3 * Makes the interface to the underlying bignum package available. */
6 * GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #ifndef __GINAC_NUMERIC_H__
24 #define __GINAC_NUMERIC_H__
30 #include <cln/number.h>
31 // forward decln of cln::cl_N, since cln/complex_class.h is not included:
32 namespace cln { class cl_N; }
34 #if defined(G__CINTVERSION) && !defined(__MAKECINT__)
35 // Cint @$#$! doesn't like forward declaring classes used for casting operators
36 // so we have to include the definition of cln::cl_N here, but it is enough to
37 // do so for the compiler, hence the !defined(__MAKECINT__).
38 #include <cln/complex_class.h>
41 #ifndef NO_NAMESPACE_GINAC
43 #endif // ndef NO_NAMESPACE_GINAC
45 #define HASHVALUE_NUMERIC 0x80000001U
47 /** This class is used to instantiate a global object Digits which
48 * behaves just like Maple's Digits. We need an object rather than a
49 * dumber basic type since as a side-effect we let it change
50 * cl_default_float_format when it gets changed. The only other
51 * meaningful thing to do with it is converting it to an unsigned,
52 * for temprary storing its value e.g. The user must not create an
53 * own working object of this class! Since C++ forces us to make the
54 * class definition visible in order to use an object we put in a
55 * flag which prevents other objects of that class to be created. */
61 _numeric_digits& operator=(long prec);
63 void print(std::ostream & os) const;
70 /** This class is a wrapper around CLN-numbers within the GiNaC class
71 * hierarchy. Objects of this type may directly be created by the user.*/
72 class numeric : public basic
74 GINAC_DECLARE_REGISTERED_CLASS(numeric, basic)
80 explicit numeric(int i);
81 explicit numeric(unsigned int i);
82 explicit numeric(long i);
83 explicit numeric(unsigned long i);
84 explicit numeric(long numer, long denom);
85 explicit numeric(double d);
86 explicit numeric(const char *);
88 // functions overriding virtual functions from bases classes
90 basic * duplicate() const;
91 void print(std::ostream & os, unsigned precedence=0) const;
92 void printraw(std::ostream & os) const;
93 void printtree(std::ostream & os, unsigned indent) const;
94 void printcsrc(std::ostream & os, unsigned type, unsigned precedence=0) const;
95 bool info(unsigned inf) const;
96 bool has(const ex & other) const;
97 ex eval(int level=0) const;
98 ex evalf(int level=0) const;
99 ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
100 ex to_rational(lst &repl_lst) const;
101 numeric integer_content(void) const;
102 ex smod(const numeric &xi) const;
103 numeric max_coefficient(void) const;
105 ex derivative(const symbol & s) const;
106 int compare_same_type(const basic & other) const;
107 bool is_equal_same_type(const basic & other) const;
108 unsigned calchash(void) const;
110 // new virtual functions which can be overridden by derived classes
113 // non-virtual functions in this class
115 const numeric add(const numeric & other) const;
116 const numeric sub(const numeric & other) const;
117 const numeric mul(const numeric & other) const;
118 const numeric div(const numeric & other) const;
119 const numeric power(const numeric & other) const;
120 const numeric & add_dyn(const numeric & other) const;
121 const numeric & sub_dyn(const numeric & other) const;
122 const numeric & mul_dyn(const numeric & other) const;
123 const numeric & div_dyn(const numeric & other) const;
124 const numeric & power_dyn(const numeric & other) const;
125 const numeric & operator=(int i);
126 const numeric & operator=(unsigned int i);
127 const numeric & operator=(long i);
128 const numeric & operator=(unsigned long i);
129 const numeric & operator=(double d);
130 const numeric & operator=(const char * s);
131 const numeric inverse(void) const;
132 int csgn(void) const;
133 int compare(const numeric & other) const;
134 bool is_equal(const numeric & other) const;
135 bool is_zero(void) const;
136 bool is_positive(void) const;
137 bool is_negative(void) const;
138 bool is_integer(void) const;
139 bool is_pos_integer(void) const;
140 bool is_nonneg_integer(void) const;
141 bool is_even(void) const;
142 bool is_odd(void) const;
143 bool is_prime(void) const;
144 bool is_rational(void) const;
145 bool is_real(void) const;
146 bool is_cinteger(void) const;
147 bool is_crational(void) const;
148 bool operator==(const numeric & other) const;
149 bool operator!=(const numeric & other) const;
150 bool operator<(const numeric & other) const;
151 bool operator<=(const numeric & other) const;
152 bool operator>(const numeric & other) const;
153 bool operator>=(const numeric & other) const;
