File Coverage

pp-hmmexpectq.c

Criterion	Covered	Total	%
statement	0	162	0.0
branch	0	346	0.0
condition			n/a
subroutine			n/a
pod			n/a
total	0	508	0.0

#line 453 "lib/PDL/PP.pm"
/*
 * THIS FILE WAS GENERATED BY PDL::PP from HMM.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_HMM
extern Core* PDL; /* Structure hold core C functions */
#line 23 "pp-hmmexpectq.c"

#include

/*#define DEBUG_ALPHA*/
/*#define DEBUG_BETA*/
/*#define DEBUG_VITERBI*/


/* logadd(x,y) = log(exp(x)+exp(y))
 *   + Code from Manning & Schütze (1997), Sec. 9.4, page 337
 *
 * LOG_BIG = log(1E31)
 */
#define LOG_BIG    71.3801378828154
#define LOG_ZERO  -1E+38
#define LOG_ONE    0
#define LOG_NONE   1
static inline double logadd1(double x, double y) {
  if      (y-x > LOG_BIG) return y;
  else if (x-y > LOG_BIG) return x;
  /*else        return min(x,y) + log(exp(x-min(x,y)) + exp(y-min(x,y))); */
  else if (x
  else          return y        + log(exp(x-y)        + 1);
}
static inline double logadd0(double x, double y) {
  return log(exp(x)+exp(y));
}

/* logdiff(x,y) = log(exp(x)-exp(y))
 *   + adapted from above
 *   + always returns positive (i.e. symmetric difference)
 */
static inline double logdiff1(double x, double y) {
  if      (y-x > LOG_BIG) { return y; }
  else if (x-y > LOG_BIG) { return x; }
  /*else        { return max(x,y) + log(exp(max(x,y)-max(x,y)) - exp(min(x,y)-max(x,y))); } */
  /*                   = max(x,y) + log( 1 - exp(min(x,y)-max(x,y))); } */
  else if (x>y) { return x        + log( 1 - exp(y-x)); }
  else          { return y        + log( 1 - exp(x-y)); }
}
static inline double logdiff0(double x, double y) {
  return log(x>y ? (exp(x)-exp(y)) : (exp(y)-exp(x)));
}

/*
#define logadd(x,y) logadd0(x,y)
#define logdiff(x,y) logdiff0(x,y)
*/

#define logadd(x,y) logadd1(x,y)
#define logdiff(x,y) logdiff1(x,y)


