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math_test.go
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// Copyright 2023 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 test
import (
"testing"
)
var Output int
func BenchmarkDiv64UnsignedSmall(b *testing.B) {
q := uint64(1)
for i := 1; i <= b.N; i++ {
q = (q + uint64(i)) / uint64(i)
}
Output = int(q)
}
func BenchmarkDiv64Small(b *testing.B) {
q := int64(1)
for i := 1; i <= b.N; i++ {
q = (q + int64(i)) / int64(i)
}
Output = int(q)
}
func BenchmarkDiv64SmallNegDivisor(b *testing.B) {
q := int64(-1)
for i := 1; i <= b.N; i++ {
q = (int64(i) - q) / -int64(i)
}
Output = int(q)
}
func BenchmarkDiv64SmallNegDividend(b *testing.B) {
q := int64(-1)
for i := 1; i <= b.N; i++ {
q = -(int64(i) - q) / int64(i)
}
Output = int(q)
}
func BenchmarkDiv64SmallNegBoth(b *testing.B) {
q := int64(1)
for i := 1; i <= b.N; i++ {
q = -(int64(i) + q) / -int64(i)
}
Output = int(q)
}
func BenchmarkDiv64Unsigned(b *testing.B) {
q := uint64(1)
for i := 1; i <= b.N; i++ {
q = (uint64(0x7fffffffffffffff) - uint64(i) - (q & 1)) / uint64(i)
}
Output = int(q)
}
func BenchmarkDiv64(b *testing.B) {
q := int64(1)
for i := 1; i <= b.N; i++ {
q = (int64(0x7fffffffffffffff) - int64(i) - (q & 1)) / int64(i)
}
Output = int(q)
}
func BenchmarkDiv64NegDivisor(b *testing.B) {
q := int64(-1)
for i := 1; i <= b.N; i++ {
q = (int64(0x7fffffffffffffff) - int64(i) - (q & 1)) / -int64(i)
}
Output = int(q)
}
func BenchmarkDiv64NegDividend(b *testing.B) {
q := int64(-1)
for i := 1; i <= b.N; i++ {
q = -(int64(0x7fffffffffffffff) - int64(i) - (q & 1)) / int64(i)
}
Output = int(q)
}
func BenchmarkDiv64NegBoth(b *testing.B) {
q := int64(-1)
for i := 1; i <= b.N; i++ {
q = -(int64(0x7fffffffffffffff) - int64(i) - (q & 1)) / -int64(i)
}
Output = int(q)
}
func BenchmarkMod64UnsignedSmall(b *testing.B) {
r := uint64(1)
for i := 1; i <= b.N; i++ {
r = (uint64(i) + r) % uint64(i)
}
Output = int(r)
}
func BenchmarkMod64Small(b *testing.B) {
r := int64(1)
for i := 1; i <= b.N; i++ {
r = (int64(i) + r) % int64(i)
}
Output = int(r)
}
func BenchmarkMod64SmallNegDivisor(b *testing.B) {
r := int64(-1)
for i := 1; i <= b.N; i++ {
r = (int64(i) - r) % -int64(i)
}
Output = int(r)
}
func BenchmarkMod64SmallNegDividend(b *testing.B) {
r := int64(-1)
for i := 1; i <= b.N; i++ {
r = -(int64(i) - r) % int64(i)
}
Output = int(r)
}
func BenchmarkMod64SmallNegBoth(b *testing.B) {
r := int64(1)
for i := 1; i <= b.N; i++ {
r = -(int64(i) + r) % -int64(i)
}
Output = int(r)
}
func BenchmarkMod64Unsigned(b *testing.B) {
r := uint64(1)
for i := 1; i <= b.N; i++ {
r = (uint64(0x7fffffffffffffff) - uint64(i) - (r & 1)) % uint64(i)
}
Output = int(r)
}
func BenchmarkMod64(b *testing.B) {
r := int64(1)
for i := 1; i <= b.N; i++ {
r = (int64(0x7fffffffffffffff) - int64(i) - (r & 1)) % int64(i)
}
Output = int(r)
}
func BenchmarkMod64NegDivisor(b *testing.B) {
r := int64(-1)
for i := 1; i <= b.N; i++ {
r = (int64(0x7fffffffffffffff) - int64(i) - (r & 1)) % -int64(i)
}
Output = int(r)
}
func BenchmarkMod64NegDividend(b *testing.B) {
r := int64(-1)
for i := 1; i <= b.N; i++ {
r = -(int64(0x7fffffffffffffff) - int64(i) - (r & 1)) % int64(i)
}
Output = int(r)
}
func BenchmarkMod64NegBoth(b *testing.B) {
r := int64(1)
for i := 1; i <= b.N; i++ {
r = -(int64(0x7fffffffffffffff) - int64(i) - (r & 1)) % -int64(i)
}
Output = int(r)
}