/** @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) 1999-2003 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
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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(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
+
+
+//////////
+// 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 numeric &_num_120 = *_num_120_p;
+const ex _ex_120 = _num_120;
+
+// static numeric -60
+const numeric *_num_60_p;
+const numeric &_num_60 = *_num_60_p;
+const ex _ex_60 = _num_60;
+
+// static numeric -48
+const numeric *_num_48_p;
+const numeric &_num_48 = *_num_48_p;
+const ex _ex_48 = _num_48;
+
+// static numeric -30
+const numeric *_num_30_p;
+const numeric &_num_30 = *_num_30_p;
+const ex _ex_30 = _num_30;
+
+// static numeric -25
+const numeric *_num_25_p;
+const numeric &_num_25 = *_num_25_p;
+const ex _ex_25 = _num_25;
+
+// static numeric -24
+const numeric *_num_24_p;
+const numeric &_num_24 = *_num_24_p;
+const ex _ex_24 = _num_24;
+
+// static numeric -20
+const numeric *_num_20_p;
+const numeric &_num_20 = *_num_20_p;
+const ex _ex_20 = _num_20;
+
+// static numeric -18
+const numeric *_num_18_p;
+const numeric &_num_18 = *_num_18_p;
+const ex _ex_18 = _num_18;
+
+// static numeric -15
+const numeric *_num_15_p;
+const numeric &_num_15 = *_num_15_p;
+const ex _ex_15 = _num_15;
+
+// static numeric -12
+const numeric *_num_12_p;
+const numeric &_num_12 = *_num_12_p;
+const ex _ex_12 = _num_12;
+
+// static numeric -11
+const numeric *_num_11_p;
+const numeric &_num_11 = *_num_11_p;
+const ex _ex_11 = _num_11;
+
+// static numeric -10
+const numeric *_num_10_p;
+const numeric &_num_10 = *_num_10_p;
+const ex _ex_10 = _num_10;
+
+// static numeric -9
+const numeric *_num_9_p;
+const numeric &_num_9 = *_num_9_p;
+const ex _ex_9 = _num_9;
+
+// static numeric -8
+const numeric *_num_8_p;
+const numeric &_num_8 = *_num_8_p;
+const ex _ex_8 = _num_8;
+
+// static numeric -7
+const numeric *_num_7_p;
+const numeric &_num_7 = *_num_7_p;
+const ex _ex_7 = _num_7;
+
+// static numeric -6
+const numeric *_num_6_p;
+const numeric &_num_6 = *_num_6_p;
+const ex _ex_6 = _num_6;
+
+// static numeric -5
+const numeric *_num_5_p;
+const numeric &_num_5 = *_num_5_p;
+const ex _ex_5 = _num_5;
+
+// static numeric -4
+const numeric *_num_4_p;
+const numeric &_num_4 = *_num_4_p;
+const ex _ex_4 = _num_4;
+
+// static numeric -3
+const numeric *_num_3_p;
+const numeric &_num_3 = *_num_3_p;
+const ex _ex_3 = _num_3;
+
+// static numeric -2
+const numeric *_num_2_p;
+const numeric &_num_2 = *_num_2_p;
+const ex _ex_2 = _num_2;
+
+// static numeric -1
+const numeric *_num_1_p;
+const numeric &_num_1 = *_num_1_p;
+const ex _ex_1 = _num_1;
-/** 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)
+// static numeric -1/2
+const numeric *_num_1_2_p;
+const numeric &_num_1_2= *_num_1_2_p;
+const ex _ex_1_2= _num_1_2;
+
+// static numeric -1/3
+const numeric *_num_1_3_p;
+const numeric &_num_1_3= *_num_1_3_p;
+const ex _ex_1_3= _num_1_3;
+
+// static numeric -1/4
+const numeric *_num_1_4_p;
+const numeric &_num_1_4= *_num_1_4_p;
+const ex _ex_1_4= _num_1_4;
+
+// static numeric 0
+const numeric *_num0_p;
+const numeric &_num0 = *_num0_p;
+const ex _ex0 = _num0;
+
+// static numeric 1/4
+const numeric *_num1_4_p;
+const numeric &_num1_4 = *_num1_4_p;
+const ex _ex1_4 = _num1_4;
+
+// static numeric 1/3
+const numeric *_num1_3_p;
+const numeric &_num1_3 = *_num1_3_p;
+const ex _ex1_3 = _num1_3;
+
+// static numeric 1/2
+const numeric *_num1_2_p;
+const numeric &_num1_2 = *_num1_2_p;
+const ex _ex1_2 = _num1_2;
+
+// static numeric 1
+const numeric *_num1_p;
+const numeric &_num1 = *_num1_p;
+const ex _ex1 = _num1;
+
+// static numeric 2
+const numeric *_num2_p;
+const numeric &_num2 = *_num2_p;
+const ex _ex2 = _num2;
+
+// static numeric 3
+const numeric *_num3_p;
+const numeric &_num3 = *_num3_p;
+const ex _ex3 = _num3;
+
