/** @file numeric.h
*
- * Makes the interface to the underlying bignum package available.
- *
+ * Makes the interface to the underlying bignum package available. */
+
+/*
* GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
*
* This program is free software; you can redistribute it and/or modify
#define __GINAC_NUMERIC_H__
#include <strstream>
-
-#define HASHVALUE_NUMERIC 0x80000001U
+#include <ginac/basic.h>
+#include <ginac/ex.h>
class cl_N; // We want to include cln.h only in numeric.cpp in order to
// avoid namespace pollution and keep compile-time low.
+namespace GiNaC {
+
+#define HASHVALUE_NUMERIC 0x80000001U
+
/** This class is used to instantiate a global object Digits which
* behaves just like Maple's Digits. We need an object rather than a
* dumber basic type since as a side-effect we let it change
numeric power_dyn(numeric const & other) const { return power(other); }
*/
numeric inverse(void) const;
+ int csgn(void) const;
int compare(numeric const & other) const;
bool is_equal(numeric const & other) const;
bool is_zero(void) const;
numeric asinh(numeric const & x);
numeric acosh(numeric const & x);
numeric atanh(numeric const & x);
+numeric zeta(numeric const & x);
numeric gamma(numeric const & x);
+numeric psi(numeric const & n, numeric const & x);
numeric factorial(numeric const & n);
numeric doublefactorial(numeric const & n);
numeric binomial(numeric const & n, numeric const & k);
inline numeric inverse(numeric const & x)
{ return x.inverse(); }
+inline bool csgn(numeric const & x)
+{ return x.csgn(); }
+
inline bool is_zero(numeric const & x)
{ return x.is_zero(); }
ex EulerGammaEvalf(void);
ex CatalanEvalf(void);
-#define ex_to_numeric(X) static_cast<numeric const &>(*(X).bp)
+// utility functions
+inline const numeric &ex_to_numeric(const ex &e)
+{
+ return static_cast<const numeric &>(*e.bp);
+}
+} // namespace GiNaC
#endif // ndef __GINAC_NUMERIC_H__