/*
--------------------------------------
sort and compress the pencil's entries
created -- 98may02, cca
--------------------------------------
*/
void
Pencil_sortAndCompress (
Pencil *pencil
) {
if ( pencil->inpmtxA != NULL ) {
InpMtx_sortAndCompress(pencil->inpmtxA) ;
}
if ( pencil->inpmtxB != NULL ) {
InpMtx_sortAndCompress(pencil->inpmtxB) ;
}
return ; }
/*
---------------------------------
prepare to add more entries,
sort/compress and possible resize
created -- 98apr25, cca
---------------------------------
*/
static void
prepareToAddNewEntries (
InpMtx *inpmtx,
int nnewent
) {
if ( inpmtx->nent + nnewent > inpmtx->maxnent ) {
/*
-----------------------------------
vectors are full, sort and compress
-----------------------------------
*/
InpMtx_sortAndCompress(inpmtx) ;
inpmtx->storageMode = INPMTX_SORTED ;
}
if ( inpmtx->nent + nnewent > inpmtx->maxnent ) {
/*
------------------------------
vectors are still full, resize
------------------------------
*/
int newmaxnent = inpmtx->maxnent * inpmtx->resizeMultiple ;
if ( newmaxnent < inpmtx->nent + nnewent ) {
newmaxnent = inpmtx->nent + nnewent ;
}
InpMtx_setMaxnent(inpmtx, newmaxnent) ;
}
return ; }
/*
----------------------------------------------------
convert from sorted and compressed triples to vector
created -- 98jan28, cca
----------------------------------------------------
*/
void
InpMtx_convertToVectors (
InpMtx *inpmtx
) {
int *ivec1, *ivec2, *offsets, *sizes, *vecids ;
int first, id, ient, jj, nent, nvector, value ;
/*
---------------
check the input
---------------
*/
if ( inpmtx == NULL ) {
fprintf(stderr, "\n fatal error in InpMtx_convertToVectors(%p)"
"\n bad input\n", inpmtx) ;
exit(-1) ;
}
if ( INPMTX_IS_BY_VECTORS(inpmtx) || (nent = inpmtx->nent) == 0 ) {
inpmtx->storageMode = INPMTX_BY_VECTORS ;
return ;
}
if ( INPMTX_IS_RAW_DATA(inpmtx) ) {
InpMtx_sortAndCompress(inpmtx) ;
}
ivec1 = InpMtx_ivec1(inpmtx) ;
ivec2 = InpMtx_ivec2(inpmtx) ;
/*
-----------------------------------
find the number of distinct vectors
-----------------------------------
*/
value = -1 ;
nvector = 0 ;
for ( ient = 0 ; ient < nent ; ient++ ) {
if ( ivec1[ient] >= 0 && value != ivec1[ient] ) {
value = ivec1[ient] ;
nvector++ ;
#if MYDEBUG > 0
fprintf(stdout, "\n ient %d, value %d, nvector %d",
ient, value, nvector) ;
fflush(stdout) ;
#endif
}
}
#if MYDEBUG > 0
fprintf(stdout, "\n %d vectors", nvector) ;
fflush(stdout) ;
#endif
/*
-----------------------------------------------------------------
adjust the sizes of the sizes[] and offsets[] arrays if necessary
-----------------------------------------------------------------
*/
InpMtx_setNvector(inpmtx, nvector) ;
if ( nvector <= 0 ) {
/*
-----------------------------
matrix has no entries, return
-----------------------------
*/
inpmtx->storageMode = INPMTX_RAW_DATA ;
InpMtx_setNent(inpmtx, 0) ;
return ;
}
vecids = InpMtx_vecids(inpmtx) ;
sizes = InpMtx_sizes(inpmtx) ;
offsets = InpMtx_offsets(inpmtx) ;
/*
------------------------------------------------------------
set the vector sizes and offsets
note: we skip all entries whose first coordinate is negative
------------------------------------------------------------
*/
for ( first = 0 ; first < nent ; first++ ) {
if ( ivec1[first] >= 0 ) {
break ;
}
}
id = 0 ;
if ( first < nent ) {
value = ivec1[first] ;
for ( jj = first + 1 ; jj < nent ; jj++ ) {
if ( ivec1[jj] != value ) {
vecids[id] = value ;
sizes[id] = jj - first ;
offsets[id] = first ;
#if MYDEBUG > 0
fprintf(stdout,
"\n vecids[%d] = %d, sizes[%d] = %d, offsets[%d] = %d",
id, vecids[id], id, sizes[id], id, offsets[id]) ;
fflush(stdout) ;
#endif
first = jj ;
value = ivec1[jj] ;
id++ ;
}
}
vecids[id] = value ;
sizes[id] = jj - first ;
offsets[id] = first ;
#if MYDEBUG > 0
fprintf(stdout,
"\n vecids[%d] = %d, sizes[%d] = %d, offsets[%d] = %d",
id, vecids[id], id, sizes[id], id, offsets[id]) ;
fflush(stdout) ;
#endif
}
inpmtx->storageMode = INPMTX_BY_VECTORS ;
#if MYDEBUG > 0
fprintf(stdout, "\n vecidsIV") ;
IV_writeForHumanEye(&inpmtx->vecidsIV, stdout) ;
fprintf(stdout, "\n sizesIV") ;
IV_writeForHumanEye(&inpmtx->sizesIV, stdout) ;
fprintf(stdout, "\n offsetsIV") ;
IV_writeForHumanEye(&inpmtx->offsetsIV, stdout) ;
fflush(stdout) ;
#endif
return ; }