+// static numeric 4
+const numeric *_num4_p;
+const numeric &_num4 = *_num4_p;
+const ex _ex4 = _num4;
+
+// static numeric 5
+const numeric *_num5_p;
+const numeric &_num5 = *_num5_p;
+const ex _ex5 = _num5;
+
+// static numeric 6
+const numeric *_num6_p;
+const numeric &_num6 = *_num6_p;
+const ex _ex6 = _num6;
+
+// static numeric 7
+const numeric *_num7_p;
+const numeric &_num7 = *_num7_p;
+const ex _ex7 = _num7;
+
+// static numeric 8
+const numeric *_num8_p;
+const numeric &_num8 = *_num8_p;
+const ex _ex8 = _num8;
+
+// static numeric 9
+const numeric *_num9_p;
+const numeric &_num9 = *_num9_p;
+const ex _ex9 = _num9;
+
+// static numeric 10
+const numeric *_num10_p;
+const numeric &_num10 = *_num10_p;
+const ex _ex10 = _num10;
+
+// static numeric 11
+const numeric *_num11_p;
+const numeric &_num11 = *_num11_p;
+const ex _ex11 = _num11;
+
+// static numeric 12
+const numeric *_num12_p;
+const numeric &_num12 = *_num12_p;
+const ex _ex12 = _num12;
+
+// static numeric 15
+const numeric *_num15_p;
+const numeric &_num15 = *_num15_p;
+const ex _ex15 = _num15;
+
+// static numeric 18
+const numeric *_num18_p;
+const numeric &_num18 = *_num18_p;
+const ex _ex18 = _num18;
+
+// static numeric 20
+const numeric *_num20_p;
+const numeric &_num20 = *_num20_p;
+const ex _ex20 = _num20;
+
+// static numeric 24
+const numeric *_num24_p;
+const numeric &_num24 = *_num24_p;
+const ex _ex24 = _num24;
+
+// static numeric 25
+const numeric *_num25_p;
+const numeric &_num25 = *_num25_p;
+const ex _ex25 = _num25;
+
+// static numeric 30
+const numeric *_num30_p;
+const numeric &_num30 = *_num30_p;
+const ex _ex30 = _num30;
+
+// static numeric 48
+const numeric *_num48_p;
+const numeric &_num48 = *_num48_p;
+const ex _ex48 = _num48;
+
+// static numeric 60
+const numeric *_num60_p;
+const numeric &_num60 = *_num60_p;
+const ex _ex60 = _num60;
+
+// static numeric 120
+const numeric *_num120_p;
+const numeric &_num120 = *_num120_p;
+const ex _ex120 = _num120;
+
+/** 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 (a<b) {
- return -1;
- } else if (a>b) {
- return 1;
- }
- return 0;
+ if (count++==0) {
+ _num_120_p= reinterpret_cast<const numeric*>(&((new numeric(-120))->setflag(status_flags::dynallocated)));
+ _num_60_p = reinterpret_cast<const numeric*>(&((new numeric(-60))->setflag(status_flags::dynallocated)));
+ _num_48_p = reinterpret_cast<const numeric*>(&((new numeric(-48))->setflag(status_flags::dynallocated)));
+ _num_30_p = reinterpret_cast<const numeric*>(&((new numeric(-30))->setflag(status_flags::dynallocated)));
+ _num_25_p = reinterpret_cast<const numeric*>(&((new numeric(-25))->setflag(status_flags::dynallocated)));
+ _num_24_p = reinterpret_cast<const numeric*>(&((new numeric(-24))->setflag(status_flags::dynallocated)));
+ _num_20_p = reinterpret_cast<const numeric*>(&((new numeric(-20))->setflag(status_flags::dynallocated)));
+ _num_18_p = reinterpret_cast<const numeric*>(&((new numeric(-18))->setflag(status_flags::dynallocated)));
+ _num_15_p = reinterpret_cast<const numeric*>(&((new numeric(-15))->setflag(status_flags::dynallocated)));
+ _num_12_p = reinterpret_cast<const numeric*>(&((new numeric(-12))->setflag(status_flags::dynallocated)));
+ _num_11_p = reinterpret_cast<const numeric*>(&((new numeric(-11))->setflag(status_flags::dynallocated)));
+ _num_10_p = reinterpret_cast<const numeric*>(&((new numeric(-10))->setflag(status_flags::dynallocated)));
+ _num_9_p = reinterpret_cast<const numeric*>(&((new numeric(-9))->setflag(status_flags::dynallocated)));
+ _num_8_p = reinterpret_cast<const numeric*>(&((new numeric(-8))->setflag(status_flags::dynallocated)));
+ _num_7_p = reinterpret_cast<const numeric*>(&((new numeric(-7))->setflag(status_flags::dynallocated)));
+ _num_6_p = reinterpret_cast<const numeric*>(&((new numeric(-6))->setflag(status_flags::dynallocated)));
+ _num_5_p = reinterpret_cast<const numeric*>(&((new numeric(-5))->setflag(status_flags::dynallocated)));
