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@ -245,6 +245,8 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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base.Add(y, x) |
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ensure256(base) |
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self.Printf(" = %v", base) |
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// Pop result back on the stack
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stack.Push(base) |
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@ -255,6 +257,8 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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base.Sub(y, x) |
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ensure256(base) |
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self.Printf(" = %v", base) |
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// Pop result back on the stack
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stack.Push(base) |
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@ -265,6 +269,8 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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base.Mul(y, x) |
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ensure256(base) |
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self.Printf(" = %v", base) |
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// Pop result back on the stack
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stack.Push(base) |
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@ -277,6 +283,8 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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base.Div(y, x) |
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} |
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ensure256(base) |
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self.Printf(" = %v", base) |
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// Pop result back on the stack
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stack.Push(base) |
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@ -289,6 +297,8 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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base.Div(y, x) |
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} |
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ensure256(base) |
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self.Printf(" = %v", base) |
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// Pop result back on the stack
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stack.Push(base) |
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@ -300,6 +310,8 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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base.Mod(y, x) |
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ensure256(base) |
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self.Printf(" = %v", base) |
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stack.Push(base) |
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case SMOD: |
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@ -310,6 +322,8 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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base.Mod(y, x) |
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ensure256(base) |
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self.Printf(" = %v", base) |
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stack.Push(base) |
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@ -321,6 +335,8 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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base.Exp(y, x, Pow256) |
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ensure256(base) |
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self.Printf(" = %v", base) |
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stack.Push(base) |
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@ -838,3 +854,18 @@ func (self *Vm) Endl() *Vm { |
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return self |
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} |
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func ensure256(x *big.Int) { |
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maxInt, _ := new(big.Int).SetString("115792089237316195423570985008687907853269984665640564039457584007913129639935", 0) |
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if x.Cmp(maxInt) >= 0 { |
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x.SetInt64(0) |
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return |
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} |
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// Could have done this with an OR, but big ints are costly.
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if x.Cmp(new(big.Int)) < 0 { |
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x.SetInt64(0) |
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} |
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} |
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