Official Go implementation of the Ethereum protocol
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go-ethereum/common/math/dist_test.go

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// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
10 years ago
package math
import (
"fmt"
"math/big"
"testing"
)
type summer struct {
numbers []*big.Int
}
func (s summer) Len() int { return len(s.numbers) }
func (s summer) Sum(i int) *big.Int {
return s.numbers[i]
}
func TestSum(t *testing.T) {
summer := summer{numbers: []*big.Int{big.NewInt(1), big.NewInt(2), big.NewInt(3)}}
sum := Sum(summer)
if sum.Cmp(big.NewInt(6)) != 0 {
t.Errorf("not 6", sum)
}
}
func TestDist(t *testing.T) {
var vectors = []Vector{
Vector{big.NewInt(1000), big.NewInt(1234)},
Vector{big.NewInt(500), big.NewInt(10023)},
Vector{big.NewInt(1034), big.NewInt(1987)},
Vector{big.NewInt(1034), big.NewInt(1987)},
Vector{big.NewInt(8983), big.NewInt(1977)},
Vector{big.NewInt(98382), big.NewInt(1887)},
Vector{big.NewInt(12398), big.NewInt(1287)},
Vector{big.NewInt(12398), big.NewInt(1487)},
Vector{big.NewInt(12398), big.NewInt(1987)},
Vector{big.NewInt(12398), big.NewInt(128)},
Vector{big.NewInt(12398), big.NewInt(1987)},
Vector{big.NewInt(1398), big.NewInt(187)},
Vector{big.NewInt(12328), big.NewInt(1927)},
Vector{big.NewInt(12398), big.NewInt(1987)},
Vector{big.NewInt(22398), big.NewInt(1287)},
Vector{big.NewInt(1370), big.NewInt(1981)},
Vector{big.NewInt(12398), big.NewInt(1957)},
Vector{big.NewInt(42198), big.NewInt(1987)},
}
VectorsBy(GasSort).Sort(vectors)
fmt.Println(vectors)
BP := big.NewInt(15)
GL := big.NewInt(1000000)
EP := big.NewInt(100)
fmt.Println("BP", BP, "GL", GL, "EP", EP)
GP := GasPrice(BP, GL, EP)
fmt.Println("GP =", GP, "Wei per GU")
S := len(vectors) / 4
fmt.Println("L", len(vectors), "S", S)
for i := 1; i <= S*4; i += S {
fmt.Printf("T%d = %v\n", i, vectors[i])
}
g := VectorSum(GasSum).Sum(vectors)
fmt.Printf("G = ∑g* (%v)\n", g)
}