File Coverage

lib/PDL/Image2D-pp-centroid2d.c

Criterion	Covered	Total	%
statement	71	469	15.1
branch	89	1764	5.0
condition			n/a
subroutine			n/a
pod			n/a
total	160	2233	7.1

#line 453 "lib/PDL/PP.pm"
/*
 * THIS FILE WAS GENERATED BY PDL::PP from lib/PDL/Image2D.pd! Do not modify!
 */

#define PDL_FREE_CODE(trans, destroy, comp_free_code, ntpriv_free_code) \
    if (destroy) { \
	comp_free_code \
    } \
    if ((trans)->dims_redone) { \
	ntpriv_free_code \
    }

#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "pdl.h"
#include "pdlcore.h"
#define PDL PDL_Image2D
extern Core* PDL; /* Structure hold core C functions */
#line 23 "lib/PDL/Image2D-pp-centroid2d.c"

/* Fast Modulus with proper negative behaviour */

#define REALMOD(a,b) {while ((a)>=(b)) (a) -= (b); while ((a)<0) (a) += (b);}

#define X(symbol, ctype, ppsym, ...) \
  ctype quick_select_ ## ppsym(ctype arr[], int n);
PDL_TYPELIST_REAL(X)
#undef X
#define EZ(x) ez ? 0 : (x)

