adding matplotlib rendering module

Author: gadhvirushiraj

.gitignore

@@ -70,6 +70,9 @@ instance/
 # Scrapy stuff:
 .scrapy
 
+# vscode
+.vscode
+
 # Sphinx documentation
 doc/_build/
 
@@ -128,4 +131,4 @@ venv.bak/
 dmypy.json
 
 # Pyre type checker
-.pyre/
+.pyre/

src/qutip_qip/circuit/__init__.py

@@ -4,6 +4,7 @@
 
 from .circuit import *
 from .circuitsimulator import *
+from .mat_renderer import *
 from ..operations import Gate, Measurement
 from .texrenderer import *
 

src/qutip_qip/circuit/circuit.py

@@ -200,6 +200,7 @@ def add_gate(
         classical_controls=None,
         control_value=None,
         classical_control_value=None,
+        style=None,
     ):
         """
         Adds a gate with specified parameters to the circuit.
@@ -245,6 +246,7 @@ def add_gate(
                 classical_controls=classical_controls,
                 control_value=control_value,
                 classical_control_value=classical_control_value,
+                style=style,
             )
 
         if index is None:
@@ -863,7 +865,7 @@ def propagators(self, expand=True, ignore_measurement=False):
         ignore_measurement: bool, optional
             Whether :class:`.Measurement` operators should be ignored.
             If set False, it will raise an error
-            when the circuit has measurement.
+            when the circuit hasf measurement.
 
         Returns
         -------
@@ -885,16 +887,9 @@ def propagators(self, expand=True, ignore_measurement=False):
             )
         for gate in gates:
             if gate.name == "GLOBALPHASE":
-                qobj = gate.get_qobj(self.N)
-            else:
-                qobj = self._get_gate_unitary(gate)
-                if expand:
-                    all_targets = gate.get_all_qubits()
-                    qobj = expand_operator(
-                        qobj, dims=self.dims, targets=all_targets
-                    )
-            U_list.append(qobj)
-        return U_list
+                qobj = gate.get_ (self.N)
+                U_list.append(qobj)
+                continue
 
     def _get_gate_unitary(self, gate):
         if gate.name in self.user_gates:

src/qutip_qip/circuit/color_theme.py

@@ -0,0 +1,30 @@
+'''
+Color theme for different gates in the circuit diagram.
+'''
+
+default_theme = {
+    "H": "#6270CE",
+    "SNOT": "#6270CE",
+    "X": "#CB4BF9",
+    "Y": "#CB4BF9",
+    "Z": "#CB4BF9",
+    "S": "#254065",
+    "T": "#254065",
+    "RX": "#5EBDF8",
+    "RY": "#5EBDF8",
+    "RZ": "#5EBDF8",
+    "CNOT": "#3B3470",
+    "CPHASE": '#456DB2',  # change
+    "TOFFOLI": "#3B3470",  # change
+    "SWAP": "#3B3470",
+    "CX": "#9598f5",
+    "CY": "#9598f5",
+    "CZ": "#9598f5",
+    "CS": "#9598f5",
+    "CT": "#9598f5",
+    "CRX": "#A66DDF",
+    "CRY": "#A66DDF",
+    "CRZ": "#A66DDF",
+    "BERKELEY": "#7648CB",
+    "FREDKIN": "#7648CB",
+}