simplify var creation

double_pendule.py

@@ -11,8 +11,8 @@ m2 = lgc.Const(1)
 r1 = lgc.Const(1)
 r2 = lgc.Const(1)
 
-theta1 = lgc.Var("theta1")
-theta2 = lgc.Var("theta2")
+theta1 = lgc.Var()
+theta2 = lgc.Var()
 
 x1 = r1 * lgc.cos(theta1)
 y1 = r1 * lgc.sin(theta1)

double_pendule_a_ressort.py

@@ -11,10 +11,10 @@ r20 = lgc.Const(1)
 k1 = lgc.Const(50)
 k2 = lgc.Const(50)
 
-theta1 = lgc.Var("theta1")
-theta2 = lgc.Var("theta2")
-r1 = lgc.Var("r1")
-r2 = lgc.Var("r2")
+theta1 = lgc.Var()
+theta2 = lgc.Var()
+r1 = lgc.Var()
+r2 = lgc.Var()
 
 x1 = r1 * lgc.cos(theta1)
 y1 = r1 * lgc.sin(theta1)

legrandchien.py

@@ -1,6 +1,8 @@
 from enum import Enum
 import numpy as np
 from tqdm import tqdm
+import inspect
+import dis
 
 class Operation(Enum):
     VAR = 1
@@ -178,10 +180,19 @@ class Const:
 
 # var class
 class Var:
-    def __init__(self, name, degree=0) -> None:
-        self.name = name
+    def __init__(self, name=None, degree=0) -> None:
         self.type = "Var"
         self.degree = degree
+        if name == None:
+            frame = inspect.currentframe().f_back
+            instructions = list(dis.get_instructions(frame.f_code))
+            lasti = frame.f_lasti
+            for i, instr in enumerate(instructions):
+                if instr.offset > lasti:
+                    if instr.opname in ("STORE_NAME", "STORE_FAST"):
+                        name = instr.argval
+                    break
+        self.name = name
 
     def copy(self):
         return Var(self.name, self.degree)

pendule_a_ressort.py

@@ -8,8 +8,8 @@ m = lgc.Const(1)
 k = lgc.Const(10)
 r0 = lgc.Const(1)
 
-theta = lgc.Var("theta")
-r = lgc.Var("r")
+theta = lgc.Var()
+r = lgc.Var()
 
 x = r * lgc.cos(theta)
 y = r * lgc.sin(theta)

pendule_simple.py

@@ -7,7 +7,8 @@ g = lgc.Const(-10)
 m = lgc.Const(1)
 r = lgc.Const(1)
 
-theta = lgc.Var("theta")
+theta = lgc.Var()
+print(theta.name)
 
 x = r * lgc.cos(theta)
 y = r * lgc.sin(theta)