/*
 * Copyright 2017-2018 IBM Corporation
 *
 * 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,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package util

import "math"

// RoundPlus rounds a float64 to places
func RoundPlus(f float64, places int) float64 {
	shift := math.Pow(10, float64(places))
	return Round(f*shift) / shift
}

// Round a float64
func Round(f float64) float64 {
	if f < 0 {
		return math.Ceil(f - .5)
	}
	return math.Floor(f + .5)
}
