/** @file utils.cpp
*
- * Implementation of several small and furry utilities. */
+ * Implementation of several small and furry utilities needed within GiNaC
+ * but not of any interest to the user of the library. */
+/*
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "ex.h"
+#include "numeric.h"
+#include "utils.h"
+#include "version.h"
+
+namespace GiNaC {
+
+/* Version information buried into the library */
+const int version_major = GINACLIB_MAJOR_VERSION;
+const int version_minor = GINACLIB_MINOR_VERSION;
+const int version_micro = GINACLIB_MICRO_VERSION;
+
+
+/** ctor for pole_error exception class. */
+pole_error::pole_error(const std::string& what_arg, int degree)
+ : domain_error(what_arg), deg(degree) { }
+
+/** Return the degree of the pole_error exception class. */
+int pole_error::degree(void) const
+{
+ return deg;
+}
+
+// some compilers (e.g. cygwin) define a macro log2, causing confusion
+#ifndef log2
+/** Integer binary logarithm */
unsigned log2(unsigned n)
{
- unsigned k;
- for (k = 0; n > 1; n >>= 1) ++k;
- return k;
+ unsigned k;
+ for (k = 0; n > 1; n >>= 1)
+ ++k;
+ return k;
+}
+#endif
+
+//////////
+// `construct on first use' chest of numbers
+//////////
+
+// numeric -120
+const numeric & _num_120(void)
+{
+ const static ex e = ex(numeric(-120));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_120(void)
+{
+ static ex * e = new ex(_num_120());
+ return *e;
+}
+
+// numeric -60
+const numeric & _num_60(void)
+{
+ const static ex e = ex(numeric(-60));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_60(void)
+{
+ static ex * e = new ex(_num_60());
+ return *e;
+}
+
+// numeric -48
+const numeric & _num_48(void)
+{
+ const static ex e = ex(numeric(-48));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_48(void)
+{
+ static ex * e = new ex(_num_48());
+ return *e;
+}
+
+// numeric -30
+const numeric & _num_30(void)
+{
+ const static ex e = ex(numeric(-30));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_30(void)
+{
+ static ex * e = new ex(_num_30());
+ return *e;
+}
+
+// numeric -25
+const numeric & _num_25(void)
+{
+ const static ex e = ex(numeric(-25));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_25(void)
+{
+ static ex * e = new ex(_num_25());
+ return *e;
+}
+
+// numeric -24
+const numeric & _num_24(void)
+{
+ const static ex e = ex(numeric(-24));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_24(void)
+{
+ static ex * e = new ex(_num_24());
+ return *e;
+}
+
+// numeric -20
+const numeric & _num_20(void)
+{
+ const static ex e = ex(numeric(-20));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_20(void)
+{
+ static ex * e = new ex(_num_20());
+ return *e;
+}
+
+// numeric -18
+const numeric & _num_18(void)
+{
+ const static ex e = ex(numeric(-18));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_18(void)
+{
+ static ex * e = new ex(_num_18());
+ return *e;
+}
+
+// numeric -15
+const numeric & _num_15(void)
+{
+ const static ex e = ex(numeric(-15));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_15(void)
+{
+ static ex * e = new ex(_num_15());
+ return *e;
+}
+
+// numeric -12
+const numeric & _num_12(void)
+{
+ const static ex e = ex(numeric(-12));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_12(void)
+{
+ static ex * e = new ex(_num_12());
+ return *e;
+}
+
+// numeric -11
+const numeric & _num_11(void)
+{
+ const static ex e = ex(numeric(-11));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_11(void)
+{
+ static ex * e = new ex(_num_11());
+ return *e;
+}
+
+// numeric -10
+const numeric & _num_10(void)
+{
+ const static ex e = ex(numeric(-10));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_10(void)
+{
+ static ex * e = new ex(_num_10());
+ return *e;
+}
+
+// numeric -9
+const numeric & _num_9(void)
+{
+ const static ex e = ex(numeric(-9));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_9(void)
+{
+ static ex * e = new ex(_num_9());
+ return *e;
+}
+
+// numeric -8
+const numeric & _num_8(void)
+{
+ const static ex e = ex(numeric(-8));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_8(void)
+{
+ static ex * e = new ex(_num_8());
+ return *e;
+}
+
+// numeric -7
+const numeric & _num_7(void)
+{
+ const static ex e = ex(numeric(-7));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_7(void)
+{
