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/*-----------------------------------------------------------------------
File : clb_fixdarrays.c
Author: Stephan Schulz
Contents
Functions for handling fixed size arrays.
Copyright 1998-2018 by the author.
This code is released under the GNU General Public Licence and
the GNU Lesser General Public License.
See the file COPYING in the main E directory for details..
Run "eprover -h" for contact information.
Created: Wed Jul 9 23:40:23 CEST 2003
-----------------------------------------------------------------------*/
#include "clb_fixdarrays.h"
/*---------------------------------------------------------------------*/
/* Global Variables */
/*---------------------------------------------------------------------*/
/*---------------------------------------------------------------------*/
/* Forward Declarations */
/*---------------------------------------------------------------------*/
/*---------------------------------------------------------------------*/
/* Internal Functions */
/*---------------------------------------------------------------------*/
/*---------------------------------------------------------------------*/
/* Exported Functions */
/*---------------------------------------------------------------------*/
/*-----------------------------------------------------------------------
//
// Function: FixedDArrayAlloc()
//
// Allocate an array of known size.
//
// Global Variables: -
//
// Side Effects : Memory operations.
//
/----------------------------------------------------------------------*/
FixedDArray_p FixedDArrayAlloc(long size)
{
FixedDArray_p handle = SizeMalloc(sizeof(FixedDArrayCell)+size*sizeof(long));
handle->size = size;
return handle;
}
/*-----------------------------------------------------------------------
//
// Function: FixedDArrayFree()
//
// Free an array. Handles NULL silently.
//
// Global Variables: -
//
// Side Effects : Memory operations.
//
/----------------------------------------------------------------------*/
void FixedDArrayFree(FixedDArray_p junk)
{
if(junk)
{
SizeFree(junk, sizeof(FixedDArrayCell)+(junk->size*sizeof(long)));
}
}
/*-----------------------------------------------------------------------
//
// Function: FixedDArrayInitialize()
//
// Set all values in the array to a given value.
//
// Global Variables: -
//
// Side Effects : -
//
/----------------------------------------------------------------------*/
void FixedDArrayInitialize(FixedDArray_p array, long value)
{
long i;
for(i=0; i<array->size; i++)
{
array->array[i] = value;
}
}
/*-----------------------------------------------------------------------
//
// Function: FixedDArrayAdd()
//
// Component-wise addition of both sources. Guaranteed to work if
// dest is a source (but not maximally efficient - who cares). Yes,
// it's worth mentioning it ;-)
//
// Global Variables: -
//
// Side Effects : -
//
/----------------------------------------------------------------------*/
void FixedDArrayAdd(FixedDArray_p dest, FixedDArray_p s1, FixedDArray_p s2)
{
long i;
assert(s1 && s2 && dest);
assert(s1->size == dest->size);
assert(s2->size == dest->size);
for(i=0; i<dest->size; i++)
{
dest->array[i] = s1->array[i]+s2->array[i];
}
}
/*-----------------------------------------------------------------------
//
// Function: FixedDArrayMulAdd()
//
// Component-wise addition of both weighted sources. Guaranteed to
// work if dest is a source (but not maximally efficient - who
// cares). Yes, it's worth mentioning it ;-)
//
// Global Variables: -
//
// Side Effects : -
//
/----------------------------------------------------------------------*/
void FixedDArrayMulAdd(FixedDArray_p dest, FixedDArray_p s1, long f1,
FixedDArray_p s2, long f2)
{
long i;
assert(s1 && s2 && dest);
assert(s1->size == dest->size);
assert(s2->size == dest->size);
for(i=0; i<dest->size; i++)
{
dest->array[i] = f1*s1->array[i]+f2*s2->array[i];
}
}
/*-----------------------------------------------------------------------
//
// Function: FixedDArrayMax()
//
// Compute componentwise max of vectors. See above.
//
// Global Variables: -
//
// Side Effects : -
//
/----------------------------------------------------------------------*/
void FixedDArrayMax(FixedDArray_p dest, FixedDArray_p s1, FixedDArray_p s2)
{
long i;
assert(s1 && s2 && dest);
assert(s1->size == dest->size);
assert(s2->size == dest->size);
for(i=0; i<dest->size; i++)
{
dest->array[i] = MAX(s1->array[i],s2->array[i]);
}
}
/*-----------------------------------------------------------------------
//
// Function: FixedDArrayMin()
//
// Compute componentwise min of vectors. See above.
//
// Global Variables: -
//
// Side Effects : -
//
/----------------------------------------------------------------------*/
void FixedDArrayMin(FixedDArray_p dest, FixedDArray_p s1, FixedDArray_p s2)
{
long i;
assert(s1 && s2 && dest);
assert(s1->size == dest->size);
assert(s2->size == dest->size);
for(i=0; i<dest->size; i++)
{
dest->array[i] = MIN(s1->array[i],s2->array[i]);
}
}
/*-----------------------------------------------------------------------
//
// Function: FixedDArrayPrint()
//
// Print an array (useful for debugging, I suspect).
//
// Global Variables: -
//
// Side Effects : Output
//
/----------------------------------------------------------------------*/
void FixedDArrayPrint(FILE* out, FixedDArray_p array)
{
long i;
fprintf(out, "# Size %ld:", array->size);
for(i=0; i<array->size; i++)
{
fprintf(out, " %4ld", array->array[i]);
}
fputc('\n', out);
}
/*-----------------------------------------------------------------------
//
// Function: FixedDArrayCopy()
//
// Copy an array, return pointer to new copy.
//
// Global Variables: -
//
// Side Effects : Memory operations
//
/----------------------------------------------------------------------*/
FixedDArray_p FixedDArrayCopy(FixedDArray_p array)
{
if(!array)
{
return NULL;
}
else
{
FixedDArray_p handle = FixedDArrayAlloc(array->size);
memcpy(handle, array,
sizeof(FixedDArrayCell)+(array->size*sizeof(long)));
return handle;
}
}
/*---------------------------------------------------------------------*/
/* End of File */
/*---------------------------------------------------------------------*/
|
