// File: /workspace/github_cpp_makefile_star2_O3/myudelson[P]hmm-scalable/trainhmmst.cpp
// Function: cross_validate(double*, char const*, char const*, long*, long*, _IO_FILE*)
NUMBER cross_validate(NUMBER* metrics, const char *filename, const char *model_file_name, clock_t *tm_fit, clock_t *tm_predict, FILE *fid_console) {//SEQ
//NUMBER cross_validate(NUMBER* metrics, const char *filename, const char *model_file_name, double *tm_fit, double *tm_predict, FILE *fid_console) {//PAR
    clock_t tm0;//SEQ
//    double _tm0;//PAR
    char *ch;
    NPAR f;
    NCAT g;
    NDAT t;
    FILE *fid = NULL; // file for storing prediction should that be necessary
    FILE *fid_folds = NULL; // file for reading/writing folds
    if(task.predictions>0) {  // if we have to write the predictions file
        fid = fopen(filename,"w");
        if(fid == NULL)
        {
            fprintf(stderr, "Can't write output model file %s\n",filename);
            if(task.duplicate_console==1) fprintf(fid_console, "Can't write output model file %s\n",filename);
            exit(1);
        }
    }
    // produce folds
    NPAR *folds = Calloc(NPAR, (size_t)task.nG);//[task.nG];
    NDAT *fold_counts = Calloc(NDAT, (size_t)task.cv_folds);
    
    srand ( (unsigned int)time(NULL) );
    // folds file
    if(task.cv_folds_file[0] > 0) { // file is specified
        if(task.cv_inout_flag=='i') {
            fid_folds = fopen(task.cv_folds_file,"r");
            if(fid_folds == NULL)
            {
                fprintf(stderr, "Can't open folds file for reading %s\n",filename);
                if(task.duplicate_console==1) fprintf(fid_console, "Can't open folds file for reading %s\n",filename);
                exit(1);
            }
            max_line_length = 1024;
            line = (char *)malloc((size_t)max_line_length);// Malloc(char,max_line_length);
        } else if(task.cv_inout_flag=='o') {
            fid_folds = fopen(task.cv_folds_file,"w");
            if(fid_folds == NULL)
            {
                fprintf(stderr, "Can't open folds file for writing %s\n",filename);
                if(task.duplicate_console==1) fprintf(fid_console, "Can't open folds file for writing %s\n",filename);
                exit(1);
            }
        }
    }
    for(g=0; g<task.nG; g++) {
        if( task.cv_folds_file[0]==0 || (task.cv_folds_file[0] > 0 && task.cv_inout_flag=='o') ) { // output or default
            folds[g] = (NPAR)(rand() % task.cv_folds);
            if(task.cv_folds_file[0] > 0 )
                fprintf(fid_folds,"%i\n",folds[g]); // write out
        } else if( (task.cv_folds_file[0] > 0 && task.cv_inout_flag=='i') ) {
            readline(fid_folds);//
            ch = strtok(line,"\t\n\r");
            if(ch == NULL) {
                fprintf(stderr, "Error reading input folds file (potentialy wrong number of rows)\n");
                if(task.duplicate_console==1) fprintf(fid_console, "Error reading input folds file (potentialy wrong number of rows)\n");
                exit(1);
            }
            folds[g] = (NPAR)(atoi(ch));
        }
    }
    if(task.cv_folds_file[0] > 0) { // file is specified
        fclose(fid_folds);
        if(task.cv_inout_flag=='i')
            free(line);
    }
	task.metrics_target_obs = task.cv_target_obs;

    // count number of items in each fold
    for(t=0; t<task.N; t++) fold_counts[ folds[task.dat_group[t]] ]++;

