        assert(f == fhuge, "f == fhuge")
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        f = fhuge_1
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        assert(f == fhuge_1, "f == fhuge_1")
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        f = f1
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        assert(f == f1, "f == f1")
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        f = f3div2
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        assert(f == f3div2, "f == f3div2")
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        f = f1e3
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        assert(f == f1e3, "f == f1e3")
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}
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func main() {
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        ints()
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        floats()
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        assert(ctrue == true, "ctrue == true")
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        assert(cfalse == false, "cfalse == false")
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}

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