[Style] pre-commit formatting for MultGate.

Author: ScottWe

src/test/test_mult.cpp

@@ -13,7 +13,8 @@ int main() {
   auto p0 = ctx.get_new_param_id(2.0);
   auto p1 = ctx.get_new_param_id(3.0);
   auto p2 = ctx.get_new_param_id(6.0);
-  auto p3 = ctx.get_new_param_expression_id({p0, p1}, ctx.get_gate(GateType::mult));
+  auto p3 =
+      ctx.get_new_param_expression_id({p0, p1}, ctx.get_gate(GateType::mult));
 
   CircuitSeq dag1(1);
   dag1.add_gate({0}, {p2}, ctx.get_gate(GateType::rx), &ctx);
@@ -27,4 +28,4 @@ int main() {
 
   // Working directory is cmake-build-debug/ here.
   system("python ../src/test/test_mult.py");
-}
+}

src/test/test_mult.py

@@ -4,6 +4,7 @@
 
 from src.python.verifier.gates import *
 
+
 def approx_eq(a, b):
     assert len(a) == 2
     assert len(b) == 2
@@ -13,6 +14,7 @@ def approx_eq(a, b):
     err = max(abs(cos_a - cos_b), abs(sin_a - sin_b))
     return err < 0.0000000000001
 
+
 def mult_test(expected, n, a):
     actual = mult(n, a)
     swapped = mult(a, n)
@@ -27,12 +29,14 @@ def test_positive(a):
         mult_test(expected, n, a)
         expected = add(a, expected)
 
+
 def test_negative(a):
     expected = neg(a)
     for n in range(-1, -41, -1):
         mult_test(expected, n, a)
         expected = add(neg(a), expected)
 
+
 def test_floats(a):
     n = 5
     expected = mult(n, a)
@@ -43,12 +47,14 @@ def test_floats(a):
     assert actual == swapped
     assert actual == expected
 
+
 def test_numbers():
     assert mult(2, 3.0) == 6.0
     assert mult(3.0, 2) == 6.0
     assert mult(3, 4) == 12
     assert mult(3.0, 0.1) == 0.3
 
+
 if __name__ == '__main__':
     v = 1 / math.sqrt(2)
     test_positive((v, v))