static COMMAND_FUNC( mksubvector )
{
const char *obj_name;
Data_Obj *dp, *newdp;
dimension_t rows;
index_t yos;
long cols;
long xos;
obj_name=NAMEOF("name for subvector");
dp=pick_obj(PARENT_PROMPT);
cols=(long) how_many("number of elements");
rows=1;
xos=(index_t)how_many("offset");
yos=0;
if( dp==NULL ) return;
INSIST_POSITIVE_DIM(cols,"element","mksubvector")
INSIST_NONNEGATIVE(xos,"x offset","mksubvector")
newdp=mk_subimg(dp,(index_t)xos,yos,obj_name,rows,(dimension_t)cols);
if( newdp == NULL )
warn("couldn't create subvector");
}
static COMMAND_FUNC( mksubimg )
{
const char *obj_name;
Data_Obj *dp, *newdp;
long rows, cols;
long xos, yos;
obj_name=NAMEOF("name for subimage");
dp=pick_obj(PARENT_PROMPT);
cols=(long) how_many("number of columns");
rows=(long) how_many("number of rows");
xos=(long) how_many("x offset");
yos=(long) how_many("y offset");
if( dp==NULL ) return;
INSIST_POSITIVE_DIM(rows,"row","mksubimg")
INSIST_POSITIVE_DIM(cols,"column","mksubimg")
INSIST_NONNEGATIVE(xos,"x offset","mksubimg");
INSIST_NONNEGATIVE(yos,"y offset","mksubimg");
newdp=mk_subimg(dp,(index_t)xos,(index_t)yos,obj_name,(dimension_t)rows,(dimension_t)cols);
if( newdp == NULL )
warn("couldn't create subimage");
}
void inner(QSP_ARG_DECL Data_Obj *dpto,Data_Obj *dpfr1,Data_Obj *dpfr2)
{
//dimension_t _n; /* dot prod len */
dimension_t i,j;
Vec_Obj_Args oa1, *oap=&oa1;
//Dimension_Set sizes={{1,1,1,1,1}};
Dimension_Set *sizes;
index_t dst_indices[N_DIMENSIONS]={0,0,0,0,0};
index_t src1_indices[N_DIMENSIONS]={0,0,0,0,0};
index_t src2_indices[N_DIMENSIONS]={0,0,0,0,0};
Data_Obj *col_dp;
sizes=NEW_DIMSET;
for(i=0;i<N_DIMENSIONS;i++)
SET_DIMENSION(sizes,i,1);
#ifdef CAUTIOUS
clear_obj_args(oap);
#endif /* CAUTIOUS */
/* The types and precisions should be whatever is allowed by vdot,
* which is float, double, real and complex...
*/
if( ! is_good_for_inner(dpto,"inner") ) return;
if( ! is_good_for_inner(dpfr1,"inner") ) return;
if( ! is_good_for_inner(dpfr2,"inner") ) return;
/* we need to make sure that the types and precisions MATCH! */
if( ! prec_and_type_match(dpto,dpfr1,"inner") ) return;
if( ! prec_and_type_match(dpto,dpfr2,"inner") ) return;
if( OBJ_ROWS(dpto) != OBJ_ROWS(dpfr1) ){
sprintf(DEFAULT_ERROR_STRING,
"inner: dpto %s (%d) and first operand %s (%d) must have same # rows",
OBJ_NAME(dpto),OBJ_ROWS(dpto),OBJ_NAME(dpfr1),OBJ_ROWS(dpfr1));
NWARN(DEFAULT_ERROR_STRING);
return;
}
if( OBJ_COLS(dpto) != OBJ_COLS(dpfr2) ){
sprintf(DEFAULT_ERROR_STRING,
"inner: target %s (%d) and second operand %s (%d) must have same # columns",
OBJ_NAME(dpto),OBJ_COLS(dpto),OBJ_NAME(dpfr2),OBJ_COLS(dpfr2));
NWARN(DEFAULT_ERROR_STRING);
return;
}
if( OBJ_COLS(dpfr1) != OBJ_ROWS(dpfr2) ){
sprintf(DEFAULT_ERROR_STRING,
"inner: # cols of operand %s (%d) must match # rows of operand %s (%d)",
OBJ_NAME(dpfr1),OBJ_COLS(dpfr1),OBJ_NAME(dpfr2),OBJ_ROWS(dpfr2));
NWARN(DEFAULT_ERROR_STRING);
return;
}
//_n=OBJ_COLS(dpfr1); /* the length of each dot product we will compute */
if( IS_COMPLEX(dpto) ) SET_OA_ARGSTYPE(oap,COMPLEX_ARGS);
else SET_OA_ARGSTYPE(oap,REAL_ARGS);
/* vdot things it's inputs have the same shape, so if we are taking the inner
* product of a column vector with a row vector, we have to transpose one of
* the inputs...
*/
if( OBJ_ROWS(dpfr1) > 1 )
SET_OA_SRC1(oap,d_subscript(QSP_ARG dpfr1,0) ); /* subscript first row */
else
SET_OA_SRC1(oap,dpfr1); /* object is a row */
if( OBJ_COLS(dpto) > 1 )
col_dp=c_subscript(QSP_ARG dpfr2,0);
else
col_dp=dpfr2;
SET_OA_DEST(oap,mk_subimg(QSP_ARG dpto,0,0,"target pixel",1,1) );
//[sizes setDimensionAtIndex : 1 withValue : OBJ_ROWS(col_dp) ];
SET_DIMENSION(sizes,1,OBJ_ROWS(col_dp));
SET_DIMENSION(sizes,0,OBJ_COMPS(col_dp));
SET_OA_SRC2(oap,make_equivalence(QSP_ARG "_transposed_column",
col_dp,sizes,OBJ_PREC_PTR(col_dp)) );
for(i=0;i<OBJ_ROWS(dpto);i++){
src1_indices[2]=i;
SET_OBJ_DATA_PTR( OA_SRC1(oap), multiply_indexed_data(dpfr1,src1_indices) );
for(j=0;j<OBJ_COLS(dpto);j++){
dst_indices[2]=i; /* k_th component */
dst_indices[1]=j; /* k_th component */
SET_OBJ_DATA_PTR( OA_DEST(oap), multiply_indexed_data(dpto,dst_indices) );
src2_indices[1]=j;
SET_OBJ_DATA_PTR( OA_SRC2(oap), multiply_indexed_data(dpfr2,src2_indices) );
vdot(QSP_ARG oap);
}
}
delvec(QSP_ARG OA_SRC2(oap) ); /* "_transposed_column" */
if( OA_SRC1(oap) != dpfr1 )
delvec(QSP_ARG OA_SRC1(oap) );
if( col_dp != dpfr2 )
delvec(QSP_ARG col_dp);
delvec(QSP_ARG OA_DEST(oap) );
}