    
    // create and fit multiple problems
    HMMProblemSt* hmms[task.cv_folds];
    int q = task.quiet;
//    task.quiet = 1;
    for(f=0; f<task.cv_folds; f++) {
        switch(task.structure)
        {
            case STRUCTURE_SKILL: // Conjugate Gradient Descent
//            case STRUCTURE_GROUP: // Conjugate Gradient Descent
                hmms[f] = new HMMProblemSt(&task);
                break;
            case STRUCTURE_ELO: // Conjugate Gradient Descent
//            case STRUCTURE_GROUP: // Conjugate Gradient Descent
                hmms[f] = new HMMProblemEloSt(&task);
                break;
//            case STRUCTURE_SKABslc: // Conjugate Gradient Descent
//                hmms[f] = new HMMProblemSlicedAB(&param);
//                break;
//            case STRUCTURE_SKAslc: // Conjugate Gradient Descent
//                hmms[f] = new HMMProblemSlicedA(&param);
//                break;
////            case STRUCTURE_PIg: // Gradient Descent: PI by group, A,B by skill
////                hmm = new HMMProblemPiG(&param);
////                break;
//            case STRUCTURE_PIgk: // Gradient Descent, pLo=f(K,G), other by K
//                hmms[f] = new HMMProblemPiGK(&param);
//                break;
//            case STRUCTURE_PIgkww: // Gradient Descent, pLo=f(K,G), other by K
//                hmms[f] = new HMMProblemPiGKww(&param);
//                break;
//            case STRUCTURE_PIAgk: // Gradient Descent, pLo=f(K,G), pT=f(K,G), other by K
//                hmms[f] = new HMMProblemPiAGK(&param);
//                break;
//            case STRUCTURE_Agk: // Gradient Descent, pT=f(K,G), other by K
//                hmms[f] = new HMMProblemAGK(&param);
//                break;
//            case STRUCTURE_PIABgk: // Gradient Descent, pT=f(K,G), other by K
//                hmms[f] = new HMMProblemPiABGK(&param);
//                break;
//            case BKT_GD_T: // Gradient Descent with Transfer
//                hmm = new HMMProblemKT(&param);
//                break;
            default:
                fprintf(stderr,"Solver specified (%d) is not supported!\n",task.structure);
                exit(1);
                break;
        }
        // block respective data - do not fit the data belonging to the fold
        NPAR *saved_obs = Calloc(NPAR, (size_t)fold_counts[f]);
        NDAT count_saved = 0;
        for(t=0; t<task.N; t++) {
            if( folds[ task.dat_group[t]/*->get(t)*/ ] == f ) {
                saved_obs[count_saved++] = task.dat_obs[t];
                task.dat_obs[t] = -1;//->set(t, -1);
            }
        }


        // now compute
        tm0 = clock(); //SEQ
//        _tm0 = omp_get_wtime(); //PAR
        hmms[f]->fit();
        *(tm_fit) += (clock_t)(clock()- tm0);//SEQ
//        *(tm_fit) += omp_get_wtime()-_tm0;//PAR
        
        // write model
        char fname[1024];
        sprintf(fname,"%s_%i",model_file_name,f);
        hmms[f]->toFile(fname);
        
        // UN-block respective data
        count_saved = 0;
        for(t=0; t<task.N; t++)
            if( folds[ task.dat_group[t]/*->get(t)*/ ] == f )
                task.dat_obs[t]=saved_obs[count_saved++];
        free(saved_obs);
        printf("fold %d is done\n",f+1);
        if(task.duplicate_console==1) fprintf(fid_console, "fold %d is done\n",f+1);
    }
    task.quiet = (NPAR)q;
    
    tm0 = clock();//SEQ
//    _tm0 = omp_get_wtime();//PAR
	
	// new prediction
	//		create a general fold-identifying array
	NPAR *dat_fold = Calloc(NPAR, task.N);
	for(NDAT t=0; t<task.N; t++) dat_fold[t] = folds[ task.dat_group[t] ];
	//		predict
	hmms[0]->predict(metrics, filename,
                     //task.N, task.dat_obs, task.dat_group, task.dat_skill, task.dat_skill_stacked, task.dat_skill_rcount, task.dat_skill_rix,
                     &task,
                     hmms, task.cv_folds/*nhmms*/, dat_fold);
	
    printf("Cross-validation is done wrong, if A or B matrices are 'sliced'\n");
    
//    if(task.structure==STRUCTURE_SKAslc) {
//        ((HMMProblemSlicedA *)hmm)->predict(metrics, predict_file, task.dat_obs, task.dat_group, task.dat_skill, task.dat_skill_stacked, task.dat_skill_rcount, task.dat_skill_rix);
//    } else if(task.structure==STRUCTURE_SKABslc) {
//        ((HMMProblemSlicedAB *)hmm)->predict(metrics, predict_file, task.dat_obs, task.dat_group, task.dat_skill, task.dat_skill_stacked, task.dat_skill_rcount, task.dat_skill_rix);
//    } else {
//        HMMProblem::predict(metrics, predict_file, task.dat_obs, task.dat_group, task.dat_skill, task.dat_skill_stacked, task.dat_skill_rcount, task.dat_skill_rix, &hmm, 1, NULL);
//    }
    
    free(dat_fold);
	
	*(tm_predict) += (clock_t)(clock()- tm0);//SEQ
//    *(tm_predict) += omp_get_wtime()-_tm0;//PAR
	