#line 1857 "lib/PDL/PP.pm"
pdl_error pdl_centroid2d_readdata(pdl_trans *__privtrans) {
  pdl_error PDL_err = {0, NULL, 0};
#line 38 "lib/PDL/Image2D-pp-centroid2d.c"
  register PDL_Indx __m_size = __privtrans->ind_sizes[0];
  register PDL_Indx __n_size = __privtrans->ind_sizes[1];
  if (!__privtrans->broadcast.incs) return PDL->make_error(PDL_EUSERERROR, "Error in centroid2d:" "broadcast.incs NULL");
  /* broadcastloop declarations */
  int __brcloopval;
  register PDL_Indx __tind0,__tind1; /* counters along dim */
  register PDL_Indx __tnpdls = __privtrans->broadcast.npdls;
  /* dims here are how many steps along those dims */
  register PDL_Indx __tinc0_im = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,0,0);
  register PDL_Indx __tinc0_x = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,1,0);
  register PDL_Indx __tinc0_y = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,2,0);
  register PDL_Indx __tinc0_box = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,3,0);
  register PDL_Indx __tinc0_xcen = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,4,0);
  register PDL_Indx __tinc0_ycen = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,5,0);
  register PDL_Indx __tinc1_im = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,0,1);
  register PDL_Indx __tinc1_x = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,1,1);
  register PDL_Indx __tinc1_y = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,2,1);
  register PDL_Indx __tinc1_box = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,3,1);
  register PDL_Indx __tinc1_xcen = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,4,1);
  register PDL_Indx __tinc1_ycen = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,5,1);
  #define PDL_BROADCASTLOOP_START_centroid2d_readdata PDL_BROADCASTLOOP_START( \
    readdata, \
    __privtrans->broadcast, \
    __privtrans->vtable, \
    im_datap += __offsp[0]; \
    x_datap += __offsp[1]; \
    y_datap += __offsp[2]; \
    box_datap += __offsp[3]; \
    xcen_datap += __offsp[4]; \
    ycen_datap += __offsp[5]; \
    , \
    (  ,im_datap += __tinc1_im - __tinc0_im * __tdims0 \
    ,x_datap += __tinc1_x - __tinc0_x * __tdims0 \
    ,y_datap += __tinc1_y - __tinc0_y * __tdims0 \
    ,box_datap += __tinc1_box - __tinc0_box * __tdims0 \
    ,xcen_datap += __tinc1_xcen - __tinc0_xcen * __tdims0 \
    ,ycen_datap += __tinc1_ycen - __tinc0_ycen * __tdims0 \
    ), \
    (  ,im_datap += __tinc0_im \
    ,x_datap += __tinc0_x \
    ,y_datap += __tinc0_y \
    ,box_datap += __tinc0_box \
    ,xcen_datap += __tinc0_xcen \
    ,ycen_datap += __tinc0_ycen \
    ) \
  )
  #define PDL_BROADCASTLOOP_END_centroid2d_readdata PDL_BROADCASTLOOP_END( \
    __privtrans->broadcast, \
    im_datap -= __tinc1_im * __tdims1 + __offsp[0]; \
    x_datap -= __tinc1_x * __tdims1 + __offsp[1]; \
    y_datap -= __tinc1_y * __tdims1 + __offsp[2]; \
    box_datap -= __tinc1_box * __tdims1 + __offsp[3]; \
    xcen_datap -= __tinc1_xcen * __tdims1 + __offsp[4]; \
    ycen_datap -= __tinc1_ycen * __tdims1 + __offsp[5]; \
  )
  register PDL_Indx __inc_im_m = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,0,0)]; (void)__inc_im_m;register PDL_Indx __inc_im_n = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,0,1)]; (void)__inc_im_n;
  #ifndef PDL_DECLARE_PARAMS_centroid2d_1
  #define PDL_DECLARE_PARAMS_centroid2d_1(PDL_TYPE_OP,PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER_BADVAL(PDL_TYPE_OP, im, (__privtrans->pdls[0]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER_BADVAL(PDL_TYPE_OP, x, (__privtrans->pdls[1]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER_BADVAL(PDL_TYPE_OP, y, (__privtrans->pdls[2]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER_BADVAL(PDL_TYPE_OP, box, (__privtrans->pdls[3]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER_BADVAL(PDL_TYPE_OP, xcen, (__privtrans->pdls[4]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER_BADVAL(PDL_TYPE_OP, ycen, (__privtrans->pdls[5]), 1, PDL_PPSYM_OP)
  #endif
  if ( __privtrans->bvalflag ) { /* ** do 'bad' Code ** */
    #define PDL_BAD_CODE
    #define PDL_IF_BAD(t,f) t
    switch (__privtrans->__datatype) { /* Start generic switch */
      case PDL_SB: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_SByte,A)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,A,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_B: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_Byte,B)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,B,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_S: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_Short,S)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,S,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_US: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_Ushort,U)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,U,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_L: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_Long,L)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,L,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_UL: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_ULong,K)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,K,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_IND: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_Indx,N)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,N,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_ULL: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_ULongLong,P)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,P,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_LL: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_LongLong,Q)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,Q,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_F: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_Float,F)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,F,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_D: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_Double,D)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,D,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_LD: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_LDouble,E)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,E,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      default: return PDL->make_error(PDL_EUSERERROR, "PP INTERNAL ERROR in centroid2d: unhandled datatype(%d), only handles (ABSULKNPQFDE)! PLEASE MAKE A BUG REPORT\n", __privtrans->__datatype);
    }
    #undef PDL_BAD_CODE
    #undef PDL_IF_BAD
  } else { /* ** else do 'good' Code ** */
    #define PDL_IF_BAD(t,f) f
    switch (__privtrans->__datatype) { /* Start generic switch */
      case PDL_SB: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_SByte,A)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,A,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_B: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_Byte,B)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,B,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_S: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_Short,S)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,S,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_US: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_Ushort,U)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,U,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_L: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_Long,L)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,L,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_UL: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_ULong,K)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,K,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_IND: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_Indx,N)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,N,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_ULL: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_ULongLong,P)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,P,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_LL: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_LongLong,Q)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,Q,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_F: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_Float,F)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,F,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_D: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_Double,D)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,D,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      case PDL_LD: {
        PDL_DECLARE_PARAMS_centroid2d_1(PDL_LDouble,E)
        PDL_BROADCASTLOOP_START_centroid2d_readdata    {
            PDL_LDouble sum = 0, sumx = 0, sumy = 0;
            PDL_Indx i1 = (x_datap)[0] - (box_datap)[0]/2;
            PDL_Indx i2 = (x_datap)[0] + (box_datap)[0]/2 + 1;
            PDL_Indx j1 = (y_datap)[0] - (box_datap)[0]/2;
            PDL_Indx j2 = (y_datap)[0] + (box_datap)[0]/2 + 1;
            {/* Open n=j1:j2 */ PDL_EXPAND2(register PDL_Indx n=PDLMAX((j1),0), __n_stop=PDLMIN(j2, (__n_size))); for(; n<__n_stop; n+=1) {{/* Open m=i1:i2 */ PDL_EXPAND2(register PDL_Indx m=PDLMAX((i1),0), __m_stop=PDLMIN(i2, (__m_size))); for(; m<__m_stop; m+=1) {
                 PDL_LDouble data = (im_datap)[0+(__inc_im_m*(m))+(__inc_im_n*(n))];
                 PDL_IF_BAD(if ( PDL_ISBAD2(data,im_badval,E,im_badval_isnan) ) continue;,)
                 sum += data;
                 sumx += data*m;
                 sumy += data*n;
            }} /* Close n=j1:j2 */}} /* Close m=i1:i2 */
            /*
             * if sum == 0 then we will flag as bad -- although it could just mean that
             * there is negative values in the dataset.
             * - should use a better check than != 0.0  ...
             */
            PDL_IF_BAD(if ( sum == 0.0 ) {
               (xcen_datap)[0]=xcen_badval;
               (ycen_datap)[0]=ycen_badval;
            } else,) {
               (xcen_datap)[0] = sumx/sum;
               (ycen_datap)[0] = sumy/sum;
            }
            }PDL_BROADCASTLOOP_END_centroid2d_readdata
      } break;
      default: return PDL->make_error(PDL_EUSERERROR, "PP INTERNAL ERROR in centroid2d: unhandled datatype(%d), only handles (ABSULKNPQFDE)! PLEASE MAKE A BUG REPORT\n", __privtrans->__datatype);
    }
    #undef PDL_IF_BAD
  }
  return PDL_err;
}

