netgen/libsrc/general/template.hpp

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2009-01-13 04:40:13 +05:00
#ifndef FILE_TEMPLATE
#define FILE_TEMPLATE
/**************************************************************************/
/* File: template.hh */
/* Author: Joachim Schoeberl */
/* Date: 01. Jun. 95 */
/**************************************************************************/
/*
templates, global types, defines and variables
*/
/// The following value may be adapted to the hardware !
#ifndef CLOCKS_PER_SEC
#define CLOCKS_PER_SEC 1000000
#endif
// #include <iostream>
/** output stream for testing.
testout is opened by main */
extern ostream * testout;
/** use instead of cout */
extern ostream * mycout;
/** error output stream */
extern ostream * myerr;
/** Error messages display.
Error messages are displayed by this function */
extern void MyError (const char * ch);
/** Rings the bell.
Produces nr beeps. */
extern void MyBeep (int nr = 1);
template <class T>
inline void Swap (T & a, T & b)
{
T temp = a;
a = b;
b = temp;
}
/*
template <class T>
inline void swap (T & a, T & b)
{
T temp = a;
a = b;
b = temp;
}
*/
/**
INDEX is a typedef for (at least) 4-byte integer
*/
typedef int INDEX;
/**
BOOL is a typedef for boolean variables
*/
// typedef int BOOL;
typedef int ELIND;
typedef int PIND;
class twoint
{
public: ///
int i1, i2; ///
twoint() {};
///
twoint(int ii1, int ii2) {i1 = ii1; i2 = ii2;}
friend int operator== (const twoint& t1, const twoint& t2);
///
void Swap() {int x = i1; i1 = i2; i2 = x;}
void Sort() {if (i1 > i2) {Swap();}}
};
inline int operator== (const twoint& t1, const twoint& t2)
{
return t1.i1 == t2.i1 && t1.i2 == t2.i2;
}
class threeint
{
public: ///
int i1, i2, i3; ///
threeint() {};
///
threeint(int ii1, int ii2, int ii3) {i1 = ii1; i2 = ii2; i3 = ii3;}
};
///
class twodouble
{
public:
///
double d1, d2;
///
twodouble() {d1 = 0; d2 = 0;};
///
twodouble(double id1, double id2) {d1 = id1; d2 = id2;}
///
void Swap() {double x = d1; d1 = d2; d2 = x;}
};
class fourint { public: int i1, i2, i3, i4; fourint() {}; };
///
class INDEX_2;
ostream & operator<<(ostream & s, const INDEX_2 & i2);
class INDEX_2
{
///
INDEX i[2];
public:
///
INDEX_2 () { }
///
INDEX_2 (INDEX ai1, INDEX ai2)
{ i[0] = ai1; i[1] = ai2; }
///
INDEX_2 (const INDEX_2 & in2)
{ i[0] = in2.i[0]; i[1] = in2.i[1]; }
///
int operator== (const INDEX_2 & in2) const
{ return i[0] == in2.i[0] && i[1] == in2.i[1]; }
///
INDEX_2 Sort ()
{
if (i[0] > i[1])
{
INDEX hi = i[0];
i[0] = i[1];
i[1] = hi;
}
return *this;
}
static INDEX_2 Sort (int i1, int i2)
{
if (i1 > i2)
return INDEX_2 (i2,i1);
else
return INDEX_2 (i1,i2);
}
///
INDEX & I1 () { return i[0]; }
///
INDEX & I2 () { return i[1]; }
///
INDEX & I (int j) { return i[j-1]; }
///
const INDEX & I1 () const { return i[0]; }
///
const INDEX & I2 () const { return i[1]; }
///
const INDEX & I (int j) const { return i[j-1]; }
///
int & operator[] (int j) { return i[j]; }
///
const int & operator[] (int j) const { return i[j]; }
///
friend ostream & operator<<(ostream & s, const INDEX_2 & i2);
};
///
class INDEX_3
{
///
INDEX i[3];
public:
///
INDEX_3 () { }
///
INDEX_3 (INDEX ai1, INDEX ai2, INDEX ai3)
{ i[0] = ai1; i[1] = ai2; i[2] = ai3; }
///
INDEX_3 (const INDEX_3 & in2)
{ i[0] = in2.i[0]; i[1] = in2.i[1]; i[2] = in2.i[2]; }
static INDEX_3 Sort (INDEX_3 i3)
{
return i3.Sort();
}
static INDEX_3 Sort (int i1, int i2, int i3)
{
if (i1 > i2) Swap (i1, i2);
if (i2 > i3) Swap (i2, i3);
if (i1 > i2) Swap (i1, i2);
return INDEX_3 (i1, i2, i3);