+ _num_4_p = reinterpret_cast<const numeric*>(&((new numeric(-4))->setflag(status_flags::dynallocated)));
+ _num_3_p = reinterpret_cast<const numeric*>(&((new numeric(-3))->setflag(status_flags::dynallocated)));
+ _num_2_p = reinterpret_cast<const numeric*>(&((new numeric(-2))->setflag(status_flags::dynallocated)));
+ _num_1_p = reinterpret_cast<const numeric*>(&((new numeric(-1))->setflag(status_flags::dynallocated)));
+ _num_1_2_p= reinterpret_cast<const numeric*>(&((new numeric(-1,2))->setflag(status_flags::dynallocated)));
+ _num_1_3_p= reinterpret_cast<const numeric*>(&((new numeric(-1,3))->setflag(status_flags::dynallocated)));
+ _num_1_4_p= reinterpret_cast<const numeric*>(&((new numeric(-1,4))->setflag(status_flags::dynallocated)));
+ _num0_p = reinterpret_cast<const numeric*>(&((new numeric(0))->setflag(status_flags::dynallocated)));
+ _num1_4_p = reinterpret_cast<const numeric*>(&((new numeric(1,4))->setflag(status_flags::dynallocated)));
+ _num1_3_p = reinterpret_cast<const numeric*>(&((new numeric(1,3))->setflag(status_flags::dynallocated)));
+ _num1_2_p = reinterpret_cast<const numeric*>(&((new numeric(1,2))->setflag(status_flags::dynallocated)));
+ _num1_p = reinterpret_cast<const numeric*>(&((new numeric(1))->setflag(status_flags::dynallocated)));
+ _num2_p = reinterpret_cast<const numeric*>(&((new numeric(2))->setflag(status_flags::dynallocated)));
+ _num3_p = reinterpret_cast<const numeric*>(&((new numeric(3))->setflag(status_flags::dynallocated)));
+ _num4_p = reinterpret_cast<const numeric*>(&((new numeric(4))->setflag(status_flags::dynallocated)));
+ _num5_p = reinterpret_cast<const numeric*>(&((new numeric(5))->setflag(status_flags::dynallocated)));
+ _num6_p = reinterpret_cast<const numeric*>(&((new numeric(6))->setflag(status_flags::dynallocated)));
+ _num7_p = reinterpret_cast<const numeric*>(&((new numeric(7))->setflag(status_flags::dynallocated)));
+ _num8_p = reinterpret_cast<const numeric*>(&((new numeric(8))->setflag(status_flags::dynallocated)));
+ _num9_p = reinterpret_cast<const numeric*>(&((new numeric(9))->setflag(status_flags::dynallocated)));
+ _num10_p = reinterpret_cast<const numeric*>(&((new numeric(10))->setflag(status_flags::dynallocated)));
+ _num11_p = reinterpret_cast<const numeric*>(&((new numeric(11))->setflag(status_flags::dynallocated)));
+ _num12_p = reinterpret_cast<const numeric*>(&((new numeric(12))->setflag(status_flags::dynallocated)));
+ _num15_p = reinterpret_cast<const numeric*>(&((new numeric(15))->setflag(status_flags::dynallocated)));
+ _num18_p = reinterpret_cast<const numeric*>(&((new numeric(18))->setflag(status_flags::dynallocated)));
+ _num20_p = reinterpret_cast<const numeric*>(&((new numeric(20))->setflag(status_flags::dynallocated)));
+ _num24_p = reinterpret_cast<const numeric*>(&((new numeric(24))->setflag(status_flags::dynallocated)));
+ _num25_p = reinterpret_cast<const numeric*>(&((new numeric(25))->setflag(status_flags::dynallocated)));
+ _num30_p = reinterpret_cast<const numeric*>(&((new numeric(30))->setflag(status_flags::dynallocated)));
+ _num48_p = reinterpret_cast<const numeric*>(&((new numeric(48))->setflag(status_flags::dynallocated)));
+ _num60_p = reinterpret_cast<const numeric*>(&((new numeric(60))->setflag(status_flags::dynallocated)));
+ _num120_p = reinterpret_cast<const numeric*>(&((new numeric(120))->setflag(status_flags::dynallocated)));
+ }
}
+/** 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 (--count==0) {
+ // In theory, we would have to clean up here. But since we were
+ // only initializing memory in the ctor and that memory is reclaimed
+ // anyways by the OS when the program exits, we skip this.
+ }
+}
+
// 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 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
// private
// none
-#ifndef NO_GINAC_NAMESPACE
+
} // namespace GiNaC
-#endif // ndef NO_GINAC_NAMESPACE
git://www.ginac.de / ginac.git / blobdiff