/** @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 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2011 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
*
* 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "ex.h"
+#include "numeric.h"
#include "utils.h"
+#include "version.h"
-#ifndef NO_GINAC_NAMESPACE
namespace GiNaC {
-#endif // ndef NO_GINAC_NAMESPACE
+
+/* 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() const
+{
+ return deg;
+}
/** 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;
}
-/** Compare two pointers (just to establish some sort of canonical order).
- * @return -1, 0, or 1 */
-int compare_pointers(void const * a, void const * b)
+
+//////////
+// flyweight chest of numbers is initialized here:
+//////////
+
+/** How many static objects were created? Only the first one must create
+ * the static flyweights on the heap. */
+int library_init::count = 0;
+
+// static numeric -120
+const numeric *_num_120_p;
+const ex _ex_120 = _ex_120;
+
+// static numeric -60
+const numeric *_num_60_p;
+const ex _ex_60 = _ex_60;
+
+// static numeric -48
+const numeric *_num_48_p;
+const ex _ex_48 = _ex_48;
+
+// static numeric -30
+const numeric *_num_30_p;
+const ex _ex_30 = _ex_30;
+
+// static numeric -25
+const numeric *_num_25_p;
+const ex _ex_25 = _ex_25;
+
+// static numeric -24
+const numeric *_num_24_p;
+const ex _ex_24 = _ex_24;
+
+// static numeric -20
+const numeric *_num_20_p;
+const ex _ex_20 = _ex_20;
+
+// static numeric -18
+const numeric *_num_18_p;
+const ex _ex_18 = _ex_18;
+
+// static numeric -15
+const numeric *_num_15_p;
+const ex _ex_15 = _ex_15;
+
+// static numeric -12
+const numeric *_num_12_p;
+const ex _ex_12 = _ex_12;
+
+// static numeric -11
+const numeric *_num_11_p;
+const ex _ex_11 = _ex_11;
+
+// static numeric -10
+const numeric *_num_10_p;
+const ex _ex_10 = _ex_10;
+
+// static numeric -9
+const numeric *_num_9_p;
+const ex _ex_9 = _ex_9;
+
+// static numeric -8
+const numeric *_num_8_p;
+const ex _ex_8 = _ex_8;
+
+// static numeric -7
+const numeric *_num_7_p;
+const ex _ex_7 = _ex_7;
+
+// static numeric -6
+const numeric *_num_6_p;
+const ex _ex_6 = _ex_6;
+
+// static numeric -5
+const numeric *_num_5_p;
+const ex _ex_5 = _ex_5;
+
+// static numeric -4
+const numeric *_num_4_p;
+const ex _ex_4 = _ex_4;
+
+// static numeric -3
+const numeric *_num_3_p;
+const ex _ex_3 = _ex_3;
+
+// static numeric -2
+const numeric *_num_2_p;
+const ex _ex_2 = _ex_2;
+
+// static numeric -1
+const numeric *_num_1_p;
+const ex _ex_1 = _ex_1;
+
+// static numeric -1/2
+const numeric *_num_1_2_p;
+const ex _ex_1_2= _ex_1_2;
+
+// static numeric -1/3
+const numeric *_num_1_3_p;
+const ex _ex_1_3= _ex_1_3;
+
+// static numeric -1/4
+const numeric *_num_1_4_p;
+const ex _ex_1_4= _ex_1_4;
+
+// static numeric 0
+const numeric *_num0_p;
+const basic *_num0_bp;
+const ex _ex0 = _ex0;
+
+// static numeric 1/4
+const numeric *_num1_4_p;
+const ex _ex1_4 = _ex1_4;
+
+// static numeric 1/3
+const numeric *_num1_3_p;
+const ex _ex1_3 = _ex1_3;
+
+// static numeric 1/2
+const numeric *_num1_2_p;
+const ex _ex1_2 = _ex1_2;
+
+// static numeric 1
+const numeric *_num1_p;
+const ex _ex1 = _ex1;
+
+// static numeric 2
+const numeric *_num2_p;
+const ex _ex2 = _ex2;
+
+// static numeric 3
+const numeric *_num3_p;
+const ex _ex3 = _ex3;
