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#include <stdio.h>
#include <stdlib.h>
#include "ptr.h"
void i_1D_deallocate( int *p )
{
if ( p ) { free( p ), p = NULL; }
}
int *i_1D_allocate( t_uint64 p_sz )
{
int *p = NULL;
if ( ( p = (int*)malloc( p_sz*sizeof(int) ) ) )
{
t_uint64 i;
for ( i=0 ; i<p_sz ; i++ )
p[i] = 0;
}
return p;
}
t_boolean i_1D_realloc( int **p, t_uint64 *p_sz, t_uint64 new_sz )
{
t_boolean b = FALSE;
if ( *p && new_sz != 0 )
{
int *p_realloc = NULL;
if ( ( p_realloc = (int*)realloc( (*p), new_sz*sizeof(int) ) ) )
{
(*p) = p_realloc;
t_uint64 i;
for ( i=*p_sz ; i<new_sz ; i++ )
(*p)[i] = 0;
*p_sz = new_sz;
b = TRUE;
}
}
return b;
}
t_boolean i_1D_insert( int **p, t_uint64 *p_sz, t_uint64 offset, int v )
{
t_boolean b = FALSE;
if ( *p && 0 <= offset && offset < *p_sz+1 )
{
if ( i_1D_realloc( p, p_sz, *p_sz+1 ) == TRUE )
{
t_uint64 i;
for ( i=(*p_sz)-1 ; i>offset ; i-- )
(*p)[i] = (*p)[i-1];
(*p)[offset] = v;
b = TRUE;
}
}
return b;
}
int *i_1D_extract( int *p, t_uint64 p_sz, t_uint64 i0, t_uint64 i1, t_uint64 *q_sz )
{
int *q = NULL;
if ( p && p_sz >= i1-i0 )
{
*q_sz = i1-i0+1;
if ( ( q = i_1D_allocate(*q_sz) ) )
i_1D_replace_partial( q, p, i0, i1+1, i0, 0, 1, 1 );
}
return q;
}
t_boolean i_1D_split( int *p, t_uint64 *p_sz, int **p1, t_uint64 *p1_sz, int **p2, t_uint64 *p2_sz, t_uint64 offset )
{
t_boolean b = FALSE;
if ( p && 0 <= offset && offset < *p_sz )
{
if ( ((*p1) = i_1D_extract( p, *p_sz, 0, offset, p1_sz )) && ((*p2) = i_1D_extract( p, *p_sz, offset+1, *p_sz-1, p2_sz )) )
b = TRUE;
}
return b;
}
int *i_1D_copy( int *p, t_uint64 p_sz )
{
int *q = NULL;
if ( p && p_sz != 0 )
{
if ( ( q = i_1D_allocate(p_sz) ) )
i_1D_replace_partial( q, p, 0, p_sz, 0, 0, 1, 1);
}
return q;
}
t_boolean i_1D_remove( int **p, t_uint64 *p_sz, t_uint64 offset )
{
t_boolean b = FALSE;
if ( *p && 0 <= offset && offset < *p_sz )
{
t_uint64 q_sz = *p_sz; t_uint64 index = 0;
int *q = i_1D_copy( (*p), *p_sz );
if ( i_1D_realloc( p, p_sz, *p_sz-1 ) == TRUE )
{
t_uint64 i;
for ( i=0 ; i<q_sz ; i++ )
{
if ( i != offset )
(*p)[index] = q[i], index++;
}
i_1D_deallocate( q );
b = TRUE;
}
}
return b;
}
t_boolean i_1D_replace( int *p0, t_uint64 p0_sz, int *p1, t_uint64 p1_sz )
{
t_boolean b = FALSE;
if ( p0 && p1 && p0_sz >= p1_sz )
{
i_1D_replace_partial( p0, p1, 0, p1_sz, 0, 0, 1, 1);
b = TRUE;
}
return b;
}
t_boolean i_1D_init( int *p, t_uint64 p_sz, t_uint64 v )
{
t_boolean b = FALSE;
if ( *p && p_sz > 0 )
{
t_uint64 i = 0;
for ( i=0 ; i<p_sz ; i++ )
p[i] = v;
b = TRUE;
}
return b;
}
void i_1D_replace_partial( int *p0 , int *p1, t_int64 i_for_start, t_uint64 i_for_end, t_uint64 i_p0, t_int64 i_p1, short p0_sign, short p1_sign )
{
t_int64 i = 0;
for ( i=i_for_start ; i<i_for_end ; i++ )
p0[i+p0_sign*i_p0] = p1[i+p1_sign*i_p1];
}
int *i_1D_rshift( int *p, t_uint64 p_sz, t_uint64 shift )
{
int *q = NULL;
if ( p && p_sz>0 && shift>= 0 )
{
shift %= p_sz;
if ( shift != 0 )
{
int *r = NULL;
if ( ( r = i_1D_allocate(p_sz + shift) ) )
{
i_1D_replace_partial( r, p, 0, p_sz, shift, 0, 1, 1);
if ( ( q = i_1D_allocate( p_sz ) ) )
{
i_1D_replace_partial( q, r, p_sz, p_sz+shift, p_sz, 0, -1, 1);
i_1D_replace_partial( q, r, shift, p_sz, 0, 0, 1, 1);
}
i_1D_deallocate( r );
}
}
else
{
if ( !( q = i_1D_copy( p, p_sz ) ) );
}
}
return q;
}
int *i_1D_lshift( int *p, t_uint64 p_sz, t_uint64 shift )
{
int *q = NULL;
if ( p && p_sz>0 && shift>= 0 )
{
shift %= p_sz;
if ( !( q = i_1D_rshift(p, p_sz, p_sz-shift) ) );
}
return q;
}
t_boolean i_1D_rshift_self( int *p, t_uint64 p_sz, t_uint64 shift )
{
t_boolean b = FALSE;
int *q = NULL;
if ( ( q = i_1D_rshift( p, p_sz, shift ) ) )
{
i_1D_replace_partial( p, q, 0, p_sz, 0, 0, 1, 1 );
i_1D_deallocate( q );
b = TRUE;
}
return b;
}
t_boolean i_1D_lshift_self( int *p, t_uint64 p_sz, t_uint64 shift )
{
t_boolean b = FALSE;
int *q = NULL;
if ( ( q = i_1D_lshift( p, p_sz, shift ) ) )
{
i_1D_replace_partial( p, q, 0, p_sz, 0, 0, 1, 1 );
i_1D_deallocate( q );
b = TRUE;
}
return b;
} |
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