log(-<realnumber>) now returns a real number (correct CVS check-in)
authorJens Vollinga <vollinga@thep.physik.uni-mainz.de>
Wed, 1 Sep 2004 15:10:27 +0000 (15:10 +0000)
committerJens Vollinga <vollinga@thep.physik.uni-mainz.de>
Wed, 1 Sep 2004 15:10:27 +0000 (15:10 +0000)
ginac/inifcns_trans.cpp

index 0d4cb32ef4d621b67e66b3b9172f734e3a596669..56d52c59737784be9489bc84b23288601e1e1acd 100644 (file)
@@ -111,8 +111,7 @@ static ex log_eval(const ex & x)
        if (x.info(info_flags::numeric)) {
                if (x.is_zero())         // log(0) -> infinity
                        throw(pole_error("log_eval(): log(0)",0));
-               if (x.info(info_flags::real) && x.info(info_flags::negative))
-               //if (x.info(info_flags::rational) && x.info(info_flags::negative))
+               if (x.info(info_flags::rational) && x.info(info_flags::negative))
                        return (log(-x)+I*Pi);
                if (x.is_equal(_ex1))  // log(1) -> 0
                        return _ex0;