diff options
Diffstat (limited to 'common/math/dist.go')
-rw-r--r-- | common/math/dist.go | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/common/math/dist.go b/common/math/dist.go deleted file mode 100644 index 913fbfbd4..000000000 --- a/common/math/dist.go +++ /dev/null @@ -1,96 +0,0 @@ -// 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/>. - -package math - -import ( - "math/big" - "sort" - - "github.com/ethereum/go-ethereum/common" -) - -type Summer interface { - Sum(i int) *big.Int - Len() int -} - -func Sum(slice Summer) (sum *big.Int) { - sum = new(big.Int) - - for i := 0; i < slice.Len(); i++ { - sum.Add(sum, slice.Sum(i)) - } - return -} - -type Vector struct { - Gas, Price *big.Int -} - -type VectorsBy func(v1, v2 Vector) bool - -func (self VectorsBy) Sort(vectors []Vector) { - bs := vectorSorter{ - vectors: vectors, - by: self, - } - sort.Sort(bs) -} - -type vectorSorter struct { - vectors []Vector - by func(v1, v2 Vector) bool -} - -func (v vectorSorter) Len() int { return len(v.vectors) } -func (v vectorSorter) Less(i, j int) bool { return v.by(v.vectors[i], v.vectors[j]) } -func (v vectorSorter) Swap(i, j int) { v.vectors[i], v.vectors[j] = v.vectors[j], v.vectors[i] } - -func PriceSort(v1, v2 Vector) bool { return v1.Price.Cmp(v2.Price) < 0 } -func GasSort(v1, v2 Vector) bool { return v1.Gas.Cmp(v2.Gas) < 0 } - -type vectorSummer struct { - vectors []Vector - by func(v Vector) *big.Int -} - -type VectorSum func(v Vector) *big.Int - -func (v VectorSum) Sum(vectors []Vector) *big.Int { - vs := vectorSummer{ - vectors: vectors, - by: v, - } - return Sum(vs) -} - -func (v vectorSummer) Len() int { return len(v.vectors) } -func (v vectorSummer) Sum(i int) *big.Int { return v.by(v.vectors[i]) } - -func GasSum(v Vector) *big.Int { return v.Gas } - -var etherInWei = new(big.Rat).SetInt(common.String2Big("1000000000000000000")) - -func GasPrice(bp, gl, ep *big.Int) *big.Int { - BP := new(big.Rat).SetInt(bp) - GL := new(big.Rat).SetInt(gl) - EP := new(big.Rat).SetInt(ep) - GP := new(big.Rat).Quo(BP, GL) - GP = GP.Quo(GP, EP) - - return GP.Mul(GP, etherInWei).Num() -} |