#line 1857 "lib/PDL/PP.pm"
pdl_error pdl_hmmexpectq_readdata(pdl_trans *__privtrans) {
  pdl_error PDL_err = {0, NULL, 0};
#line 80 "pp-hmmexpectq.c"
  if (!__privtrans->broadcast.incs) return PDL->make_error(PDL_EUSERERROR, "Error in hmmexpectq:" "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_a = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,0,0);
  register PDL_Indx __tinc0_b = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,1,0);
  register PDL_Indx __tinc0_pi = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,2,0);
  register PDL_Indx __tinc0_omega = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,3,0);
  register PDL_Indx __tinc0_o = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,4,0);
  register PDL_Indx __tinc0_oq = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,5,0);
  register PDL_Indx __tinc0_alphaq = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,6,0);
  register PDL_Indx __tinc0_betaq = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,7,0);
  register PDL_Indx __tinc0_ea = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,8,0);
  register PDL_Indx __tinc0_eb = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,9,0);
  register PDL_Indx __tinc0_epi = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,10,0);
  register PDL_Indx __tinc0_eomega = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,11,0);
  register PDL_Indx __tinc1_a = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,0,1);
  register PDL_Indx __tinc1_b = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,1,1);
  register PDL_Indx __tinc1_pi = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,2,1);
  register PDL_Indx __tinc1_omega = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,3,1);
  register PDL_Indx __tinc1_o = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,4,1);
  register PDL_Indx __tinc1_oq = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,5,1);
  register PDL_Indx __tinc1_alphaq = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,6,1);
  register PDL_Indx __tinc1_betaq = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,7,1);
  register PDL_Indx __tinc1_ea = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,8,1);
  register PDL_Indx __tinc1_eb = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,9,1);
  register PDL_Indx __tinc1_epi = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,10,1);
  register PDL_Indx __tinc1_eomega = PDL_BRC_INC(__privtrans->broadcast.incs,__tnpdls,11,1);
  #define PDL_BROADCASTLOOP_START_hmmexpectq_readdata PDL_BROADCASTLOOP_START( \
    readdata, \
    __privtrans->broadcast, \
    __privtrans->vtable, \
    a_datap += __offsp[0]; \
    b_datap += __offsp[1]; \
    pi_datap += __offsp[2]; \
    omega_datap += __offsp[3]; \
    o_datap += __offsp[4]; \
    oq_datap += __offsp[5]; \
    alphaq_datap += __offsp[6]; \
    betaq_datap += __offsp[7]; \
    ea_datap += __offsp[8]; \
    eb_datap += __offsp[9]; \
    epi_datap += __offsp[10]; \
    eomega_datap += __offsp[11]; \
    , \
    (  ,a_datap += __tinc1_a - __tinc0_a * __tdims0 \
    ,b_datap += __tinc1_b - __tinc0_b * __tdims0 \
    ,pi_datap += __tinc1_pi - __tinc0_pi * __tdims0 \
    ,omega_datap += __tinc1_omega - __tinc0_omega * __tdims0 \
    ,o_datap += __tinc1_o - __tinc0_o * __tdims0 \
    ,oq_datap += __tinc1_oq - __tinc0_oq * __tdims0 \
    ,alphaq_datap += __tinc1_alphaq - __tinc0_alphaq * __tdims0 \
    ,betaq_datap += __tinc1_betaq - __tinc0_betaq * __tdims0 \
    ,ea_datap += __tinc1_ea - __tinc0_ea * __tdims0 \
    ,eb_datap += __tinc1_eb - __tinc0_eb * __tdims0 \
    ,epi_datap += __tinc1_epi - __tinc0_epi * __tdims0 \
    ,eomega_datap += __tinc1_eomega - __tinc0_eomega * __tdims0 \
    ), \
    (  ,a_datap += __tinc0_a \
    ,b_datap += __tinc0_b \
    ,pi_datap += __tinc0_pi \
    ,omega_datap += __tinc0_omega \
    ,o_datap += __tinc0_o \
    ,oq_datap += __tinc0_oq \
    ,alphaq_datap += __tinc0_alphaq \
    ,betaq_datap += __tinc0_betaq \
    ,ea_datap += __tinc0_ea \
    ,eb_datap += __tinc0_eb \
    ,epi_datap += __tinc0_epi \
    ,eomega_datap += __tinc0_eomega \
    ) \
  )
  #define PDL_BROADCASTLOOP_END_hmmexpectq_readdata PDL_BROADCASTLOOP_END( \
    __privtrans->broadcast, \
    a_datap -= __tinc1_a * __tdims1 + __offsp[0]; \
    b_datap -= __tinc1_b * __tdims1 + __offsp[1]; \
