replace back circles by C/N

src/braket/circuits/angled_gate.py

@@ -46,7 +46,7 @@ def __init__(
                 printing a diagram of a circuit. The length must be the same as `qubit_count`, and
                 index ordering is expected to correlate with the target ordering on the instruction.
                 For instance, if a CNOT instruction has the control qubit on the first index and
-                target qubit on the second index, the ASCII symbols should have `["●", "X"]` to
+                target qubit on the second index, the ASCII symbols should have `["C", "X"]` to
                 correlate a symbol with that index.
 
         Raises:
@@ -147,7 +147,7 @@ def __init__(
                 printing a diagram of a circuit. The length must be the same as `qubit_count`, and
                 index ordering is expected to correlate with the target ordering on the instruction.
                 For instance, if a CNOT instruction has the control qubit on the first index and
-                target qubit on the second index, the ASCII symbols should have `["●", "X"]` to
+                target qubit on the second index, the ASCII symbols should have `["C", "X"]` to
                 correlate a symbol with that index.
 
         Raises:
@@ -265,7 +265,7 @@ def __init__(
                 printing a diagram of a circuit. The length must be the same as `qubit_count`, and
                 index ordering is expected to correlate with the target ordering on the instruction.
                 For instance, if a CNOT instruction has the control qubit on the first index and
-                target qubit on the second index, the ASCII symbols should have `["●", "X"]` to
+                target qubit on the second index, the ASCII symbols should have `["C", "X"]` to
                 correlate a symbol with that index.
 
         Raises:

src/braket/circuits/ascii_circuit_diagram.py

@@ -358,7 +358,7 @@ def _ascii_diagram_column(
                             # when a user has a gate genuinely named C, but
                             # is necessary to enable proper printing of custom
                             # gates with built-in control qubits
-                            and ascii_symbols[item_qubit_index] != "●"
+                            and ascii_symbols[item_qubit_index] != "C"
                         )
                         else ""
                     )
@@ -368,7 +368,7 @@ def _ascii_diagram_column(
                         else ascii_symbols[item_qubit_index]
                     )
                 elif qubit in control_qubits:
-                    symbols[qubit] = "●" if map_control_qubit_states[qubit] else "◯"
+                    symbols[qubit] = "C" if map_control_qubit_states[qubit] else "N"
                 else:
                     symbols[qubit] = "|"
 

src/braket/circuits/box_drawing_circuit_diagram.py

@@ -382,7 +382,7 @@ def _ascii_diagram_column(
                             # when a user has a gate genuinely named C, but
                             # is necessary to enable proper printing of custom
                             # gates with built-in control qubits
-                            and ascii_symbols[item_qubit_index] != "●"
+                            and ascii_symbols[item_qubit_index] != "C"
                         )
                         else ""
                     )
@@ -391,7 +391,7 @@ def _ascii_diagram_column(
                         if power_string
                         else ascii_symbols[item_qubit_index]
                     )
-                    if symbols[qubit] in ["●", "◯"]:
+                    if symbols[qubit] in ["C", "N"]:
                         if min(target_and_control) < qubit < max(target_and_control):
                             connections[qubit] = "both"
                         elif qubit == max(target_and_control):
@@ -400,7 +400,7 @@ def _ascii_diagram_column(
                             connections[qubit] = "below"
 
                 elif qubit in control_qubits:
-                    symbols[qubit] = "●" if map_control_qubit_states[qubit] else "◯"
+                    symbols[qubit] = "C" if map_control_qubit_states[qubit] else "N"
                     if min(target_and_control) < qubit < max(target_and_control):
                         connections[qubit] = "both"
                     elif qubit == max(target_and_control):
@@ -461,12 +461,12 @@ def _draw_symbol(
 
         top = ""
         bottom = ""
-        if symbol in ["●", "◯"]:
+        if symbol in ["C", "N"]:
             if connection in ["above", "both"]:
                 top = fill_symbol("│", " ")
             if connection in ["below", "both"]:
                 bottom = fill_symbol("│", " ")
-            symbol = fill_symbol(f"{symbol}", "─")
+            symbol = fill_symbol("●" if symbol == "C" else "◯", "─")
         elif symbol in ["StartVerbatim", "EndVerbatim"]:
             top, symbol, bottom = BoxDrawingCircuitDiagram._build_verbatim_box(symbol, connection)
         elif symbol == "┼":

src/braket/circuits/circuit.py

@@ -713,7 +713,7 @@ def apply_gate_noise(
             >>> print(circ)
             T  : |0|1|2|
 
-            q0 : -X-Z-●-
+            q0 : -X-Z-C-
                       |
             q1 : -Y-X-X-
 
@@ -724,7 +724,7 @@ def apply_gate_noise(
             >>> print(circ.apply_gate_noise(noise, target_gates = Gate.X))
             T  : |     0     |     1     |2|
 
-            q0 : -X-DEPO(0.1)-Z-----------●-
+            q0 : -X-DEPO(0.1)-Z-----------C-
                                           |
             q1 : -Y-----------X-DEPO(0.1)-X-
 
@@ -734,7 +734,7 @@ def apply_gate_noise(
             >>> print(circ.apply_gate_noise(noise, target_qubits = 1))
             T  : |     0     |     1     |     2     |
 
