842 exprreal(NODE *np)  in exprreal()  function
1118 			f1 = (double)exprreal(np->n_left);  in exprreduce()
1119 			f2 = (double)exprreal(np->n_right);  in exprreduce()
1255 		r1 = exprreal(left);  in arithmetic()
1256 		r2 = exprreal(np->n_right);  in arithmetic()
1265 			r2 = exprreal(right);  in arithmetic()
1377 		r1 = exprreal(left);  in comparison()
1378 		r2 = exprreal(right);  in comparison()
1408 			r1 = exprreal(left);  in comparison()
1409 			r2 = exprreal(right);  in comparison()
2090 		rval = isstring(t) ? exprreal(np) : np->n_real;  in exprtest()