* irem(), iquo(): throw an exception, when second argument vanishes.

[ginac.git] / ginac / power.cpp

diff --git a/ginac/power.cpp b/ginac/power.cpp
index a6decf3cb39804eb1c255dd64d2ecebb317861ad..be7c2d371f61a12f1ec72697bd21f7d0ff41fa3b 100644 (file)
--- a/ginac/power.cpp
+++ b/ginac/power.cpp
@@ -33,6 +33,7 @@
 #include "constant.h"
 #include "inifcns.h" // for log() in power::derivative()
 #include "matrix.h"
+#include "indexed.h"
 #include "symbol.h"
 #include "print.h"
 #include "archive.h"
@@ -169,39 +170,27 @@ void power::print(const print_context & c, unsigned level) const
 
        } else {
 
+               bool is_tex = is_a<print_latex>(c);
+
                if (exponent.is_equal(_ex1_2)) {
-                       if (is_a<print_latex>(c))
-                               c.s << "\\sqrt{";
-                       else
-                               c.s << "sqrt(";
+                       c.s << (is_tex ? "\\sqrt{" : "sqrt(");
                        basis.print(c);
-                       if (is_a<print_latex>(c))
-                               c.s << '}';
-                       else
-                               c.s << ')';
+                       c.s << (is_tex ? '}' : ')');
                } else {
-                       if (precedence() <= level) {
-                               if (is_a<print_latex>(c))
-                                       c.s << "{(";
-                               else
-                                       c.s << "(";
-                       }
+                       if (precedence() <= level)
+                               c.s << (is_tex ? "{(" : "(");
                        basis.print(c, precedence());
                        if (is_a<print_python>(c))
                                c.s << "**";
                        else
                                c.s << '^';
-                       if (is_a<print_latex>(c))
+                       if (is_tex)
                                c.s << '{';
                        exponent.print(c, precedence());
-                       if (is_a<print_latex>(c))
+                       if (is_tex)
                                c.s << '}';
-                       if (precedence() <= level) {
-                               if (is_a<print_latex>(c))
-                                       c.s << ")}";
-                               else
-                                       c.s << ')';
-                       }
+                       if (precedence() <= level)
+                               c.s << (is_tex ? ")}" : ")");
                }
        }
 }