-            q0 : -X-----------Z-----------●-----------
+            q0 : -X-----------Z-----------C-----------
                                           |
             q1 : -Y-DEPO(0.1)-X-DEPO(0.1)-X-DEPO(0.1)-
 
@@ -747,7 +747,7 @@ def apply_gate_noise(
             ... )
             T  : |     0     |     1     |2|
 
-            q0 : -X-DEPO(0.1)-Z-----------●-
+            q0 : -X-DEPO(0.1)-Z-----------C-
                                           |
             q1 : -Y-DEPO(0.1)-X-DEPO(0.1)-X-
 

src/braket/circuits/gate.py

@@ -42,7 +42,7 @@ def __init__(self, qubit_count: Optional[int], ascii_symbols: Sequence[str]):
                 printing a diagram of circuits. Length must be the same as `qubit_count`, and
                 index ordering is expected to correlate with target ordering on the instruction.
                 For instance, if CNOT instruction has the control qubit on the first index and
-                target qubit on the second index. Then ASCII symbols would have ["●", "X"] to
+                target qubit on the second index. Then ASCII symbols would have ["C", "X"] to
                 correlate a symbol with that index.
 
         Raises:

src/braket/circuits/gates.py

@@ -1539,7 +1539,7 @@ class CNot(Gate):
     """
 
     def __init__(self):
-        super().__init__(qubit_count=None, ascii_symbols=["●", "X"])
+        super().__init__(qubit_count=None, ascii_symbols=["C", "X"])
 
     @property
     def _qasm_name(self) -> str:
@@ -2023,7 +2023,7 @@ def __init__(self, angle: Union[FreeParameterExpression, float]):
         super().__init__(
             angle=angle,
             qubit_count=None,
-            ascii_symbols=["●", angled_ascii_characters("PHASE", angle)],
+            ascii_symbols=["C", angled_ascii_characters("PHASE", angle)],
         )
 
     @property
@@ -2108,7 +2108,7 @@ def __init__(self, angle: Union[FreeParameterExpression, float]):
         super().__init__(
             angle=angle,
             qubit_count=None,
-            ascii_symbols=["●", angled_ascii_characters("PHASE00", angle)],
+            ascii_symbols=["C", angled_ascii_characters("PHASE00", angle)],
         )
 
     @property
@@ -2193,7 +2193,7 @@ def __init__(self, angle: Union[FreeParameterExpression, float]):
         super().__init__(
             angle=angle,
             qubit_count=None,
-            ascii_symbols=["●", angled_ascii_characters("PHASE01", angle)],
+            ascii_symbols=["C", angled_ascii_characters("PHASE01", angle)],
         )
 
     @property
@@ -2278,7 +2278,7 @@ def __init__(self, angle: Union[FreeParameterExpression, float]):
         super().__init__(
             angle=angle,
             qubit_count=None,
-            ascii_symbols=["●", angled_ascii_characters("PHASE10", angle)],
+            ascii_symbols=["C", angled_ascii_characters("PHASE10", angle)],
         )
 
     @property
@@ -2357,7 +2357,7 @@ class CV(Gate):
     """
 
     def __init__(self):
-        super().__init__(qubit_count=None, ascii_symbols=["●", "V"])
+        super().__init__(qubit_count=None, ascii_symbols=["C", "V"])
 
     @property
     def _qasm_name(self) -> str:
@@ -2434,7 +2434,7 @@ class CY(Gate):
     """
 
     def __init__(self):
-        super().__init__(qubit_count=None, ascii_symbols=["●", "Y"])
+        super().__init__(qubit_count=None, ascii_symbols=["C", "Y"])
 
     @property
     def _qasm_name(self) -> str:
@@ -2511,7 +2511,7 @@ class CZ(Gate):
     """
 
     def __init__(self):
-        super().__init__(qubit_count=None, ascii_symbols=["●", "Z"])
+        super().__init__(qubit_count=None, ascii_symbols=["C", "Z"])
 
     @property
     def _qasm_name(self) -> str:
@@ -3008,7 +3008,7 @@ class CCNot(Gate):
     """
 
     def __init__(self):
-        super().__init__(qubit_count=None, ascii_symbols=["●", "●", "X"])
+        super().__init__(qubit_count=None, ascii_symbols=["C", "C", "X"])
 
     @property
     def _qasm_name(self) -> str:
@@ -3116,7 +3116,7 @@ class CSwap(Gate):
     """
 
     def __init__(self):
-        super().__init__(qubit_count=None, ascii_symbols=["●", "SWAP", "SWAP"])
+        super().__init__(qubit_count=None, ascii_symbols=["C", "SWAP", "SWAP"])
 
     @property
     def _qasm_name(self) -> str:

src/braket/circuits/quantum_operator.py

@@ -39,7 +39,7 @@ def __init__(self, qubit_count: Optional[int], ascii_symbols: Sequence[str]):
                 Length must be the same as `qubit_count`, and index ordering is expected
                 to correlate with target ordering on the instruction.
                 For instance, if CNOT instruction has the control qubit on the first index and
-                target qubit on the second index. Then ASCII symbols would have ["●", "X"] to
+                target qubit on the second index. Then ASCII symbols would have ["C", "X"] to
                 correlate a symbol with that index.
 
         Raises: