初始化项目，由ModelHub XC社区提供模型

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

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

@@ -0,0 +1,21 @@
+from .context import assert_equal
+import pytest
+from sympy import Sum, I, Symbol, Integer
+
+a = Symbol('a', real=True)
+b = Symbol('b', real=True)
+i = Symbol('i', real=True)
+n = Symbol('n', real=True)
+x = Symbol('x', real=True)
+
+
+def test_complex():
+    assert_equal("a+Ib", a + I * b)
+
+
+def test_complex_e():
+    assert_equal("e^{I\\pi}", Integer(-1))
+
+
+def test_complex_sum():
+    assert_equal("\\sum_{i=0}^{n} i \\cdot x", Sum(i * x, (i, 0, n)))