From fc6d57ffb8d5ddb5820fcc00b5491a585c259ebc Mon Sep 17 00:00:00 2001
From: Yuren Hao <yurenh2@timan108.cs.illinois.edu>
Date: Thu, 4 Sep 2025 22:16:22 -0500
Subject: Initial commit

---
 .../latex2sympy/sandbox/sandbox_equality.py        | 75 ++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100755 Qwen2.5-Eval/evaluation/latex2sympy/sandbox/sandbox_equality.py

(limited to 'Qwen2.5-Eval/evaluation/latex2sympy/sandbox/sandbox_equality.py')

diff --git a/Qwen2.5-Eval/evaluation/latex2sympy/sandbox/sandbox_equality.py b/Qwen2.5-Eval/evaluation/latex2sympy/sandbox/sandbox_equality.py
new file mode 100755
index 0000000..5e3f444
--- /dev/null
+++ b/Qwen2.5-Eval/evaluation/latex2sympy/sandbox/sandbox_equality.py
@@ -0,0 +1,75 @@
+from sympy import *
+from latex2sympy import process_sympy
+
+
+#
+# Equality Testing
+#
+
+answer_sets = [
+    {
+        'correct_answer': '(x-y)(x+2y)',
+        'student_answers': [
+            'x^2+xy-2y^2',
+            '(x-y)(x+2y)',
+            '(x+2y)(x-y)',
+            '(2\\times y+x)(-y+x)',
+            '(y\\cdot 2+x)(-y+x)'
+        ]
+    },
+    {
+        'correct_answer': '2\\pi \\variable{r}^2',
+        'student_answers': [
+            '2\\pi \\variable{r}^2',
+            '\\pi 2\\variable{r}^2',
+            '2\\times \\pi \\times \\variable{r}^2',
+            '2\\pi \\variable{r} \\times \\variable{r}'
+        ]
+    },
+    {
+        'correct_answer': '2x - 3y',
+        'student_answers': [
+            '-3y + 2x'
+        ]
+    },
+    {
+        'correct_answer': 'x\\times x',
+        'student_answers': [
+            'x\\times x',
+            'x\\cdot x',
+            'x^2',
+            '(\\sqrt{x})^{4}'
+        ]
+    },
+    {
+        'correct_answer': '23e^{-1\\times \\sqrt{t^2}}',
+        'student_answers': [
+            '23e^{-t}'
+        ]
+    },
+    {
+        'correct_answer': 'a=x^2+1',
+        'student_answers': [
+            'x^2+1=a'
+        ]
+    }
+]
+
+for answer_set in answer_sets:
+    correct_answer = answer_set['correct_answer']
+    correct_answer_parsed = process_sympy(answer_set['correct_answer'])
+    for student_answer in answer_set['student_answers']:
+        student_answer_parsed = process_sympy(student_answer)
+        print('correct_answer (c): ', correct_answer, correct_answer_parsed)
+        print('student_answer (a): ', student_answer, student_answer_parsed)
+        print('')
+        print('Expression Tree (srepr(c) == srepr(a)) =>', srepr(correct_answer_parsed) == srepr(student_answer_parsed))
+        print('srepr(c) =>', srepr(correct_answer_parsed))
+        print('srepr(a) =>', srepr(student_answer_parsed))
+        print('')
+        # print('Structural (c == a) =>', correct_answer_parsed == student_answer_parsed)
+        print('Symbolic (simplify(c - s) == 0) =>', simplify(correct_answer_parsed - student_answer_parsed) == 0)
+        print('simplified =>', simplify(correct_answer_parsed - student_answer_parsed))
+        print('')
+        print('Numeric Substitution (c.equals(s)) =>', correct_answer_parsed.equals(student_answer_parsed))
+        print('-----------------------------------------------------')
-- 
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