X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=ginac%2Fflags.h;h=8ef1c0ac07e03a72f8482a431b886543b3bbfc1a;hb=7122817fdf1a79bb34574c32bf13b20185dacc5e;hp=90f58ad2e734669dd383b7a2c7d77a2b3c3942dd;hpb=f955a9a96bd9d649880ca7cf156120cc882fa4e6;p=ginac.git

diff --git a/ginac/flags.h b/ginac/flags.h
index 90f58ad2..8ef1c0ac 100644
--- a/ginac/flags.h
+++ b/ginac/flags.h
@@ -34,6 +34,14 @@ public:
 	};
 };
 
+/** Flags to control the behavior of has(). */
+class has_options {
+public:
+	enum {
+		algebraic = 0x0001,              ///< enable algebraic matching
+	};
+};
+
 /** Flags to control the behavior of subs(). */
 class subs_options {
 public:
@@ -43,7 +51,12 @@ public:
 		algebraic = 0x0002,              ///< enable algebraic substitutions
 		subs_algebraic = 0x0002,  // for backwards compatibility
 		pattern_is_product = 0x0004,     ///< used internally by expairseq::subschildren()
-		pattern_is_not_product = 0x0008  ///< used internally by expairseq::subschildren()
+		pattern_is_not_product = 0x0008, ///< used internally by expairseq::subschildren()
+		no_index_renaming = 0x0010,
+		// To indicate that we want to substitue an index by something that is
+		// is not an index. Without this flag the index value would be
+		// substituted in that case.
+		really_subs_idx = 0x0020
 	};
 };
 
@@ -52,7 +65,8 @@ class domain {
 public:
 	enum {
 		complex,
-		real
+		real,
+		positive
 	};
 };
 
@@ -187,7 +201,7 @@ public:
 class info_flags {
 public:
 	enum {
-		// answered by class numeric
+		// answered by class numeric and symbols/constants in particular domains
 		numeric,
 		real,
 		rational,