+ static ex * e = new ex(_num_7());
+ return *e;
+}
+
+// numeric -6
+const numeric & _num_6(void)
+{
+ const static ex e = ex(numeric(-6));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_6(void)
+{
+ static ex * e = new ex(_num_6());
+ return *e;
+}
+
+// numeric -5
+const numeric & _num_5(void)
+{
+ const static ex e = ex(numeric(-5));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_5(void)
+{
+ static ex * e = new ex(_num_5());
+ return *e;
+}
+
+// numeric -4
+const numeric & _num_4(void)
+{
+ const static ex e = ex(numeric(-4));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_4(void)
+{
+ static ex * e = new ex(_num_4());
+ return *e;
+}
+
+// numeric -3
+const numeric & _num_3(void)
+{
+ const static ex e = ex(numeric(-3));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_3(void)
+{
+ static ex * e = new ex(_num_3());
+ return *e;
+}
+
+// numeric -2
+const numeric & _num_2(void)
+{
+ const static ex e = ex(numeric(-2));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_2(void)
+{
+ static ex * e = new ex(_num_2());
+ return *e;
+}
+
+// numeric -1
+const numeric & _num_1(void)
+{
+ const static ex e = ex(numeric(-1));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_1(void)
+{
+ static ex * e = new ex(_num_1());
+ return *e;
+}
+
+// numeric -1/2
+const numeric & _num_1_2(void)
+{
+ const static ex e = ex(numeric(-1,2));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_1_2(void)
+{
+ static ex * e = new ex(_num_1_2());
+ return *e;
+}
+
+// numeric -1/3
+const numeric & _num_1_3(void)
+{
+ const static ex e = ex(numeric(-1,3));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_1_3(void)
+{
+ static ex * e = new ex(_num_1_3());
+ return *e;
+}
+
+// numeric -1/4
+const numeric & _num_1_4(void)
+{
+ const static ex e = ex(numeric(-1,4));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex_1_4(void)
+{
+ static ex * e = new ex(_num_1_4());
+ return *e;
+}
+
+// numeric 0
+const numeric & _num0(void)
+{
+ const static ex e = ex(numeric(0));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex0(void)
+{
+ static ex * e = new ex(_num0());
+ return *e;
+}
+
+// numeric 1/4
+const numeric & _num1_4(void)
+{
+ const static ex e = ex(numeric(1,4));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex1_4(void)
+{
+ static ex * e = new ex(_num1_4());
+ return *e;
+}
+
+// numeric 1/3
+const numeric & _num1_3(void)
+{
+ const static ex e = ex(numeric(1,3));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex1_3(void)
+{
+ static ex * e = new ex(_num1_3());
+ return *e;
+}
+
+// numeric 1/2
+const numeric & _num1_2(void)
+{
+ const static ex e = ex(numeric(1,2));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex1_2(void)
+{
+ static ex * e = new ex(_num1_2());
+ return *e;
+}
+
+// numeric 1
+const numeric & _num1(void)
+{
+ const static ex e = ex(numeric(1));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex1(void)
+{
+ static ex * e = new ex(_num1());
+ return *e;
+}
+
+// numeric 2
+const numeric & _num2(void)
+{
+ const static ex e = ex(numeric(2));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex2(void)
+{
+ static ex * e = new ex(_num2());
+ return *e;
}
-int compare_pointers(void const * a, void const * b)
+// numeric 3
+const numeric & _num3(void)
{
- if (a<b) {
- return -1;
- } else if (a>b) {
- return 1;
- }
- return 0;
+ const static ex e = ex(numeric(3));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
}
-// comment skeletton for header files
+const ex & _ex3(void)
+{
+ static ex * e = new ex(_num3());
+ return *e;
+}
+
+// numeric 4
+const numeric & _num4(void)
+{
+ const static ex e = ex(numeric(4));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex4(void)
+{
+ static ex * e = new ex(_num4());
+ return *e;
+}
+
+// numeric 5
+const numeric & _num5(void)
+{
+ const static ex e = ex(numeric(5));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex5(void)
+{
+ static ex * e = new ex(_num5());
+ return *e;
+}
+
+// numeric 6
+const numeric & _num6(void)
+{
+ const static ex e = ex(numeric(6));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex6(void)
+{
+ static ex * e = new ex(_num6());
+ return *e;
+}
+
+// numeric 7
+const numeric & _num7(void)
+{
+ const static ex e = ex(numeric(7));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex7(void)
+{
