- Made determinant_algo (in flags.h) really work.

[ginac.git] / ginac / inifcns.h

diff --git a/ginac/inifcns.h b/ginac/inifcns.h
index 644492d852dcb42f9f2c697a86409f7b8e8a505f..95ed15a1606404e458a41e3aab64801e21da1f2b 100644 (file)
--- a/ginac/inifcns.h
+++ b/ginac/inifcns.h
@@ -23,15 +23,21 @@
 #ifndef __GINAC_INIFCNS_H__
 #define __GINAC_INIFCNS_H__
 
-#include <ginac/function.h>
-#include <ginac/ex.h>
+#include "function.h"
+#include "ex.h"
 
-#ifndef NO_GINAC_NAMESPACE
+#ifndef NO_NAMESPACE_GINAC
 namespace GiNaC {
-#endif // ndef NO_GINAC_NAMESPACE
+#endif // ndef NO_NAMESPACE_GINAC
 
 /** Absolute value. */
 DECLARE_FUNCTION_1P(abs)
+    
+/** Complex sign. */
+DECLARE_FUNCTION_1P(csgn)
+
+/** Eta function: log(a*b) == log(a) + log(b) + eta(a, b). */
+DECLARE_FUNCTION_2P(eta)
 
 /** Sine. */
 DECLARE_FUNCTION_1P(sin)
@@ -84,33 +90,34 @@ DECLARE_FUNCTION_1P(Li2)
 /** Trilogarithm. */
 DECLARE_FUNCTION_1P(Li3)
 
-// overloading at work: we cannot use the macros
+// overloading at work: we cannot use the macros here
 /** Riemann's Zeta-function. */
 extern const unsigned function_index_zeta1;
-inline function zeta(ex const & p1) {
+inline function zeta(const ex & p1) {
     return function(function_index_zeta1, p1);
 }
 /** Derivatives of Riemann's Zeta-function. */
 extern const unsigned function_index_zeta2;
-inline function zeta(ex const & p1, ex const & p2) {
+inline function zeta(const ex & p1, const ex & p2) {
     return function(function_index_zeta2, p1, p2);
 }
 
 /** Gamma-function. */
-DECLARE_FUNCTION_1P(gamma)
+DECLARE_FUNCTION_1P(lgamma)
+DECLARE_FUNCTION_1P(tgamma)
 
 /** Beta-function. */
 DECLARE_FUNCTION_2P(beta)
 
-// overloading at work: we cannot use the macros
+// overloading at work: we cannot use the macros here
 /** Psi-function (aka digamma-function). */
 extern const unsigned function_index_psi1;
-inline function psi(ex const & p1) {
+inline function psi(const ex & p1) {
     return function(function_index_psi1, p1);
 }
 /** Derivatives of Psi-function (aka polygamma-functions). */
 extern const unsigned function_index_psi2;
-inline function psi(ex const & p1, ex const & p2) {
+inline function psi(const ex & p1, const ex & p2) {
     return function(function_index_psi2, p1, p2);
 }
     
@@ -123,17 +130,20 @@ DECLARE_FUNCTION_2P(binomial)
 /** Order term function (for truncated power series). */
 DECLARE_FUNCTION_1P(Order)
 
-ex lsolve(ex const &eqns, ex const &symbols);
+/** Inert partial differentiation operator. */
+DECLARE_FUNCTION_2P(Derivative)
+
+ex lsolve(const ex &eqns, const ex &symbols);
 
-ex ncpower(ex const &basis, unsigned exponent);
+ex ncpower(const ex &basis, unsigned exponent);
 
-inline bool is_order_function(ex const & e)
+inline bool is_order_function(const ex & e)
 {
     return is_ex_the_function(e, Order);
 }
 
-#ifndef NO_GINAC_NAMESPACE
+#ifndef NO_NAMESPACE_GINAC
 } // namespace GiNaC
-#endif // ndef NO_GINAC_NAMESPACE
+#endif // ndef NO_NAMESPACE_GINAC
 
 #endif // ndef __GINAC_INIFCNS_H__