def classical_comparison(self, op, target, left, right):
if op == "EQ":
return ClassicalEqual(target, left, right)
elif op == "GT":
return ClassicalGreaterThan(target, left, right)
elif op == "GE":
return ClassicalGreaterEqual(target, left, right)
elif op == "LT":
return ClassicalLessThan(target, left, right)
elif op == "LE":
return ClassicalLessEqual(target, left, right)
def LT(classical_reg1, classical_reg2, classical_reg3):
"""
Produce an LT instruction.
:param classical_reg1: Memory address to which to store the comparison result.
:param classical_reg2: Left comparison operand.
:param classical_reg3: Right comparison operand.
:return: A ClassicalLessThan instance.
"""
classical_reg1, classical_reg2, classical_reg3 = prepare_ternary_operands(
classical_reg1, classical_reg2, classical_reg3)
return ClassicalLessThan(classical_reg1, classical_reg2, classical_reg3)
def LT(classical_reg1: MemoryReferenceDesignator,
classical_reg2: MemoryReferenceDesignator,
classical_reg3: Union[MemoryReferenceDesignator, int, float]) -> ClassicalLessThan:
"""
Produce an LT instruction.
:param classical_reg1: Memory address to which to store the comparison result.
:param classical_reg2: Left comparison operand.
:param classical_reg3: Right comparison operand.
:return: A ClassicalLessThan instance.
"""
classical_reg1, classical_reg2, classical_reg3 = prepare_ternary_operands(classical_reg1,
classical_reg2,
classical_reg3)
return ClassicalLessThan(classical_reg1, classical_reg2, classical_reg3)
def exitClassicalComparison(self, ctx):
# type: (QuilParser.ClassicalComparisonContext) -> None
target = _addr(ctx.addr(0))
left = _addr(ctx.addr(1))
if ctx.number():
right = _number(ctx.number())
else:
right = _addr(ctx.addr(2))
if ctx.EQ():
self.result.append(ClassicalEqual(target, left, right))
elif ctx.GT():
self.result.append(ClassicalGreaterThan(target, left, right))
elif ctx.GE():
self.result.append(ClassicalGreaterEqual(target, left, right))
elif ctx.LT():
self.result.append(ClassicalLessThan(target, left, right))
elif ctx.LE():
self.result.append(ClassicalLessEqual(target, left, right))