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@ -22,40 +22,19 @@ class LogicSim:
@@ -22,40 +22,19 @@ class LogicSim:
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self.zero = np.zeros((mdim, nbytes), dtype='uint8') |
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self.epoch = 0 |
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self.fork_vd1 = self.fork_vdx |
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self.const0_vd1 = self.const0_vdx |
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self.input_vd1 = self.fork_vd1 |
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self.output_vd1 = self.fork_vd1 |
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self.inv_vd1 = self.not_vd1 |
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self.ibuff_vd1 = self.not_vd1 |
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self.nbuff_vd1 = self.fork_vd1 |
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self.xor2_vd1 = self.xor_vd1 |
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self.fork_vd2 = self.fork_vdx |
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self.const0_vd2 = self.const0_vdx |
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self.input_vd2 = self.fork_vd2 |
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self.output_vd2 = self.fork_vd2 |
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self.inv_vd2 = self.not_vd2 |
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self.ibuff_vd2 = self.not_vd2 |
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self.nbuff_vd2 = self.fork_vd2 |
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self.xor2_vd2 = self.xor_vd2 |
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self.fork_vd3 = self.fork_vdx |
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self.const0_vd3 = self.const0_vdx |
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self.input_vd3 = self.fork_vd3 |
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self.output_vd3 = self.fork_vd3 |
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self.inv_vd3 = self.not_vd3 |
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self.ibuff_vd3 = self.not_vd3 |
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self.nbuff_vd3 = self.fork_vd3 |
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self.xor2_vd3 = self.xor_vd3 |
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known_fct = [(f[:-4], getattr(self, f)) for f in dir(self) if f.endswith(f'_vd{mdim}')] |
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known_fct = [(f[:-4], getattr(self, f)) for f in dir(self) if f.endswith(f'_fct')] |
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self.node_fct = [] |
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for n in circuit.nodes: |
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t = n.kind.lower().replace('__fork__', 'fork') |
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t = t.replace('nbuff', 'fork') |
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t = t.replace('input', 'fork') |
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t = t.replace('output', 'fork') |
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t = t.replace('__const0__', 'const0') |
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t = t.replace('__const1__', 'const1') |
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t = t.replace('tieh', 'const1') |
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t = t.replace('ibuff', 'not') |
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t = t.replace('inv', 'not') |
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fcts = [f for n, f in known_fct if t.startswith(n)] |
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if len(fcts) < 1: |
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raise ValueError(f'Unknown node kind {n.kind}') |
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@ -90,7 +69,7 @@ class LogicSim:
@@ -90,7 +69,7 @@ class LogicSim:
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resp[...] = self.state[node.ins[0].index] |
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# print(responses) |
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def propagate(self): |
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def propagate(self, inject_cb=None): |
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"""Propagate the input values towards the outputs (Perform all logic operations in topological order).""" |
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for node in self.circuit.topological_order(): |
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if self.state_epoch[node.index] != self.epoch: continue |
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@ -99,133 +78,61 @@ class LogicSim:
@@ -99,133 +78,61 @@ class LogicSim:
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# print('sim', node) |
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self.node_fct[node.index](inputs, outputs) |
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for line in node.outs: |
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if inject_cb is not None: inject_cb(line.index, self.state[line.index]) |
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self.state_epoch[line.reader.index] = self.epoch |
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self.epoch = (self.epoch + 1) % 128 |
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def fork_vdx(self, inputs, outputs): |
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@staticmethod |
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def fork_fct(inputs, outputs): |
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for o in outputs: o[...] = inputs[0] |
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def const0_vdx(self, _, outputs): |
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for o in outputs: o[...] = self.zero |
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# 2-valued simulation |
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def not_vd1(self, inputs, outputs): |
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outputs[0][0] = ~inputs[0][0] |
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def const1_vd1(self, _, outputs): |
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for o in outputs: o[...] = self.zero |
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self.not_vd1(outputs, outputs) |
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def and_vd1(self, inputs, outputs): |
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o = outputs[0] |
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o[0] = inputs[0][0] |
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for i in inputs[1:]: o[0] &= i[0] |
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def or_vd1(self, inputs, outputs): |
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o = outputs[0] |
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o[0] = inputs[0][0] |
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for i in inputs[1:]: o[0] |= i[0] |
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def xor_vd1(self, inputs, outputs): |
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o = outputs[0] |
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o[0] = inputs[0][0] |
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for i in inputs[1:]: o[0] ^= i[0] |
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def sdff_vd1(self, inputs, outputs): |
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outputs[0][0] = inputs[0][0] |
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if len(outputs) > 1: |
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outputs[1][0] = ~inputs[0][0] |
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def dff_vd1(self, inputs, outputs): |
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outputs[0][0] = inputs[0][0] |
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if len(outputs) > 1: |
