path: root/common/math/dist_test.go

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)
}