// Copyright 2015 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.

package types

// CompareInt64 returns an integer comparing the int64 x to y.
func CompareInt64(x, y int64) int {
	if x < y {
		return -1
	} else if x == y {
		return 0
	}

	return 1
}

// CompareUint64 returns an integer comparing the uint64 x to y.
func CompareUint64(x, y uint64) int {
	if x < y {
		return -1
	} else if x == y {
		return 0
	}

	return 1
}

// CompareFloat64 returns an integer comparing the float64 x to y.
func CompareFloat64(x, y float64) int {
	if x < y {
		return -1
	} else if x == y {
		return 0
	}

	return 1
}

// CompareString returns an integer comparing the string x to y.
func CompareString(x, y string) int {
	if x < y {
		return -1
	} else if x == y {
		return 0
	}

	return 1
}