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outputs[1][0] = ~inputs[0][0] |
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def nand_vd1(self, inputs, outputs): |
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self.and_vd1(inputs, outputs) |
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self.not_vd1(outputs, outputs) |
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def nor_vd1(self, inputs, outputs): |
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self.or_vd1(inputs, outputs) |
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self.not_vd1(outputs, outputs) |
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def xnor_vd1(self, inputs, outputs): |
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self.xor_vd1(inputs, outputs) |
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self.not_vd1(outputs, outputs) |
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@staticmethod |
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def const0_fct(_, outputs): |
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for o in outputs: o[...] = 0 |
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# 4-valued simulation |
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@staticmethod |
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def const1_fct(_, outputs): |
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for o in outputs: |
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o[...] = 0 |
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logic.bp_not(o, o) |
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def not_vd2(self, inputs, outputs): |
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@staticmethod |
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def not_fct(inputs, outputs): |
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logic.bp_not(outputs[0], inputs[0]) |
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def and_vd2(self, inputs, outputs): |
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@staticmethod |
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def and_fct(inputs, outputs): |
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logic.bp_and(outputs[0], *inputs) |
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def or_vd2(self, inputs, outputs): |
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@staticmethod |
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def or_fct(inputs, outputs): |
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logic.bp_or(outputs[0], *inputs) |
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def xor_vd2(self, inputs, outputs): |
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@staticmethod |
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def xor_fct(inputs, outputs): |
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logic.bp_xor(outputs[0], *inputs) |
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def sdff_vd2(self, inputs, outputs): |
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self.dff_vd2(inputs, outputs) |
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@staticmethod |
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def sdff_fct(inputs, outputs): |
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logic.bp_buf(outputs[0], inputs[0]) |
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if len(outputs) > 1: |
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logic.bp_not(outputs[1], inputs[0]) |
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def dff_vd2(self, inputs, outputs): |
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@staticmethod |
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def dff_fct(inputs, outputs): |
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logic.bp_buf(outputs[0], inputs[0]) |
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def nand_vd2(self, inputs, outputs): |
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self.and_vd2(inputs, outputs) |
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self.not_vd2(outputs, outputs) |
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def nor_vd2(self, inputs, outputs): |
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self.or_vd2(inputs, outputs) |
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self.not_vd2(outputs, outputs) |
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def xnor_vd2(self, inputs, outputs): |
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self.xor_vd2(inputs, outputs) |
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self.not_vd2(outputs, outputs) |
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def const1_vd2(self, _, outputs): |
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for o in outputs: o[...] = self.zero |
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self.not_vd2(outputs, outputs) |
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# 8-valued simulation |
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def not_vd3(self, inputs, outputs): |
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logic.bp_not(outputs[0], inputs[0]) |
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def and_vd3(self, inputs, outputs): |
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@staticmethod |
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def nand_fct(inputs, outputs): |
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logic.bp_and(outputs[0], *inputs) |
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logic.bp_not(outputs[0], outputs[0]) |
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def or_vd3(self, inputs, outputs): |
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@staticmethod |
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def nor_fct(inputs, outputs): |
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logic.bp_or(outputs[0], *inputs) |
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logic.bp_not(outputs[0], outputs[0]) |
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def xor_vd3(self, inputs, outputs): |
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@staticmethod |
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def xnor_fct(inputs, outputs): |
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logic.bp_xor(outputs[0], *inputs) |
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def sdff_vd3(self, inputs, outputs): |
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self.dff_vd3(inputs, outputs) |
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if len(outputs) > 1: |
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logic.bp_not(outputs[1], inputs[0]) |
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def dff_vd3(self, inputs, outputs): |
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logic.bp_buf(outputs[0], inputs[0]) |
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def nand_vd3(self, inputs, outputs): |
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self.and_vd3(inputs, outputs) |
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self.not_vd3(outputs, outputs) |
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def nor_vd3(self, inputs, outputs): |
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self.or_vd3(inputs, outputs) |
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self.not_vd3(outputs, outputs) |
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def xnor_vd3(self, inputs, outputs): |
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self.xor_vd3(inputs, outputs) |
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self.not_vd3(outputs, outputs) |
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def const1_vd3(self, _, outputs): |
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for o in outputs: o[...] = self.zero |
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self.not_vd3(outputs, outputs) |
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logic.bp_not(outputs[0], outputs[0]) |
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