static pdl_datatypes pdl_centroid2d_vtable_gentypes[] = { PDL_SB, PDL_B, PDL_S, PDL_US, PDL_L, PDL_UL, PDL_IND, PDL_ULL, PDL_LL, PDL_F, PDL_D, PDL_LD, -1 };
static PDL_Indx pdl_centroid2d_vtable_realdims[] = { 2, 0, 0, 0, 0, 0 };
static char *pdl_centroid2d_vtable_parnames[] = { "im","x","y","box","xcen","ycen" };
static short pdl_centroid2d_vtable_parflags[] = {
  0,
  0,
  0,
  0,
  PDL_PARAM_ISCREAT|PDL_PARAM_ISOUT|PDL_PARAM_ISWRITE,
  PDL_PARAM_ISCREAT|PDL_PARAM_ISOUT|PDL_PARAM_ISWRITE
};
static pdl_datatypes pdl_centroid2d_vtable_partypes[] = { -1, -1, -1, -1, -1, -1 };
static PDL_Indx pdl_centroid2d_vtable_realdims_starts[] = { 0, 2, 2, 2, 2, 2 };
static PDL_Indx pdl_centroid2d_vtable_realdims_ind_ids[] = { 0, 1 };
static char *pdl_centroid2d_vtable_indnames[] = { "m","n" };
pdl_transvtable pdl_centroid2d_vtable = {
  PDL_TRANS_DO_BROADCAST|PDL_TRANS_BADPROCESS, 0, pdl_centroid2d_vtable_gentypes, 4, 6, NULL /*CORE21*/,
  pdl_centroid2d_vtable_realdims, pdl_centroid2d_vtable_parnames,
  pdl_centroid2d_vtable_parflags, pdl_centroid2d_vtable_partypes,
  pdl_centroid2d_vtable_realdims_starts, pdl_centroid2d_vtable_realdims_ind_ids, 2,
  2, pdl_centroid2d_vtable_indnames,
  NULL, pdl_centroid2d_readdata, NULL,
  NULL,
  0,"PDL::Image2D::centroid2d"
};


pdl_error pdl_run_centroid2d(pdl  *im,pdl  *x,pdl  *y,pdl  *box,pdl  *xcen,pdl  *ycen) {
  pdl_error PDL_err = {0, NULL, 0};
  if (!PDL) return (pdl_error){PDL_EFATAL, "PDL core struct is NULL, can't continue",0};
  pdl_trans *__privtrans = PDL->create_trans(&pdl_centroid2d_vtable);
  if (!__privtrans) return PDL->make_error_simple(PDL_EFATAL, "Couldn't create trans");
  __privtrans->pdls[0] = im;
  __privtrans->pdls[1] = x;
  __privtrans->pdls[2] = y;
  __privtrans->pdls[3] = box;
  __privtrans->pdls[4] = xcen;
  __privtrans->pdls[5] = ycen;
  PDL_RETERROR(PDL_err, PDL->type_coerce(__privtrans));
  PDL_RETERROR(PDL_err, PDL->make_trans_mutual(__privtrans));
  return PDL_err;
}