    pi_datap -= __tinc1_pi * __tdims1 + __offsp[2]; \
    omega_datap -= __tinc1_omega * __tdims1 + __offsp[3]; \
    o_datap -= __tinc1_o * __tdims1 + __offsp[4]; \
    oq_datap -= __tinc1_oq * __tdims1 + __offsp[5]; \
    alphaq_datap -= __tinc1_alphaq * __tdims1 + __offsp[6]; \
    betaq_datap -= __tinc1_betaq * __tdims1 + __offsp[7]; \
    ea_datap -= __tinc1_ea * __tdims1 + __offsp[8]; \
    eb_datap -= __tinc1_eb * __tdims1 + __offsp[9]; \
    epi_datap -= __tinc1_epi * __tdims1 + __offsp[10]; \
    eomega_datap -= __tinc1_eomega * __tdims1 + __offsp[11]; \
  )
  register PDL_Indx __inc_a_N0 = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,0,0)]; (void)__inc_a_N0;register PDL_Indx __inc_a_N1 = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,0,1)]; (void)__inc_a_N1;
  register PDL_Indx __inc_alphaq_Q = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,6,0)]; (void)__inc_alphaq_Q;register PDL_Indx __inc_alphaq_T = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,6,1)]; (void)__inc_alphaq_T;
  register PDL_Indx __inc_b_N = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,1,0)]; (void)__inc_b_N;register PDL_Indx __inc_b_M = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,1,1)]; (void)__inc_b_M;
  register PDL_Indx __inc_betaq_Q = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,7,0)]; (void)__inc_betaq_Q;register PDL_Indx __inc_betaq_T = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,7,1)]; (void)__inc_betaq_T;
  register PDL_Indx __inc_ea_N0 = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,8,0)]; (void)__inc_ea_N0;register PDL_Indx __inc_ea_N1 = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,8,1)]; (void)__inc_ea_N1;
  register PDL_Indx __inc_eb_N = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,9,0)]; (void)__inc_eb_N;register PDL_Indx __inc_eb_M = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,9,1)]; (void)__inc_eb_M;
  register PDL_Indx __inc_eomega_N = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,11,0)]; (void)__inc_eomega_N;
  register PDL_Indx __inc_epi_N = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,10,0)]; (void)__inc_epi_N;
  register PDL_Indx __inc_o_T = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,4,0)]; (void)__inc_o_T;
  register PDL_Indx __inc_omega_N = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,3,0)]; (void)__inc_omega_N;
  register PDL_Indx __inc_oq_Q = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,5,0)]; (void)__inc_oq_Q;register PDL_Indx __inc_oq_T = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,5,1)]; (void)__inc_oq_T;
  register PDL_Indx __inc_pi_N = __privtrans->inc_sizes[PDL_INC_ID(__privtrans->vtable,2,0)]; (void)__inc_pi_N;
  #ifndef PDL_DECLARE_PARAMS_hmmexpectq_1
  #define PDL_DECLARE_PARAMS_hmmexpectq_1(PDL_TYPE_OP,PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER(PDL_TYPE_OP, a, (__privtrans->pdls[0]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER(PDL_TYPE_OP, b, (__privtrans->pdls[1]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER(PDL_TYPE_OP, pi, (__privtrans->pdls[2]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER(PDL_TYPE_OP, omega, (__privtrans->pdls[3]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER(PDL_TYPE_OP, o, (__privtrans->pdls[4]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER(PDL_TYPE_OP, oq, (__privtrans->pdls[5]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER(PDL_TYPE_OP, alphaq, (__privtrans->pdls[6]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER(PDL_TYPE_OP, betaq, (__privtrans->pdls[7]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER(PDL_TYPE_OP, ea, (__privtrans->pdls[8]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER(PDL_TYPE_OP, eb, (__privtrans->pdls[9]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER(PDL_TYPE_OP, epi, (__privtrans->pdls[10]), 1, PDL_PPSYM_OP) \
    PDL_DECLARE_PARAMETER(PDL_TYPE_OP, eomega, (__privtrans->pdls[11]), 1, PDL_PPSYM_OP)
  #endif
  #define PDL_IF_BAD(t,f) f
  switch (__privtrans->__datatype) { /* Start generic switch */
    case PDL_F: {
      PDL_DECLARE_PARAMS_hmmexpectq_1(PDL_Float,F)
      PDL_BROADCASTLOOP_START_hmmexpectq_readdata    {
           int i,j,t, qi,qj;
           int o_tp1, o_t;
           double p_o = LOG_ZERO;
           double gamma_it;
           double xi_ijt;

