init eval

1 files changed, 50 insertions, 0 deletions

diff --git a/Qwen2.5-Eval/evaluation/latex2sympy/asciimath_printer.py b/Qwen2.5-Eval/evaluation/latex2sympy/asciimath_printer.py
new file mode 100755
index 0000000..dd1b676
--- /dev/null
+++ b/Qwen2.5-Eval/evaluation/latex2sympy/asciimath_printer.py
@@ -0,0 +1,50 @@
+from sympy.printing.str import StrPrinter
+from sympy.core import S
+
+class AsciiMathPrinter(StrPrinter):
+
+    def _print_Limit(self, expr):
+        e, z = expr.args
+
+        return "lim_(%s -> %s) %s" % (self._print(z), self._print(z), self._print(e))
+
+    def _print_Integral(self, expr):
+        e, lims = expr.args
+        if len(lims) > 1:
+            return "int_(%s)^(%s) %s d%s" % (self._print(lims[1]), self._print(lims[2]), self._print(e), self._print(lims[0]))
+        else:
+            return "int %s d%s" % (self._print(e), self._print(lims))
+    
+    def _print_Sum(self, expr):
+        e, lims = expr.args
+        return "sum_(%s = %s)^(%s) %s" % (self._print(lims[0]), self._print(lims[1]), self._print(lims[2]), self._print(e))
+
+    def _print_Product(self, expr):
+        e, lims = expr.args
+        return "prod_(%s = %s)^(%s) %s" % (self._print(lims[0]), self._print(lims[1]), self._print(lims[2]), self._print(e))
+
+    def _print_factorial(self, expr):
+        return "%s!" % self._print(expr.args[0])
+
+    def _print_Derivative(self, expr):
+        e = expr.args[0]
+        wrt = expr.args[1]
+        return "d/d%s %s" % (self._print(wrt), self._print(e))
+
+    def _print_Abs(self, expr):
+        return "|%s|" % self._print(expr.args[0])
+
+    def _print_Equality(self, expr):
+        return "%s = %s" % (self._print(expr.args[0]), self._print(expr.args[1]))
+
+    def _print_Pow(self, expr):
+        b = self._print(expr.base)
+        if expr.exp is S.Half:
+            return "sqrt(%s)" % b
+
+        if -expr.exp is S.Half:
+            return "1/sqrt(%s)" % b
+        if expr.exp is -S.One:
+            return "1/%s" % b
+
+        return "%s^(%s)" % (b, self._print(expr.exp))