+
+// static numeric 4
+const numeric *_num4_p;
+const ex _ex4 = _ex4;
+
+// static numeric 5
+const numeric *_num5_p;
+const ex _ex5 = _ex5;
+
+// static numeric 6
+const numeric *_num6_p;
+const ex _ex6 = _ex6;
+
+// static numeric 7
+const numeric *_num7_p;
+const ex _ex7 = _ex7;
+
+// static numeric 8
+const numeric *_num8_p;
+const ex _ex8 = _ex8;
+
+// static numeric 9
+const numeric *_num9_p;
+const ex _ex9 = _ex9;
+
+// static numeric 10
+const numeric *_num10_p;
+const ex _ex10 = _ex10;
+
+// static numeric 11
+const numeric *_num11_p;
+const ex _ex11 = _ex11;
+
+// static numeric 12
+const numeric *_num12_p;
+const ex _ex12 = _ex12;
+
+// static numeric 15
+const numeric *_num15_p;
+const ex _ex15 = _ex15;
+
+// static numeric 18
+const numeric *_num18_p;
+const ex _ex18 = _ex18;
+
+// static numeric 20
+const numeric *_num20_p;
+const ex _ex20 = _ex20;
+
+// static numeric 24
+const numeric *_num24_p;
+const ex _ex24 = _ex24;
+
+// static numeric 25
+const numeric *_num25_p;
+const ex _ex25 = _ex25;
+
+// static numeric 30
+const numeric *_num30_p;
+const ex _ex30 = _ex30;
+
+// static numeric 48
+const numeric *_num48_p;
+const ex _ex48 = _ex48;
+
+// static numeric 60
+const numeric *_num60_p;
+const ex _ex60 = _ex60;
+
+// static numeric 120
+const numeric *_num120_p;
+const ex _ex120 = _ex120;
+
+/** Ctor of static initialization helpers. The fist call to this is going
+ * to initialize the library, the others do nothing. */
+library_init::library_init()
+{
+ if (count++==0) {
+ (_num_120_p = new numeric(-120))->setflag(status_flags::dynallocated);
+ (_num_60_p = new numeric(-60))->setflag(status_flags::dynallocated);
+ (_num_48_p = new numeric(-48))->setflag(status_flags::dynallocated);
+ (_num_30_p = new numeric(-30))->setflag(status_flags::dynallocated);
+ (_num_25_p = new numeric(-25))->setflag(status_flags::dynallocated);
+ (_num_24_p = new numeric(-24))->setflag(status_flags::dynallocated);
+ (_num_20_p = new numeric(-20))->setflag(status_flags::dynallocated);
+ (_num_18_p = new numeric(-18))->setflag(status_flags::dynallocated);
+ (_num_15_p = new numeric(-15))->setflag(status_flags::dynallocated);
+ (_num_12_p = new numeric(-12))->setflag(status_flags::dynallocated);
+ (_num_11_p = new numeric(-11))->setflag(status_flags::dynallocated);
+ (_num_10_p = new numeric(-10))->setflag(status_flags::dynallocated);
+ (_num_9_p = new numeric(-9))->setflag(status_flags::dynallocated);
+ (_num_8_p = new numeric(-8))->setflag(status_flags::dynallocated);
+ (_num_7_p = new numeric(-7))->setflag(status_flags::dynallocated);
+ (_num_6_p = new numeric(-6))->setflag(status_flags::dynallocated);
+ (_num_5_p = new numeric(-5))->setflag(status_flags::dynallocated);
+ (_num_4_p = new numeric(-4))->setflag(status_flags::dynallocated);
+ (_num_3_p = new numeric(-3))->setflag(status_flags::dynallocated);
+ (_num_2_p = new numeric(-2))->setflag(status_flags::dynallocated);
+ (_num_1_p = new numeric(-1))->setflag(status_flags::dynallocated);
+ (_num_1_2_p = new numeric(-1,2))->setflag(status_flags::dynallocated);
+ (_num_1_3_p = new numeric(-1,3))->setflag(status_flags::dynallocated);
+ (_num_1_4_p = new numeric(-1,4))->setflag(status_flags::dynallocated);
+ (_num0_p = new numeric(0))->setflag(status_flags::dynallocated);
+ _num0_bp = _num0_p; // Cf. class ex default ctor.