           /*-- Initialize: t==(T-1): P(o|@theta) --*/
           t = __privtrans->ind_sizes[3]-1;
           for (qi=0; qi < __privtrans->ind_sizes[2]; qi++) {
             i = (oq_datap)[0+(__inc_oq_Q*(qi))+(__inc_oq_T*(t))];
             if (i < 0) break;

             p_o = logadd(p_o, (omega_datap)[0+(__inc_omega_N*(i))] + (alphaq_datap)[0+(__inc_alphaq_Q*(qi))+(__inc_alphaq_T*(t))]);
           }

           /*-- Initialize: t==(T-1): Iterate: q_(t)=qi: state_t=oq(qi,t)=i: get gamma(i,t) --*/
           o_t = (o_datap)[0+(__inc_o_T*(t))];
           for (qi=0; qi < __privtrans->ind_sizes[2]; qi++) {
             i                = (oq_datap)[0+(__inc_oq_Q*(qi))+(__inc_oq_T*(t))];
             if (i < 0) break;
             gamma_it         = (alphaq_datap)[0+(__inc_alphaq_Q*(qi))+(__inc_alphaq_T*(t))] + (betaq_datap)[0+(__inc_betaq_Q*(qi))+(__inc_betaq_T*(t))] - p_o;
             (eb_datap)[0+(__inc_eb_N*(i))+(__inc_eb_M*(o_t))] = logadd((eb_datap)[0+(__inc_eb_N*(i))+(__inc_eb_M*(o_t))], gamma_it);
             (eomega_datap)[0+(__inc_eomega_N*(i))]    = logadd((eomega_datap)[0+(__inc_eomega_N*(i))]   , gamma_it);
           }

           /*-- Loop: T-1 > t >= 0 --*/
           for (t--; t>=0; t--) {
             o_tp1 = o_t;
             o_t   = (o_datap)[0+(__inc_o_T*(t))];

             /*-- Loop: q_(t)=qi: state_(t)=oq(qi,t)=i --*/
             for (qi=0; qi<__privtrans->ind_sizes[2]; qi++) {
               i        = (oq_datap)[0+(__inc_oq_Q*(qi))+(__inc_oq_T*(t))];
               if (i < 0) break;
               gamma_it = (alphaq_datap)[0+(__inc_alphaq_Q*(qi))+(__inc_alphaq_T*(t))] + (betaq_datap)[0+(__inc_betaq_Q*(qi))+(__inc_betaq_T*(t))] - p_o;

               /*-- Loop: q_(t+1)=qj: state_(t+1)=oq(qj,t+1)=j --*/
               for (qj=0; qj<__privtrans->ind_sizes[2]; qj++) {
                 j      = (oq_datap)[0+(__inc_oq_Q*(qj))+(__inc_oq_T*(t+1))];
                 if (j < 0) break;

                 xi_ijt = (alphaq_datap)[0+(__inc_alphaq_Q*(qi))+(__inc_alphaq_T*(t))] + (a_datap)[0+(__inc_a_N0*(i))+(__inc_a_N1*(j))] + (b_datap)[0+(__inc_b_N*(j))+(__inc_b_M*(o_tp1))] + (betaq_datap)[0+(__inc_betaq_Q*(qj))+(__inc_betaq_T*(t+1))] - p_o;

                 (ea_datap)[0+(__inc_ea_N0*(i))+(__inc_ea_N1*(j))] = logadd(xi_ijt, (ea_datap)[0+(__inc_ea_N0*(i))+(__inc_ea_N1*(j))]);
               }

               /*-- Update: pi --*/
               if (t==0) (epi_datap)[0+(__inc_epi_N*(i))] = logadd(gamma_it, (epi_datap)[0+(__inc_epi_N*(i))]);

               /*-- Update: b --*/
               (eb_datap)[0+(__inc_eb_N*(i))+(__inc_eb_M*(o_t))]     = logadd(gamma_it, (eb_datap)[0+(__inc_eb_N*(i))+(__inc_eb_M*(o_t))]);
             }
             /*-- End Loop: q_(t)=qi: state_(t)=oq(qi,t)=i --*/
           }
           /*-- End Loop: T-1 > t >= 0 --*/
          }PDL_BROADCASTLOOP_END_hmmexpectq_readdata
    } break;
    case PDL_D: {
      PDL_DECLARE_PARAMS_hmmexpectq_1(PDL_Double,D)
      PDL_BROADCASTLOOP_START_hmmexpectq_readdata    {
           int i,j,t, qi,qj;
           int o_tp1, o_t;
           double p_o = LOG_ZERO;
           double gamma_it;
           double xi_ijt;

           /*-- Initialize: t==(T-1): P(o|@theta) --*/
           t = __privtrans->ind_sizes[3]-1;
           for (qi=0; qi < __privtrans->ind_sizes[2]; qi++) {
             i = (oq_datap)[0+(__inc_oq_Q*(qi))+(__inc_oq_T*(t))];
             if (i < 0) break;

             p_o = logadd(p_o, (omega_datap)[0+(__inc_omega_N*(i))] + (alphaq_datap)[0+(__inc_alphaq_Q*(qi))+(__inc_alphaq_T*(t))]);
           }