+ static ex * e = new ex(_num7());
+ return *e;
+}
+
+// numeric 8
+const numeric & _num8(void)
+{
+ const static ex e = ex(numeric(8));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex8(void)
+{
+ static ex * e = new ex(_num8());
+ return *e;
+}
+
+// numeric 9
+const numeric & _num9(void)
+{
+ const static ex e = ex(numeric(9));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex9(void)
+{
+ static ex * e = new ex(_num9());
+ return *e;
+}
+
+// numeric 10
+const numeric & _num10(void)
+{
+ const static ex e = ex(numeric(10));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex10(void)
+{
+ static ex * e = new ex(_num10());
+ return *e;
+}
+
+// numeric 11
+const numeric & _num11(void)
+{
+ const static ex e = ex(numeric(11));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex11(void)
+{
+ static ex * e = new ex(_num11());
+ return *e;
+}
+
+// numeric 12
+const numeric & _num12(void)
+{
+ const static ex e = ex(numeric(12));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex12(void)
+{
+ static ex * e = new ex(_num12());
+ return *e;
+}
+
+// numeric 15
+const numeric & _num15(void)
+{
+ const static ex e = ex(numeric(15));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex15(void)
+{
+ static ex * e = new ex(_num15());
+ return *e;
+}
+
+// numeric 18
+const numeric & _num18(void)
+{
+ const static ex e = ex(numeric(18));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex18(void)
+{
+ static ex * e = new ex(_num18());
+ return *e;
+}
+
+// numeric 20
+const numeric & _num20(void)
+{
+ const static ex e = ex(numeric(20));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex20(void)
+{
+ static ex * e = new ex(_num20());
+ return *e;
+}
+
+// numeric 24
+const numeric & _num24(void)
+{
+ const static ex e = ex(numeric(24));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex24(void)
+{
+ static ex * e = new ex(_num24());
+ return *e;
+}
+
+// numeric 25
+const numeric & _num25(void)
+{
+ const static ex e = ex(numeric(25));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex25(void)
+{
+ static ex * e = new ex(_num25());
+ return *e;
+}
+
+// numeric 30
+const numeric & _num30(void)
+{
+ const static ex e = ex(numeric(30));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex30(void)
+{
+ static ex * e = new ex(_num30());
+ return *e;
+}
+
+// numeric 48
+const numeric & _num48(void)
+{
+ const static ex e = ex(numeric(48));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex48(void)
+{
+ static ex * e = new ex(_num48());
+ return *e;
+}
+
+// numeric 60
+const numeric & _num60(void)
+{
+ const static ex e = ex(numeric(60));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex60(void)
+{
+ static ex * e = new ex(_num60());
+ return *e;
+}
+
+// numeric 120
+const numeric & _num120(void)
+{
+ const static ex e = ex(numeric(120));
+ const static numeric &n = ex_to<numeric>(e);
+ return n;
+}
+
+const ex & _ex120(void)
+{
+ static ex * e = new ex(_num120());
+ return *e;
+}
+
+// comment skeleton for header files
// member functions
- // default constructor, destructor, copy constructor assignment operator and helpers
- // none
+ // default ctor, dtor, copy ctor assignment operator and helpers
+ // none
- // other constructors
- // none
+ // other ctors
+ // none
- // functions overriding virtual functions from bases classes
- // none
-
- // new virtual functions which can be overridden by derived classes
- // none
+ // functions overriding virtual functions from base classes
+ // none
+
+ // new virtual functions which can be overridden by derived classes
+ // none
- // non-virtual functions in this class
- // none
+ // non-virtual functions in this class
+ // none
// member variables
// none
-
+
-// comment skeletton for implementation files
+// comment skeleton for implementation files
//////////
-// default constructor, destructor, copy constructor assignment operator and helpers
+// default ctor, dtor, copy ctor assignment operator and helpers
//////////
// public
// protected
//////////
-// other constructors
+// other ctors
//////////
// public
// none
//////////
-// functions overriding virtual functions from bases classes
+// functions overriding virtual functions from base classes
//////////
// public
// none
-
-
+} // namespace GiNaC
git://www.ginac.de / ginac.git / blobdiff