X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fsymbol.cpp;h=7e3b49d8bc7c0e59bcecf4c4034cfaaed1050a47;hp=59dda652a133f3e71b0c0930696beb41139947d1;hb=f79727f9acf4f78ff71cbe324c333c234c211cb5;hpb=aa378587448168767c40dcfc4c819d2893fc24a5;ds=sidebyside

diff --git a/ginac/symbol.cpp b/ginac/symbol.cpp
index 59dda652..7e3b49d8 100644
--- a/ginac/symbol.cpp
+++ b/ginac/symbol.cpp
@@ -196,7 +196,9 @@ bool symbol::info(unsigned inf) const
 	    inf == info_flags::rational_function)
 		return true;
 	if (inf == info_flags::real)
-		return domain == domain::real;
+		return domain==domain::real || domain==domain::positive;
+	if (inf == info_flags::nonnegative)
+		return domain == domain::positive;
 	else
 		return inherited::info(inf);
 }
@@ -228,14 +230,14 @@ ex symbol::conjugate() const
 
 ex symbol::real_part() const
 {
-	if (domain == domain::real)
+	if (domain==domain::real || domain==domain::positive)
 		return *this;
 	return real_part_function(*this).hold();
 }
 
 ex symbol::imag_part() const
 {
-	if (domain == domain::real)
+	if (domain==domain::real || domain==domain::positive)
 		return 0;
 	return imag_part_function(*this).hold();
 }