github.com/mitghi/x@v0.0.0-20191206171256-71e86edf750d/bit/math_test.go (about)

     1  /* MIT License
     2  *
     3  * Copyright (c) 2018 Mike Taghavi <mitghi[at]gmail.com>
     4  *
     5  * Permission is hereby granted, free of charge, to any person obtaining a copy
     6  * of this software and associated documentation files (the "Software"), to deal
     7  * in the Software without restriction, including without limitation the rights
     8  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     9  * copies of the Software, and to permit persons to whom the Software is
    10  * furnished to do so, subject to the following conditions:
    11  * The above copyright notice and this permission notice shall be included in all
    12  * copies or substantial portions of the Software.
    13  *
    14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    20  * SOFTWARE.
    21   */
    22  
    23  package bit
    24  
    25  import "testing"
    26  
    27  func TestMath(t *testing.T) {
    28  	const n = 16
    29  	var (
    30  		alignBit   int = blocks.nbalgn(n)
    31  		logN       int
    32  		arrayIndex int
    33  	)
    34  	arrayIndex = blocks.bin(alignBit)
    35  	logN = blocks.lgb2(uint64(arrayIndex))
    36  	// output values
    37  	t.Log(alignBit)
    38  	t.Log(arrayIndex)
    39  	t.Log(logN)
    40  	t.Log(RoundPrevP2(32))
    41  	t.Log(findslot(32, 8, 32))
    42  }