github.com/matrixorigin/matrixone@v0.7.0/pkg/vectorize/power/power.go (about)

     1  // Copyright 2022 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package power
    16  
    17  import (
    18  	"math"
    19  )
    20  
    21  func PowerScalarLeftConst(scalar float64, rv []float64, rs []float64) []float64 {
    22  	for i, x := range rv {
    23  		rs[i] = math.Pow(scalar, x)
    24  	}
    25  	return rs
    26  }
    27  
    28  func PowerScalarRightConst(scalar float64, rv []float64, rs []float64) []float64 {
    29  	for i, x := range rv {
    30  		rs[i] = math.Pow(x, scalar)
    31  	}
    32  	return rs
    33  }
    34  
    35  func Power(lv, rv, rs []float64) []float64 {
    36  	for i, x := range lv {
    37  		rs[i] = math.Pow(x, rv[i])
    38  	}
    39  	return rs
    40  }