+ (_num1_4_p = new numeric(1,4))->setflag(status_flags::dynallocated);
+ (_num1_3_p = new numeric(1,3))->setflag(status_flags::dynallocated);
+ (_num1_2_p = new numeric(1,2))->setflag(status_flags::dynallocated);
+ (_num1_p = new numeric(1))->setflag(status_flags::dynallocated);
+ (_num2_p = new numeric(2))->setflag(status_flags::dynallocated);
+ (_num3_p = new numeric(3))->setflag(status_flags::dynallocated);
+ (_num4_p = new numeric(4))->setflag(status_flags::dynallocated);
+ (_num5_p = new numeric(5))->setflag(status_flags::dynallocated);
+ (_num6_p = new numeric(6))->setflag(status_flags::dynallocated);
+ (_num7_p = new numeric(7))->setflag(status_flags::dynallocated);
+ (_num8_p = new numeric(8))->setflag(status_flags::dynallocated);
+ (_num9_p = new numeric(9))->setflag(status_flags::dynallocated);
+ (_num10_p = new numeric(10))->setflag(status_flags::dynallocated);
+ (_num11_p = new numeric(11))->setflag(status_flags::dynallocated);
+ (_num12_p = new numeric(12))->setflag(status_flags::dynallocated);
+ (_num15_p = new numeric(15))->setflag(status_flags::dynallocated);
+ (_num18_p = new numeric(18))->setflag(status_flags::dynallocated);
+ (_num20_p = new numeric(20))->setflag(status_flags::dynallocated);
+ (_num24_p = new numeric(24))->setflag(status_flags::dynallocated);
+ (_num25_p = new numeric(25))->setflag(status_flags::dynallocated);
+ (_num30_p = new numeric(30))->setflag(status_flags::dynallocated);
+ (_num48_p = new numeric(48))->setflag(status_flags::dynallocated);
+ (_num60_p = new numeric(60))->setflag(status_flags::dynallocated);
+ (_num120_p = new numeric(120))->setflag(status_flags::dynallocated);
+
+ new((void*)&_ex_120) ex(*_num_120_p);
+ new((void*)&_ex_60) ex(*_num_60_p);
+ new((void*)&_ex_48) ex(*_num_48_p);
+ new((void*)&_ex_30) ex(*_num_30_p);
+ new((void*)&_ex_25) ex(*_num_25_p);
+ new((void*)&_ex_24) ex(*_num_24_p);
+ new((void*)&_ex_20) ex(*_num_20_p);
+ new((void*)&_ex_18) ex(*_num_18_p);
+ new((void*)&_ex_15) ex(*_num_15_p);
+ new((void*)&_ex_12) ex(*_num_12_p);
+ new((void*)&_ex_11) ex(*_num_11_p);
+ new((void*)&_ex_10) ex(*_num_10_p);
+ new((void*)&_ex_9) ex(*_num_9_p);
+ new((void*)&_ex_8) ex(*_num_8_p);
+ new((void*)&_ex_7) ex(*_num_7_p);
+ new((void*)&_ex_6) ex(*_num_6_p);
+ new((void*)&_ex_5) ex(*_num_5_p);
+ new((void*)&_ex_4) ex(*_num_4_p);
+ new((void*)&_ex_3) ex(*_num_3_p);
+ new((void*)&_ex_2) ex(*_num_2_p);
+ new((void*)&_ex_1) ex(*_num_1_p);
+ new((void*)&_ex_1_2) ex(*_num_1_2_p);
+ new((void*)&_ex_1_3) ex(*_num_1_3_p);
+ new((void*)&_ex_1_4) ex(*_num_1_4_p);
+ new((void*)&_ex0) ex(*_num0_p);
+ new((void*)&_ex1_4) ex(*_num1_4_p);
+ new((void*)&_ex1_3) ex(*_num1_3_p);
+ new((void*)&_ex1_2) ex(*_num1_2_p);
+ new((void*)&_ex1) ex(*_num1_p);
+ new((void*)&_ex2) ex(*_num2_p);
+ new((void*)&_ex3) ex(*_num3_p);
+ new((void*)&_ex4) ex(*_num4_p);
+ new((void*)&_ex5) ex(*_num5_p);
+ new((void*)&_ex6) ex(*_num6_p);
+ new((void*)&_ex7) ex(*_num7_p);
+ new((void*)&_ex8) ex(*_num8_p);
+ new((void*)&_ex9) ex(*_num9_p);
+ new((void*)&_ex10) ex(*_num10_p);
+ new((void*)&_ex11) ex(*_num11_p);
+ new((void*)&_ex12) ex(*_num12_p);
+ new((void*)&_ex15) ex(*_num15_p);