           /*-- Initialize: t==(T-1): Iterate: q_(t)=qi: state_t=oq(qi,t)=i: get gamma(i,t) --*/
           o_t = (o_datap)[0+(__inc_o_T*(t))];
           for (qi=0; qi < __privtrans->ind_sizes[2]; qi++) {
             i                = (oq_datap)[0+(__inc_oq_Q*(qi))+(__inc_oq_T*(t))];
             if (i < 0) break;
             gamma_it         = (alphaq_datap)[0+(__inc_alphaq_Q*(qi))+(__inc_alphaq_T*(t))] + (betaq_datap)[0+(__inc_betaq_Q*(qi))+(__inc_betaq_T*(t))] - p_o;
             (eb_datap)[0+(__inc_eb_N*(i))+(__inc_eb_M*(o_t))] = logadd((eb_datap)[0+(__inc_eb_N*(i))+(__inc_eb_M*(o_t))], gamma_it);
             (eomega_datap)[0+(__inc_eomega_N*(i))]    = logadd((eomega_datap)[0+(__inc_eomega_N*(i))]   , gamma_it);
           }

           /*-- Loop: T-1 > t >= 0 --*/
           for (t--; t>=0; t--) {
             o_tp1 = o_t;
             o_t   = (o_datap)[0+(__inc_o_T*(t))];

             /*-- Loop: q_(t)=qi: state_(t)=oq(qi,t)=i --*/
             for (qi=0; qi<__privtrans->ind_sizes[2]; qi++) {
               i        = (oq_datap)[0+(__inc_oq_Q*(qi))+(__inc_oq_T*(t))];
               if (i < 0) break;
               gamma_it = (alphaq_datap)[0+(__inc_alphaq_Q*(qi))+(__inc_alphaq_T*(t))] + (betaq_datap)[0+(__inc_betaq_Q*(qi))+(__inc_betaq_T*(t))] - p_o;

               /*-- Loop: q_(t+1)=qj: state_(t+1)=oq(qj,t+1)=j --*/
               for (qj=0; qj<__privtrans->ind_sizes[2]; qj++) {
                 j      = (oq_datap)[0+(__inc_oq_Q*(qj))+(__inc_oq_T*(t+1))];
                 if (j < 0) break;

                 xi_ijt = (alphaq_datap)[0+(__inc_alphaq_Q*(qi))+(__inc_alphaq_T*(t))] + (a_datap)[0+(__inc_a_N0*(i))+(__inc_a_N1*(j))] + (b_datap)[0+(__inc_b_N*(j))+(__inc_b_M*(o_tp1))] + (betaq_datap)[0+(__inc_betaq_Q*(qj))+(__inc_betaq_T*(t+1))] - p_o;

                 (ea_datap)[0+(__inc_ea_N0*(i))+(__inc_ea_N1*(j))] = logadd(xi_ijt, (ea_datap)[0+(__inc_ea_N0*(i))+(__inc_ea_N1*(j))]);
               }

               /*-- Update: pi --*/
               if (t==0) (epi_datap)[0+(__inc_epi_N*(i))] = logadd(gamma_it, (epi_datap)[0+(__inc_epi_N*(i))]);

               /*-- Update: b --*/
               (eb_datap)[0+(__inc_eb_N*(i))+(__inc_eb_M*(o_t))]     = logadd(gamma_it, (eb_datap)[0+(__inc_eb_N*(i))+(__inc_eb_M*(o_t))]);
             }
             /*-- End Loop: q_(t)=qi: state_(t)=oq(qi,t)=i --*/
           }
           /*-- End Loop: T-1 > t >= 0 --*/
          }PDL_BROADCASTLOOP_END_hmmexpectq_readdata
    } break;
    case PDL_LD: {
      PDL_DECLARE_PARAMS_hmmexpectq_1(PDL_LDouble,E)
      PDL_BROADCASTLOOP_START_hmmexpectq_readdata    {
           int i,j,t, qi,qj;
           int o_tp1, o_t;
           double p_o = LOG_ZERO;
           double gamma_it;
           double xi_ijt;