}
INDEX_3 Sort ()
{
if (i[0] > i[1]) Swap (i[0], i[1]);
if (i[1] > i[2]) Swap (i[1], i[2]);
if (i[0] > i[1]) Swap (i[0], i[1]);
return *this;
}
int operator== (const INDEX_3 & in2) const
{ return i[0] == in2.i[0] && i[1] == in2.i[1] && i[2] == in2.i[2];}
///
INDEX & I1 () { return i[0]; }
///
INDEX & I2 () { return i[1]; }
///
INDEX & I3 () { return i[2]; }
///
INDEX & I (int j) { return i[j-1]; }
///
const INDEX & I1 () const { return i[0]; }
///
const INDEX & I2 () const { return i[1]; }
///
const INDEX & I3 () const { return i[2]; }
///
const INDEX & I (int j) const { return i[j-1]; }
///
int & operator[] (int j) { return i[j]; }
///
const int & operator[] (int j) const { return i[j]; }
///
friend ostream & operator<<(ostream & s, const INDEX_3 & i3);
};
///
class INDEX_4
{
///
INDEX i[4];
public:
///
INDEX_4 () { }
///
INDEX_4 (INDEX ai1, INDEX ai2, INDEX ai3, INDEX ai4)
{ i[0] = ai1; i[1] = ai2; i[2] = ai3; i[3] = ai4; }
///
INDEX_4 (const INDEX_4 & in2)
{ i[0] = in2.i[0]; i[1] = in2.i[1]; i[2] = in2.i[2]; i[3] = in2.i[3]; }
///
void Sort ();
///
int operator== (const INDEX_4 & in2) const
{ return
i[0] == in2.i[0] && i[1] == in2.i[1] &&
i[2] == in2.i[2] && i[3] == in2.i[3]; }
///
INDEX & I1 () { return i[0]; }
///
INDEX & I2 () { return i[1]; }
///
INDEX & I3 () { return i[2]; }
///
INDEX & I4 () { return i[3]; }
///
INDEX & I (int j) { return i[j-1]; }
///
const INDEX & I1 () const { return i[0]; }
///
const INDEX & I2 () const { return i[1]; }
///
const INDEX & I3 () const { return i[2]; }
///
const INDEX & I4 () const { return i[3]; }
///
const INDEX & I (int j) const { return i[j-1]; }
///
int & operator[] (int j) { return i[j]; }
///
const int & operator[] (int j) const { return i[j]; }
///
friend ostream & operator<<(ostream & s, const INDEX_4 & i4);
};
/// The sort preserves quads !!!
class INDEX_4Q
{
///
INDEX i[4];
public:
///
INDEX_4Q () { }
///
INDEX_4Q (INDEX ai1, INDEX ai2, INDEX ai3, INDEX ai4)
{ i[0] = ai1; i[1] = ai2; i[2] = ai3; i[3] = ai4; }
///
INDEX_4Q (const INDEX_4Q & in2)
{ i[0] = in2.i[0]; i[1] = in2.i[1]; i[2] = in2.i[2]; i[3] = in2.i[3]; }
///
void Sort ();
///
int operator== (const INDEX_4Q & in2) const
{ return
i[0] == in2.i[0] && i[1] == in2.i[1] &&
i[2] == in2.i[2] && i[3] == in2.i[3]; }
///
INDEX & I1 () { return i[0]; }
///
INDEX & I2 () { return i[1]; }
///
INDEX & I3 () { return i[2]; }
///
INDEX & I4 () { return i[3]; }
///
INDEX & I (int j) { return i[j-1]; }
///
const INDEX & I1 () const { return i[0]; }
///
const INDEX & I2 () const { return i[1]; }
///
const INDEX & I3 () const { return i[2]; }
///
const INDEX & I4 () const { return i[3]; }
///
const INDEX & I (int j) const { return i[j-1]; }
///
friend ostream & operator<<(ostream & s, const INDEX_4Q & i4);
};
///
template <class T>
inline T min2 (T a, T b)
{
///
return (a < b) ? a : b;
}
///
template <class T>
inline T max2 (T a, T b)
{
///
return (a > b) ? a : b;
}
///
template <class T>
inline T min3 (T a, T b, T c)
{
///
return (a < b) ? (a < c) ? a : c
: (b < c) ? b : c;
}
///
template <class T>
inline T max3 (T a, T b, T c)
{
///
return (a > b) ? ((a > c) ? a : c)
: ((b > c) ? b : c);
}
///
///
template <class T>
inline int sgn (T a)
{
return (a > 0) ? 1 : ( ( a < 0) ? -1 : 0 );
}
///
template <class T>
inline T sqr (const T a)
{
return a * a;
}
///
template <class T>
inline T pow3 (const T a)
{
return a * a * a;
}
/*
template <class T>
void BubbleSort (int size, T * data);
template <class T>
void MergeSort (int size, T * data, T * help);
*/
#endif