154 int to_int(void) const;
155 long to_long(void) const;
156 double to_double(void) const;
157 cln::cl_N to_cl_N(void) const;
158 const numeric real(void) const;
159 const numeric imag(void) const;
160 const numeric numer(void) const;
161 const numeric denom(void) const;
162 int int_length(void) const;
163 // converting routines for interfacing with CLN:
164 numeric(const cln::cl_N & z);
169 static unsigned precedence;
170 cln::cl_number value;
175 extern const numeric I;
176 extern _numeric_digits Digits;
178 //#define is_a_numeric_hash(x) ((x)==HASHVALUE_NUMERIC)
179 // may have to be changed to ((x)>=0x80000000U)
182 //#define is_a_numeric_hash(x) ((x)&0x80000000U)
186 const numeric exp(const numeric & x);
187 const numeric log(const numeric & x);
188 const numeric sin(const numeric & x);
189 const numeric cos(const numeric & x);
190 const numeric tan(const numeric & x);
191 const numeric asin(const numeric & x);
192 const numeric acos(const numeric & x);
193 const numeric atan(const numeric & x);
194 const numeric atan(const numeric & y, const numeric & x);
195 const numeric sinh(const numeric & x);
196 const numeric cosh(const numeric & x);
197 const numeric tanh(const numeric & x);
198 const numeric asinh(const numeric & x);
199 const numeric acosh(const numeric & x);
200 const numeric atanh(const numeric & x);
201 const numeric Li2(const numeric & x);
202 const numeric zeta(const numeric & x);
203 const numeric lgamma(const numeric & x);
204 const numeric tgamma(const numeric & x);
205 const numeric psi(const numeric & x);
206 const numeric psi(const numeric & n, const numeric & x);
207 const numeric factorial(const numeric & n);
208 const numeric doublefactorial(const numeric & n);
209 const numeric binomial(const numeric & n, const numeric & k);
210 const numeric bernoulli(const numeric & n);
211 const numeric fibonacci(const numeric & n);
212 const numeric abs(const numeric & x);
213 const numeric isqrt(const numeric & x);
214 const numeric sqrt(const numeric & x);
215 const numeric abs(const numeric & x);
216 const numeric mod(const numeric & a, const numeric & b);
217 const numeric smod(const numeric & a, const numeric & b);
218 const numeric irem(const numeric & a, const numeric & b);
219 const numeric irem(const numeric & a, const numeric & b, numeric & q);
220 const numeric iquo(const numeric & a, const numeric & b);
221 const numeric iquo(const numeric & a, const numeric & b, numeric & r);
222 const numeric gcd(const numeric & a, const numeric & b);
223 const numeric lcm(const numeric & a, const numeric & b);
225 // wrapper functions around member functions
226 inline const numeric pow(const numeric & x, const numeric & y)
227 { return x.power(y); }
229 inline const numeric inverse(const numeric & x)
230 { return x.inverse(); }
232 inline int csgn(const numeric & x)
235 inline bool is_zero(const numeric & x)
236 { return x.is_zero(); }
238 inline bool is_positive(const numeric & x)
239 { return x.is_positive(); }
241 inline bool is_integer(const numeric & x)
242 { return x.is_integer(); }
244 inline bool is_pos_integer(const numeric & x)
245 { return x.is_pos_integer(); }
247 inline bool is_nonneg_integer(const numeric & x)
248 { return x.is_nonneg_integer(); }
250 inline bool is_even(const numeric & x)
251 { return x.is_even(); }
253 inline bool is_odd(const numeric & x)
254 { return x.is_odd(); }
256 inline bool is_prime(const numeric & x)
257 { return x.is_prime(); }
259 inline bool is_rational(const numeric & x)
260 { return x.is_rational(); }
262 inline bool is_real(const numeric & x)
263 { return x.is_real(); }
265 inline bool is_cinteger(const numeric & x)
266 { return x.is_cinteger(); }
268 inline bool is_crational(const numeric & x)
269 { return x.is_crational(); }
271 inline int to_int(const numeric & x)
272 { return x.to_int(); }
274 inline long to_long(const numeric & x)
275 { return x.to_long(); }
277 inline double to_double(const numeric & x)
278 { return x.to_double(); }
280 inline const numeric real(const numeric & x)
283 inline const numeric imag(const numeric & x)
286 inline const numeric numer(const numeric & x)
287 { return x.numer(); }
289 inline const numeric denom(const numeric & x)
290 { return x.denom(); }
292 // numeric evaluation functions for class constant objects:
296 ex CatalanEvalf(void);
300 inline const numeric &ex_to_numeric(const ex &e)
302 return static_cast<const numeric &>(*e.bp);
306 #ifndef NO_NAMESPACE_GINAC
308 #endif // ndef NO_NAMESPACE_GINAC
311 #pragma link off defined_in cln/number.h;
312 #pragma link off defined_in cln/complex_class.h;
315 #endif // ndef __GINAC_NUMERIC_H__