GiNaC  1.8.0
Classes | Namespaces | Macros | Functions
utils.h File Reference

Interface to several small and furry utilities needed within GiNaC but not of any interest to the user of the library. More...

#include "assertion.h"
#include <functional>
#include <cstdint>
#include <string>

Go to the source code of this file.

Classes

class  GiNaC::dunno
 Exception class thrown by functions to signal unimplemented functionality so the expression may just be .hold() More...
 
class  GiNaC::basic_partition_generator
 Base class for generating all bounded combinatorial partitions of an integer n with exactly m parts in non-decreasing order. More...
 
struct  GiNaC::basic_partition_generator::mpartition2
 
class  GiNaC::partition_with_zero_parts_generator
 Generate all bounded combinatorial partitions of an integer n with exactly m parts (including zero parts) in non-decreasing order. More...
 
class  GiNaC::partition_generator
 Generate all bounded combinatorial partitions of an integer n with exactly m parts (not including zero parts) in non-decreasing order. More...
 
class  GiNaC::composition_generator
 Generate all compositions of a partition of an integer n, starting with the compositions which has non-decreasing order. More...
 
struct  GiNaC::composition_generator::coolmulti
 
struct  GiNaC::composition_generator::coolmulti::element
 

Namespaces

 GiNaC
 

Macros

#define DEFAULT_CTOR(classname)   classname::classname() { setflag(status_flags::evaluated | status_flags::expanded); }
 
#define DEFAULT_COMPARE(classname)
 
#define DEFAULT_PRINT(classname, text)
 
#define DEFAULT_PRINT_LATEX(classname, text, latex)
 

Functions

unsigned GiNaC::log2 (unsigned n)
 Integer binary logarithm. More...
 
unsigned GiNaC::rotate_left (unsigned n)
 Rotate bits of unsigned value by one bit to the left. More...
 
template<class T >
int GiNaC::compare_pointers (const T *a, const T *b)
 Compare two pointers (just to establish some sort of canonical order). More...
 
unsigned GiNaC::golden_ratio_hash (uintptr_t n)
 Truncated multiplication with golden ratio, for computing hash values. More...
 
template<class It >
int GiNaC::permutation_sign (It first, It last)
 
template<class It , class Cmp , class Swap >
int GiNaC::permutation_sign (It first, It last, Cmp comp, Swap swapit)
 
template<class It , class Cmp , class Swap >
void GiNaC::shaker_sort (It first, It last, Cmp comp, Swap swapit)
 
template<class It , class Swap >
void GiNaC::cyclic_permutation (It first, It last, It new_first, Swap swapit)
 
const numeric GiNaC::multinomial_coefficient (const std::vector< unsigned > &p)
 Compute the multinomial coefficient n!/(p1!*p2!*...*pk!) where n = p1+p2+...+pk, i.e. More...
 

Detailed Description

Interface to several small and furry utilities needed within GiNaC but not of any interest to the user of the library.

Definition in file utils.h.

Macro Definition Documentation

◆ DEFAULT_CTOR

#define DEFAULT_CTOR (   classname)    classname::classname() { setflag(status_flags::evaluated | status_flags::expanded); }

Definition at line 606 of file utils.h.

◆ DEFAULT_COMPARE

#define DEFAULT_COMPARE (   classname)
Value:
int classname::compare_same_type(const basic & other) const \
{ \
/* by default, the objects are always identical */ \
return 0; \
}

Definition at line 609 of file utils.h.

◆ DEFAULT_PRINT

#define DEFAULT_PRINT (   classname,
  text 
)
Value:
void classname::do_print(const print_context & c, unsigned level) const \
{ \
c.s << text; \
}

Definition at line 616 of file utils.h.

◆ DEFAULT_PRINT_LATEX

#define DEFAULT_PRINT_LATEX (   classname,
  text,
  latex 
)
Value:
DEFAULT_PRINT(classname, text) \
void classname::do_print_latex(const print_latex & c, unsigned level) const \
{ \
c.s << latex; \
}

Definition at line 622 of file utils.h.

DEFAULT_PRINT
#define DEFAULT_PRINT(classname, text)
Definition: utils.h:616
GiNaC::latex
std::ostream & latex(std::ostream &os)
Definition: operators.cpp:450
c
size_t c
Definition: factor.cpp:770

This page is part of the GiNaC developer's reference. It was generated automatically by doxygen. For an introduction, see the tutorial.