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// run
// Copyright 2021 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
import (
"fmt"
"math"
)
//go:noinline
func fcmplt(a, b float64, x uint64) uint64 {
if a < b {
x = 0
}
return x
}
//go:noinline
func fcmple(a, b float64, x uint64) uint64 {
if a <= b {
x = 0
}
return x
}
//go:noinline
func fcmpgt(a, b float64, x uint64) uint64 {
if a > b {
x = 0
}
return x
}
//go:noinline
func fcmpge(a, b float64, x uint64) uint64 {
if a >= b {
x = 0
}
return x
}
//go:noinline
func fcmpeq(a, b float64, x uint64) uint64 {
if a == b {
x = 0
}
return x
}
//go:noinline
func fcmpne(a, b float64, x uint64) uint64 {
if a != b {
x = 0
}
return x
}
func main() {
type fn func(a, b float64, x uint64) uint64
type testCase struct {
f fn
a, b float64
x, want uint64
}
NaN := math.NaN()
for _, t := range []testCase{
{fcmplt, 1.0, 1.0, 123, 123},
{fcmple, 1.0, 1.0, 123, 0},
{fcmpgt, 1.0, 1.0, 123, 123},
{fcmpge, 1.0, 1.0, 123, 0},
{fcmpeq, 1.0, 1.0, 123, 0},
{fcmpne, 1.0, 1.0, 123, 123},
{fcmplt, 1.0, 2.0, 123, 0},
{fcmple, 1.0, 2.0, 123, 0},
{fcmpgt, 1.0, 2.0, 123, 123},
{fcmpge, 1.0, 2.0, 123, 123},
{fcmpeq, 1.0, 2.0, 123, 123},
{fcmpne, 1.0, 2.0, 123, 0},
{fcmplt, 2.0, 1.0, 123, 123},
{fcmple, 2.0, 1.0, 123, 123},
{fcmpgt, 2.0, 1.0, 123, 0},
{fcmpge, 2.0, 1.0, 123, 0},
{fcmpeq, 2.0, 1.0, 123, 123},
{fcmpne, 2.0, 1.0, 123, 0},
{fcmplt, 1.0, NaN, 123, 123},
{fcmple, 1.0, NaN, 123, 123},
{fcmpgt, 1.0, NaN, 123, 123},
{fcmpge, 1.0, NaN, 123, 123},
{fcmpeq, 1.0, NaN, 123, 123},
{fcmpne, 1.0, NaN, 123, 0},
{fcmplt, NaN, 1.0, 123, 123},
{fcmple, NaN, 1.0, 123, 123},
{fcmpgt, NaN, 1.0, 123, 123},
{fcmpge, NaN, 1.0, 123, 123},
{fcmpeq, NaN, 1.0, 123, 123},
{fcmpne, NaN, 1.0, 123, 0},
{fcmplt, NaN, NaN, 123, 123},
{fcmple, NaN, NaN, 123, 123},
{fcmpgt, NaN, NaN, 123, 123},
{fcmpge, NaN, NaN, 123, 123},
{fcmpeq, NaN, NaN, 123, 123},
{fcmpne, NaN, NaN, 123, 0},
} {
got := t.f(t.a, t.b, t.x)
if got != t.want {
panic(fmt.Sprintf("want %v, got %v", t.want, got))
}
}
}