           /*-- Initialize: t==(T-1): P(o|@theta) --*/
           t = __privtrans->ind_sizes[3]-1;
           for (qi=0; qi < __privtrans->ind_sizes[2]; qi++) {
             i = (oq_datap)[0+(__inc_oq_Q*(qi))+(__inc_oq_T*(t))];
             if (i < 0) break;

             p_o = logadd(p_o, (omega_datap)[0+(__inc_omega_N*(i))] + (alphaq_datap)[0+(__inc_alphaq_Q*(qi))+(__inc_alphaq_T*(t))]);
           }

           /*-- Initialize: t==(T-1): Iterate: q_(t)=qi: state_t=oq(qi,t)=i: get gamma(i,t) --*/
           o_t = (o_datap)[0+(__inc_o_T*(t))];
           for (qi=0; qi < __privtrans->ind_sizes[2]; qi++) {
             i                = (oq_datap)[0+(__inc_oq_Q*(qi))+(__inc_oq_T*(t))];
             if (i < 0) break;
             gamma_it         = (alphaq_datap)[0+(__inc_alphaq_Q*(qi))+(__inc_alphaq_T*(t))] + (betaq_datap)[0+(__inc_betaq_Q*(qi))+(__inc_betaq_T*(t))] - p_o;
             (eb_datap)[0+(__inc_eb_N*(i))+(__inc_eb_M*(o_t))] = logadd((eb_datap)[0+(__inc_eb_N*(i))+(__inc_eb_M*(o_t))], gamma_it);
             (eomega_datap)[0+(__inc_eomega_N*(i))]    = logadd((eomega_datap)[0+(__inc_eomega_N*(i))]   , gamma_it);
           }

           /*-- Loop: T-1 > t >= 0 --*/
           for (t--; t>=0; t--) {
             o_tp1 = o_t;
             o_t   = (o_datap)[0+(__inc_o_T*(t))];

             /*-- Loop: q_(t)=qi: state_(t)=oq(qi,t)=i --*/
             for (qi=0; qi<__privtrans->ind_sizes[2]; qi++) {
               i        = (oq_datap)[0+(__inc_oq_Q*(qi))+(__inc_oq_T*(t))];
               if (i < 0) break;
               gamma_it = (alphaq_datap)[0+(__inc_alphaq_Q*(qi))+(__inc_alphaq_T*(t))] + (betaq_datap)[0+(__inc_betaq_Q*(qi))+(__inc_betaq_T*(t))] - p_o;

               /*-- Loop: q_(t+1)=qj: state_(t+1)=oq(qj,t+1)=j --*/
               for (qj=0; qj<__privtrans->ind_sizes[2]; qj++) {
                 j      = (oq_datap)[0+(__inc_oq_Q*(qj))+(__inc_oq_T*(t+1))];
                 if (j < 0) break;

                 xi_ijt = (alphaq_datap)[0+(__inc_alphaq_Q*(qi))+(__inc_alphaq_T*(t))] + (a_datap)[0+(__inc_a_N0*(i))+(__inc_a_N1*(j))] + (b_datap)[0+(__inc_b_N*(j))+(__inc_b_M*(o_tp1))] + (betaq_datap)[0+(__inc_betaq_Q*(qj))+(__inc_betaq_T*(t+1))] - p_o;

                 (ea_datap)[0+(__inc_ea_N0*(i))+(__inc_ea_N1*(j))] = logadd(xi_ijt, (ea_datap)[0+(__inc_ea_N0*(i))+(__inc_ea_N1*(j))]);
               }

               /*-- Update: pi --*/
               if (t==0) (epi_datap)[0+(__inc_epi_N*(i))] = logadd(gamma_it, (epi_datap)[0+(__inc_epi_N*(i))]);