+ new((void*)&_ex18) ex(*_num18_p);
+ new((void*)&_ex20) ex(*_num20_p);
+ new((void*)&_ex24) ex(*_num24_p);
+ new((void*)&_ex25) ex(*_num25_p);
+ new((void*)&_ex30) ex(*_num30_p);
+ new((void*)&_ex48) ex(*_num48_p);
+ new((void*)&_ex60) ex(*_num60_p);
+ new((void*)&_ex120) ex(*_num120_p);
+
+ // Initialize print context class info (this is not strictly necessary
+ // but we do it anyway to make print_context_class_info::dump_hierarchy()
+ // output the whole hierarchy whether or not the classes are actually
+ // used)
+ print_context::get_class_info_static();
+ print_dflt::get_class_info_static();
+ print_latex::get_class_info_static();
+ print_python::get_class_info_static();
+ print_python_repr::get_class_info_static();
+ print_tree::get_class_info_static();
+ print_csrc::get_class_info_static();
+ print_csrc_float::get_class_info_static();
+ print_csrc_double::get_class_info_static();
+ print_csrc_cl_N::get_class_info_static();
+ }
+}
+
+
+/** Dtor of static initialization helpers. The last call to this is going
+ * to shut down the library, the others do nothing. */
+library_init::~library_init()
{
- if (a<b) {
- return -1;
- } else if (a>b) {
- return 1;
- }
- return 0;
+ if (--count==0) {
+ // It's really necessary to clean up, since the program
+ // lifetime might not be the same as libginac.{so,dll} one
+ // (e.g. consider // dlopen/dlsym/dlclose sequence).
+ // Let the ex dtors care for deleting the numerics!
+ _ex120.~ex();
+ _ex_120.~ex();
+ _ex60.~ex();
+ _ex_60.~ex();
+ _ex48.~ex();
+ _ex_48.~ex();
+ _ex30.~ex();
+ _ex_30.~ex();
+ _ex25.~ex();
+ _ex_25.~ex();
+ _ex24.~ex();
+ _ex_24.~ex();
+ _ex20.~ex();
+ _ex_20.~ex();
+ _ex18.~ex();
+ _ex_18.~ex();
+ _ex15.~ex();
+ _ex_15.~ex();
+ _ex12.~ex();
+ _ex_12.~ex();
+ _ex11.~ex();
+ _ex_11.~ex();
+ _ex10.~ex();
+ _ex_10.~ex();
+ _ex9.~ex();
+ _ex_9.~ex();
+ _ex8.~ex();
+ _ex_8.~ex();
+ _ex7.~ex();
+ _ex_7.~ex();
+ _ex6.~ex();
+ _ex_6.~ex();
+ _ex5.~ex();
+ _ex_5.~ex();
+ _ex4.~ex();
+ _ex_4.~ex();
+ _ex3.~ex();
+ _ex_3.~ex();
+ _ex2.~ex();
+ _ex_2.~ex();
+ _ex1.~ex();
+ _ex_1.~ex();
+ _ex1_2.~ex();
+ _ex_1_2.~ex();
+ _ex1_3.~ex();
+ _ex_1_3.~ex();
+ _ex1_4.~ex();
+ _ex_1_4.~ex();
+ _ex0.~ex();
+ }
}
+void library_init::init_unarchivers() { }
// comment skeleton for header files
// member functions
- // default constructor, destructor, copy constructor assignment operator and helpers
- // none
+ // default constructor, destructor, copy constructor and assignment operator
+ // none
- // other constructors
- // none
+ // other constructors
+ // 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 skeleton for implementation files
//////////
-// default constructor, destructor, copy constructor assignment operator and helpers
+// default constructor, destructor, copy constructor and assignment operator
//////////
// public
// none
//////////
-// functions overriding virtual functions from bases classes
+// functions overriding virtual functions from base classes
//////////
// public
// private
// none
-#ifndef NO_GINAC_NAMESPACE
+
} // namespace GiNaC
-#endif // ndef NO_GINAC_NAMESPACE
git://www.ginac.de / ginac.git / blobdiff