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Model: nv-community/Nemotron-Cascade-8B
Source: Original Platform

evaluation/eval/tools/latex2sympy/tests/atom_expr_test.py

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+from .context import assert_equal
+import pytest
+from sympy import Symbol, Integer, Pow
+
+# label, text, symbol_text
+symbols = [
+    ('letter', 'x', 'x'),
+    ('greek letter', '\\lambda', 'lambda'),
+    ('greek letter w/ space', '\\alpha ', 'alpha'),
+    ('accented letter', '\\overline{x}', 'xbar')
+]
+
+subscripts = [
+    ('2'),
+    ('{23}'),
+    ('i'),
+    ('{ij}'),
+    ('{i,j}'),
+    ('{good}'),
+    ('{x^2}')
+]
+
+examples = []
+for symbol in symbols:
+    for subscript in subscripts:
+        examples.append(tuple(list(symbol) + [subscript]))
+
+
+@pytest.mark.parametrize('label, text, symbol_text, subscript', examples)
+def test_with_supexpr(label, text, symbol_text, subscript):
+    assert_equal(text + '^2', Pow(Symbol(symbol_text, real=True), Integer(2)))
+
+
+@pytest.mark.parametrize('label, text, symbol_text, subscript', examples)
+def test_with_subexpr(label, text, symbol_text, subscript):
+    assert_equal(text + '_' + subscript, Symbol(symbol_text + '_' + subscript, real=True))
+
+
+@pytest.mark.parametrize('label, text, symbol_text, subscript', examples)
+def test_with_subexpr_before_supexpr(label, text, symbol_text, subscript):
+    assert_equal(text + '_' + subscript + '^2', Pow(Symbol(symbol_text + '_' + subscript, real=True), Integer(2)))
+
+
+@pytest.mark.parametrize('label, text, symbol_text, subscript', examples)
+def test_with_subexpr_before_supexpr_with_braces(label, text, symbol_text, subscript):
+    wrapped_subscript = subscript if '{' in subscript else '{' + subscript + '}'
+    assert_equal(text + '_' + wrapped_subscript + '^{2}', Pow(Symbol(symbol_text + '_' + subscript, real=True), Integer(2)))
+
+
+@pytest.mark.parametrize('label, text, symbol_text, subscript', examples)
+def test_with_supexpr_before_subexpr(label, text, symbol_text, subscript):
+    assert_equal(text + '^2_' + subscript, Pow(Symbol(symbol_text + '_' + subscript, real=True), Integer(2)))
+
+
+@pytest.mark.parametrize('label, text, symbol_text, subscript', examples)
+def test_with_supexpr_before_subexpr_with_braces(label, text, symbol_text, subscript):
+    wrapped_subscript = subscript if '{' in subscript else '{' + subscript + '}'
+    assert_equal(text + '^{2}_' + wrapped_subscript, Pow(Symbol(symbol_text + '_' + subscript, real=True), Integer(2)))