               /*-- Update: b --*/
               (eb_datap)[0+(__inc_eb_N*(i))+(__inc_eb_M*(o_t))]     = logadd(gamma_it, (eb_datap)[0+(__inc_eb_N*(i))+(__inc_eb_M*(o_t))]);
             }
             /*-- End Loop: q_(t)=qi: state_(t)=oq(qi,t)=i --*/
           }
           /*-- End Loop: T-1 > t >= 0 --*/
          }PDL_BROADCASTLOOP_END_hmmexpectq_readdata
    } break;
    default: return PDL->make_error(PDL_EUSERERROR, "PP INTERNAL ERROR in hmmexpectq: unhandled datatype(%d), only handles (FDE)! PLEASE MAKE A BUG REPORT\n", __privtrans->__datatype);
  }
  #undef PDL_IF_BAD
  return PDL_err;
}

static pdl_datatypes pdl_hmmexpectq_vtable_gentypes[] = { PDL_F, PDL_D, PDL_LD, -1 };
static PDL_Indx pdl_hmmexpectq_vtable_realdims[] = { 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1 };
static char *pdl_hmmexpectq_vtable_parnames[] = { "a","b","pi","omega","o","oq","alphaq","betaq","ea","eb","epi","eomega" };
static short pdl_hmmexpectq_vtable_parflags[] = {
  0,
  0,
  0,
  0,
  0,
  0,
  0,
  0,
  PDL_PARAM_ISCREAT|PDL_PARAM_ISOUT|PDL_PARAM_ISWRITE,
  PDL_PARAM_ISCREAT|PDL_PARAM_ISOUT|PDL_PARAM_ISWRITE,
  PDL_PARAM_ISCREAT|PDL_PARAM_ISOUT|PDL_PARAM_ISWRITE,
  PDL_PARAM_ISCREAT|PDL_PARAM_ISOUT|PDL_PARAM_ISWRITE
};
static pdl_datatypes pdl_hmmexpectq_vtable_partypes[] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 };
static PDL_Indx pdl_hmmexpectq_vtable_realdims_starts[] = { 0, 2, 4, 5, 6, 7, 9, 11, 13, 15, 17, 18 };
static PDL_Indx pdl_hmmexpectq_vtable_realdims_ind_ids[] = { 1, 1, 1, 0, 1, 1, 3, 2, 3, 2, 3, 2, 3, 1, 1, 1, 0, 1, 1 };
static char *pdl_hmmexpectq_vtable_indnames[] = { "M","N","Q","T" };
pdl_transvtable pdl_hmmexpectq_vtable = {
  PDL_TRANS_DO_BROADCAST, 0, pdl_hmmexpectq_vtable_gentypes, 8, 12, NULL /*CORE21*/,
  pdl_hmmexpectq_vtable_realdims, pdl_hmmexpectq_vtable_parnames,
  pdl_hmmexpectq_vtable_parflags, pdl_hmmexpectq_vtable_partypes,
  pdl_hmmexpectq_vtable_realdims_starts, pdl_hmmexpectq_vtable_realdims_ind_ids, 19,
  4, pdl_hmmexpectq_vtable_indnames,
  NULL, pdl_hmmexpectq_readdata, NULL,
  NULL,
  0,"PDL::HMM::hmmexpectq"
};


pdl_error pdl_run_hmmexpectq(pdl  *a,pdl  *b,pdl  *pi,pdl  *omega,pdl  *o,pdl  *oq,pdl  *alphaq,pdl  *betaq,pdl  *ea,pdl  *eb,pdl  *epi,pdl  *eomega) {
  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_hmmexpectq_vtable);
  if (!__privtrans) return PDL->make_error_simple(PDL_EFATAL, "Couldn't create trans");
  __privtrans->pdls[0] = a;
  __privtrans->pdls[1] = b;
  __privtrans->pdls[2] = pi;
  __privtrans->pdls[3] = omega;
  __privtrans->pdls[4] = o;
  __privtrans->pdls[5] = oq;
  __privtrans->pdls[6] = alphaq;
  __privtrans->pdls[7] = betaq;
  __privtrans->pdls[8] = ea;
  __privtrans->pdls[9] = eb;
  __privtrans->pdls[10] = epi;
  __privtrans->pdls[11] = eomega;
  PDL_RETERROR(PDL_err, PDL->type_coerce(__privtrans));
  PDL_RETERROR(PDL_err, PDL->make_trans_mutual(__privtrans));
  return PDL_err;
}