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kolibrios/programs/develop/libraries/qs/qs.c

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Quicksort dll and example. git-svn-id: svn://kolibrios.org@3402 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-22 21:53:23 +04:00
///===========================================
///
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
///
///
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD> algolist.manual.ru
///
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> aka Albom (albom85@yandex.ru)
///===========================================
///===========================================
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> int (4 <20><><EFBFBD><EFBFBD><EFBFBD>)
///===========================================
void qsi(int *a, int n)
{
int i, j;
int temp, p;
p = *(a+(n>>1));
i = 0;
j = n;
do
{
while ( *(a+i) < p ) i++;
while ( *(a+j) > p ) j--;
if (i <= j)
{
temp = *(a+i);
*(a+i) = *(a+j);
*(a+j) = temp;
i++;
j--;
}
} while ( i<=j );
if ( j > 0 )
qsi(a, j);
if ( n > i )
qsi(a+i, n-i);
}
///===========================================
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> short int (2 <20><><EFBFBD><EFBFBD><EFBFBD>)
///===========================================
void qss(short *a, int n)
{
int i, j;
short temp, p;
p = *(a+(n>>1));
i = 0;
j = n;
do
{
while ( *(a+i) < p ) i++;
while ( *(a+j) > p ) j--;
if (i <= j)
{
temp = *(a+i);
*(a+i) = *(a+j);
*(a+j) = temp;
i++;
j--;
}
} while ( i<=j );
if ( j > 0 )
qss(a, j);
if ( n > i )
qss(a+i, n-i);
}
///===========================================
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> char (1 <20><><EFBFBD><EFBFBD>)
///===========================================
void qsc(char *a, int n)
{
int i, j;
char temp, p;
p = *(a+(n>>1));
i = 0;
j = n;
do
{
while ( *(a+i) < p ) i++;
while ( *(a+j) > p ) j--;
if (i <= j)
{
temp = *(a+i);
*(a+i) = *(a+j);
*(a+j) = temp;
i++;
j--;
}
} while ( i<=j );
if ( j > 0 )
qsc(a, j);
if ( n > i )
qsc(a+i, n-i);
}
///===========================================
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> unsigned int (4 <20><><EFBFBD><EFBFBD><EFBFBD>)
///===========================================
void qsui(unsigned *a, int n)
{
int i, j;
unsigned temp, p;
p = *(a+(n>>1));
i = 0;
j = n;
do
{
while ( *(a+i) < p ) i++;
while ( *(a+j) > p ) j--;
if (i <= j)
{
temp = *(a+i);
*(a+i) = *(a+j);
*(a+j) = temp;
i++;
j--;
}
} while ( i<=j );
if ( j > 0 )
qsui(a, j);
if ( n > i )
qsui(a+i, n-i);
}
///===========================================
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> unsigned short int (2 <20><><EFBFBD><EFBFBD><EFBFBD>)
///===========================================
void qsus(unsigned short *a, int n)
{
int i, j;
unsigned short temp, p;
p = *(a+(n>>1));
i = 0;
j = n;
do
{
while ( *(a+i) < p ) i++;
while ( *(a+j) > p ) j--;
if (i <= j)
{
temp = *(a+i);
*(a+i) = *(a+j);
*(a+j) = temp;
i++;
j--;
}
} while ( i<=j );
if ( j > 0 )
qsus(a, j);
if ( n > i )
qsus(a+i, n-i);
}
///===========================================
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> unsigned char (1 <20><><EFBFBD><EFBFBD>)
///===========================================
void qsuc(unsigned char *a, int n)
{
int i, j;
unsigned char temp, p;
p = *(a+(n>>1));
i = 0;
j = n;
do
{
while ( *(a+i) < p ) i++;
while ( *(a+j) > p ) j--;
if (i <= j)
{
temp = *(a+i);
*(a+i) = *(a+j);
*(a+j) = temp;
i++;
j--;
}
} while ( i<=j );
if ( j > 0 )
qsuc(a, j);
if ( n > i )
qsuc(a+i, n-i);
}
///===========================================
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> float (4 <20><><EFBFBD><EFBFBD><EFBFBD>)
///===========================================
void qsf(float *a, int n)
{
int i, j;
float temp, p;
p = *(a+(n>>1));
i = 0;
j = n;
do
{
while ( *(a+i) < p ) i++;
while ( *(a+j) > p ) j--;
if (i <= j)
{
temp = *(a+i);
*(a+i) = *(a+j);
*(a+j) = temp;
i++;
j--;
}
} while ( i<=j );
if ( j > 0 )
qsf(a, j);
if ( n > i )
qsf(a+i, n-i);
}
///===========================================
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> double (8 <20><><EFBFBD><EFBFBD>)
///===========================================
void qsd(double *a, int n)
{
int i, j;
double temp, p;
p = *(a+(n>>1));
i = 0;
j = n;
do
{
while ( *(a+i) < p ) i++;
while ( *(a+j) > p ) j--;
if (i <= j)
{
temp = *(a+i);
*(a+i) = *(a+j);
*(a+j) = temp;
i++;
j--;
}
} while ( i<=j );
if ( j > 0 )
qsd(a, j);
if ( n > i )
qsd(a+i, n-i);
}
///===========================================
#define NULL ((void*)0)
typedef struct
{
void *name;
void *function;
} export_t;
char szQsi[] = "qsi";
char szQss[] = "qss";
char szQsc[] = "qsc";
char szQsui[] = "qsui";
char szQsus[] = "qsus";
char szQsuc[] = "qsuc";
char szQsf[] = "qsf";
char szQsd[] = "qsd";
export_t EXPORTS[] =
{
{ szQsi, (void*) qsi },
{ szQss, (void*) qss },
{ szQsc, (void*) qsc },
{ szQsui, (void*) qsui },
{ szQsus, (void*) qsus },
{ szQsuc, (void*) qsuc },
{ szQsf, (void*) qsf },
{ szQsd, (void*) qsd },
{ NULL, NULL },
};
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