X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=ginac%2Fflags.h;h=11786653ed46f17805fbbfc7e83548c235692c4e;hb=9711eff3300caffadf44b3b1bf7c6e096f26bfaa;hp=0152c01e1931c3ba87fbe31dfc8d1c6762b5822d;hpb=083b0f50275a536be807fa2a34c1e278098e12f5;p=ginac.git

diff --git a/ginac/flags.h b/ginac/flags.h
index 0152c01e..11786653 100644
--- a/ginac/flags.h
+++ b/ginac/flags.h
@@ -3,7 +3,7 @@
  *  Collection of all flags used through the GiNaC framework. */
 
 /*
- *  GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -29,84 +29,123 @@ namespace GiNaC {
 
 class expand_options {
 public:
-    enum { expand_trigonometric      = 0x0001
-         };
+	enum {
+		expand_trigonometric = 0x0001
+	};
+};
+
+/** Flags to control series expansion. */
+class series_options {
+public:
+	enum {
+		suppress_branchcut = 0x0001
+	};
+};
+
+/** Switch to control algorithm for determinant computation. */
+class determinant_algo {
+public:
+	enum {
+		automatic,                      //! Let the system choose
+		gauss,                          //! Gauss elimiation
+		divfree,                        //! Division-free elimination
+		laplace,                        //! Laplace (or minor) elimination
+		bareiss                         //! Bareiss fraction-free elimination
+	};
+};
+
+/** Switch to control algorithm for linear system solving. */
+class solve_algo {
+public:
+	enum {
+		automatic,                      //! Let the system choose
+		gauss,                          //! Gauss elimiation
+		divfree,                        //! Division-free elimination
+		bareiss                         //! Bareiss fraction-free elimination
+	};
 };
 
+/** Flags to store information about the stato of an object. */
 class status_flags {
 public:
-    enum { dynallocated              = 0x0001,
-           evaluated                 = 0x0002,
-           expanded                  = 0x0004,
-           hash_calculated           = 0x0008
-         };
+	enum {
+		dynallocated    = 0x0001,       //! Heap-allocated (i.e. created by new)
+		evaluated       = 0x0002,       //! .eval() has already done its job
+		expanded        = 0x0004,       //! .expand() has already done its job
+		hash_calculated = 0x0008        //! .calchash() has already done its job
+	};
 };
 
 /** Possible attributes an object can have. */
 class info_flags {
 public:
-    enum { 
-           // answered by class numeric
-           numeric,
-           real,
-           rational,
-           integer,
-           crational,
-           cinteger,
-           positive,
-           negative,
-           nonnegative,
-           posint,
-           negint,
-           nonnegint,
-           even,
-           odd,
-           prime,
-
-           // answered by class relation
-           relation,
-           relation_equal,
-           relation_not_equal,
-           relation_less,
-           relation_less_or_equal,
-           relation_greater,
-           relation_greater_or_equal,
-
-           // answered by class symbol
-           symbol,
-
-           // answered by class lst
-           list,
-
-           // answered by class exprseq
-           exprseq,
-
-           // answered by classes numeric, symbol, add, mul, power
-           polynomial,
-           integer_polynomial,
-           cinteger_polynomial,
-           rational_polynomial,
-           crational_polynomial,
-           rational_function,
-
-           // answered by class indexed
-           indexed,      // class can carry indices
-           has_indices,  // object has at least one index
-
-           // answered by class idx
-           idx,
-
-           // answered by class coloridx
-           coloridx,
-
-           // answered by class lorentzidx
-           lorentzidx
-    };
+	enum {
+		// answered by class numeric
+		numeric,
+		real,
+		rational,
+		integer,
+		crational,
+		cinteger,
+		positive,
+		negative,
+		nonnegative,
+		posint,
+		negint,
+		nonnegint,
+		even,
+		odd,
+		prime,
+
+		// answered by class relation
+		relation,
+		relation_equal,
+		relation_not_equal,
+		relation_less,
+		relation_less_or_equal,
+		relation_greater,
+		relation_greater_or_equal,
+
+		// answered by class symbol
+		symbol,
+
+		// answered by class lst
+		list,
+
+		// answered by class exprseq
+		exprseq,
+
+		// answered by classes numeric, symbol, add, mul, power
+		polynomial,
+		integer_polynomial,
+		cinteger_polynomial,
+		rational_polynomial,
+		crational_polynomial,
+		rational_function,
+		algebraic,
+
+		// answered by class indexed
+		indexed,      // class can carry indices
+		has_indices,  // object has at least one index
+
+		// answered by class idx
+		idx,
+
+		// answered by class coloridx
+		coloridx,
+
+		// answered by class lorentzidx
+		lorentzidx
+	};
 };
 
 class return_types {
 public:
-    enum { commutative, noncommutative, noncommutative_composite};
+	enum {
+		commutative,
+		noncommutative,
+		noncommutative_composite
+	};
 };
 
 class csrc_types {
@@ -118,6 +157,18 @@ public:
 	};
 };
 
+/** Strategies how to clean up the function remember cache.
+ *  @see remember_table */
+class remember_strategies {
+public:
+	enum {
+		delete_never,   //! Let table grow undefinitely, not recommmended, but currently default
+		delete_lru,     //! Least recently used
+		delete_lfu,     //! Least frequently used
+		delete_cyclic   //! First (oldest) one in list
+	};
+};
+
 #ifndef NO_NAMESPACE_GINAC
 } // namespace GiNaC
 #endif // ndef NO_NAMESPACE_GINAC