Reduced no of VALUE variables used

Author: rajithv

ext/symengine/symengine_utils.c

@@ -4,8 +4,7 @@
 void sympify(VALUE operand2, basic_struct *cbasic_operand2) {
 
     basic_struct *temp;
-    VALUE new_operand2, num, den;
-    VALUE real, imag;
+    VALUE new_operand2;
     VALUE a, b;
     double f;
     char *c;
@@ -22,15 +21,15 @@ void sympify(VALUE operand2, basic_struct *cbasic_operand2) {
             break;
 
         case T_RATIONAL:
-            num = rb_funcall(operand2, rb_intern("numerator"), 0, NULL);
-            den = rb_funcall(operand2, rb_intern("denominator"), 0, NULL);
+            a = rb_funcall(operand2, rb_intern("numerator"), 0, NULL);
+            b = rb_funcall(operand2, rb_intern("denominator"), 0, NULL);
 
             basic num_basic, den_basic;
             basic_new_stack(num_basic);
             basic_new_stack(den_basic);
 
-            get_symintfromval(num, num_basic);
-            get_symintfromval(den, den_basic);
+            get_symintfromval(a, num_basic);
+            get_symintfromval(b, den_basic);
 
             rational_set(cbasic_operand2, num_basic, den_basic);
 
@@ -39,17 +38,17 @@ void sympify(VALUE operand2, basic_struct *cbasic_operand2) {
             break;
 
         case T_COMPLEX:
-            real = rb_funcall(operand2, rb_intern("real"), 0, NULL);
-            imag = rb_funcall(operand2, rb_intern("imaginary"), 0, NULL);
+            a = rb_funcall(operand2, rb_intern("real"), 0, NULL);
+            b = rb_funcall(operand2, rb_intern("imaginary"), 0, NULL);
 
             basic real_basic;
             basic imag_basic;
 
             basic_new_stack(real_basic);
             basic_new_stack(imag_basic);
 
-            sympify(real, real_basic);
-            sympify(imag, imag_basic);
+            sympify(a, real_basic);
+            sympify(b, imag_basic);
 
             basic_const_I(cbasic_operand2);
             basic_mul(cbasic_operand2, cbasic_operand2, imag_basic);