// File: /workspace/github_cpp_makefile_star2_O2/myudelson[P]hmm-scalable/HMMProblemSlicedAB.cpp
// Function: HMMProblemSlicedAB::setGradB(FitBitSlicedAB*)
void HMMProblemSlicedAB::setGradB (FitBitSlicedAB *fb){
    if(this->p->block_fitting[2]>0) return;
    NDAT t, ndat = 0;
    NPAR o, o0, i, z;
    struct data* dt;
    for(NCAT x=0; x<fb->xndat; x++) {
        dt = fb->x_data[x];
        if( dt->cnt!=0 ) continue;
        ndat += dt->n;
//        for(t=0; t<dt->n; t++) { // old
        for(t=0; t<dt->n; t++) { // Levinson MMFST
            z = this->p->dat_slice[ dt->ix[t] ];
            o  = this->p->dat_obs[ dt->ix[t] ];//->get( dt->ix[t] );
            o0 = this->p->dat_obs[ dt->ix[0] ];//->get( dt->ix[t] );
            dt->t = dt->ix[t]; // global state pointer
            if(o<0) // if no observation -- skip
                continue;
            for(i=0; i<this->p->nS; i++)
                fb->gradB[z][i][o] -= dt->alpha[t][i] * dt->beta[t][i] / safe0num(dt->p_O_param * fb->B[z][i][o]); // old
//            for(j=0; j<this->p->nS; j++)
//                if(t==0) {
//                    fb->gradB[z][j][o] -= (o0==o) * getPI(dt,j) * dt->beta[0][j];
//                } else {
//                    for(i=0; i<this->p->nS; i++)
//                        fb->gradB[z][j][o] -= ( dt->alpha[t-1][i] * getA(dt,i,j) * dt->beta[t][j] /*+ (o0==o) * getPI(dt,j) * dt->beta[0][j]*/ ) / safe0num(dt->p_O_param); // Levinson MMFST
//                }
        }
    }
    // penalty
    if( this->p->Cslices>0 ) {
        fb->addL2Penalty(FBV_B, this->p, (NUMBER)ndat);
    }
}

// Assembly:
pushq %rbp
pushq %r15
pushq %r14
pushq %r13
pushq %r12
pushq %rbx
subq $0x28, %rsp
movq 0x88(%rdi), %rdx
cmpb $0x0, 0x983(%rdx)
jle 0x20bb9
addq $0x28, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
retq
movq %rsi, %rbx
movq %rdi, 0x18(%rsp)
xorl %ecx, %ecx
xorl %esi, %esi
movslq 0xd0(%rbx), %rax
cmpq %rax, %rcx
jge 0x20ce7
movq 0xd8(%rbx), %rax
movq (%rax,%rcx,8), %r12
cmpl $0x0, 0x4(%r12)
jne 0x20cdf
movl %esi, 0xc(%rsp)
movq %rcx, 0x10(%rsp)
movl (%r12), %eax
movl %eax, 0x8(%rsp)
xorl %ebp, %ebp
movslq %eax, %rcx
cmpq %rcx, %rbp
jge 0x20cd2
movq 0x870(%rdx), %rcx
movq 0x8a8(%rdx), %rsi
movq 0x10(%r12), %rdi
movslq (%rdi,%rbp,4), %rdi
movsbq (%rsi,%rdi), %r13
movsbq (%rcx,%rdi), %r15
movl %edi, 0x8(%r12)
testq %r15, %r15
js 0x20cca
xorl %r14d, %r14d
movsbq 0x8b8(%rdx), %rax
cmpq %rax, %r14
jge 0x20cc6
movq 0x28(%r12), %rax
movq 0x30(%r12), %rcx
movq (%rax,%rbp,8), %rax
movsd (%rax,%r14,8), %xmm0
movq (%rcx,%rbp,8), %rax
mulsd (%rax,%r14,8), %xmm0
movsd %xmm0, 0x20(%rsp)
movsd 0x48(%r12), %xmm0
movq 0x20(%rbx), %rax
movq (%rax,%r13,8), %rax
movq (%rax,%r14,8), %rax
mulsd (%rax,%r15,8), %xmm0
callq 0x67cb
movsd 0x20(%rsp), %xmm1
divsd %xmm0, %xmm1
movq 0x68(%rbx), %rax
movq (%rax,%r13,8), %rax
movq (%rax,%r14,8), %rax
movsd (%rax,%r15,8), %xmm0
subsd %xmm1, %xmm0
movsd %xmm0, (%rax,%r15,8)
incq %r14
movq 0x18(%rsp), %rax
movq 0x88(%rax), %rdx
jmp 0x20c3d
movl (%r12), %eax
incq %rbp
jmp 0x20bff
movl 0xc(%rsp), %esi
addl 0x8(%rsp), %esi
movq 0x10(%rsp), %rcx
incq %rcx
jmp 0x20bc5
cmpb $0x0, 0x42(%rdx)
jle 0x20baa
cvtsi2sd %esi, %xmm0
pushq $0x3
popq %rsi
movq %rbx, %rdi
addq $0x28, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
jmp 0xacca