	
    // delete problems
    NUMBER n_par = 0;
    for(f=0; f<task.cv_folds; f++) {
        n_par += hmms[f]->getModelParamN();
        delete hmms[f];
    }
    n_par /= task.cv_folds;
	
    free(folds);
    free(fold_counts);
	
	return (n_par);
}

// Assembly:
pushq %rbp
movq %rsp, %rbp
pushq %r15
pushq %r14
pushq %r13
pushq %r12
pushq %rbx
subq $0x448, %rsp            # imm = 0x448
movq %r9, -0x38(%rbp)
movq %r8, %r12
movq %rcx, -0x40(%rbp)
movq %rdx, -0x70(%rbp)
movq %rsi, %r13
movq %rdi, -0x68(%rbp)
cmpl $0x0, 0x16f82(%rip)     # 0x1d2c8
jle 0x6360
leaq 0xedf1(%rip), %rsi      # 0x15140
movq %r13, %rdi
callq 0x3260
testq %rax, %rax
je 0x684b
movslq 0x177f5(%rip), %rdi     # 0x1db5c
movl $0x1, %esi
callq 0x3120
movq %rax, %rbx
movsbq 0x17358(%rip), %rdi     # 0x1d6d4
movl $0x4, %esi
callq 0x3120
movq %rax, %r15
xorl %r14d, %r14d
xorl %edi, %edi
callq 0x31b0
movl %eax, %edi
callq 0x31d0
cmpb $0x0, 0x17336(%rip)     # 0x1d6d7
jle 0x641a
movzbl 0x1772d(%rip), %eax     # 0x1dad7
cmpl $0x6f, %eax
je 0x63f0
cmpl $0x69, %eax
jne 0x6417
leaq 0x1731c(%rip), %rdi     # 0x1d6d7
leaq 0xf891(%rip), %rsi      # 0x15c53
callq 0x3260
testq %rax, %rax
je 0x6857
movq %rax, %r14
movl $0x400, 0x1780b(%rip)   # imm = 0x400
movl $0x400, %edi            # imm = 0x400
callq 0x32d0
movq %rax, 0x17802(%rip)     # 0x1dbf0
jmp 0x641a
leaq 0x172e0(%rip), %rdi     # 0x1d6d7
leaq 0xed42(%rip), %rsi      # 0x15140
callq 0x3260
movq %rax, %r14
testq %rax, %rax
jne 0x641a
movq %r13, %rdi
movq -0x38(%rbp), %rsi
callq 0x3d24
xorl %r14d, %r14d
movq %r13, -0x58(%rbp)
movq %r12, -0x60(%rbp)
movq %r15, -0x48(%rbp)
cmpl $0x0, 0x1772f(%rip)     # 0x1db5c
jle 0x64e3
leaq 0x10e20(%rip), %r15     # 0x1725a
leaq 0xee75(%rip), %r12      # 0x152b6
xorl %r13d, %r13d
movb 0x1728d(%rip), %al      # 0x1d6d7
testb %al, %al
je 0x6467
setg %dl
movb 0x17680(%rip), %cl      # 0x1dad7
cmpb $0x6f, %cl
sete %sil
andb %dl, %sil
cmpb $0x1, %sil
jne 0x6492
callq 0x30a0
movsbl 0x17261(%rip), %ecx     # 0x1d6d4
cltd
idivl %ecx
movb %dl, (%rbx,%r13)
cmpb $0x0, 0x17256(%rip)     # 0x1d6d7
jle 0x64d0
movq %r14, %rdi
movq %r15, %rsi
xorl %eax, %eax
callq 0x32e0
jmp 0x64d0
testb %al, %al
setg %al
cmpb $0x69, %cl
sete %cl
andb %al, %cl
cmpb $0x1, %cl
jne 0x64d0
movq %r14, %rdi
callq 0x72f3
movq 0x1773d(%rip), %rdi     # 0x1dbf0
movq %r12, %rsi
callq 0x3350
testq %rax, %rax
je 0x6842
movq %rax, %rdi
callq 0x3340
movb %al, (%rbx,%r13)
incq %r13
movslq 0x17682(%rip), %rax     # 0x1db5c
cmpq %rax, %r13
jl 0x6444
cmpb $0x0, 0x171ed(%rip)     # 0x1d6d7
jle 0x6509
movq %r14, %rdi
callq 0x31e0
cmpb $0x69, 0x175dc(%rip)    # 0x1dad7
jne 0x6509
movq 0x176ec(%rip), %rdi     # 0x1dbf0
callq 0x3270
movb 0x171c7(%rip), %al      # 0x1d6d6
movb %al, 0x16daf(%rip)      # 0x1d2c4
movslq 0x17634(%rip), %rax     # 0x1db50
testq %rax, %rax
movq -0x48(%rbp), %r14
jle 0x6543
movq 0x175bc(%rip), %rcx     # 0x1dae8
xorl %edx, %edx
movslq (%rcx,%rdx,4), %rsi
movsbq (%rbx,%rsi), %rsi
incl (%r14,%rsi,4)
incq %rdx
cmpq %rdx, %rax
jne 0x652e
movzbl 0x1718a(%rip), %eax     # 0x1d6d4
leal 0xf(,%rax,8), %ecx
andl $-0x10, %ecx
movq %rsp, %rdx
subq %rcx, %rdx
movq %rdx, -0x50(%rbp)
movq %rdx, %rsp
movb 0x16d3d(%rip), %cl      # 0x1d2a4
movb %cl, -0x29(%rbp)
testb %al, %al
jle 0x671d
xorl %r12d, %r12d
movzbl 0x16d2a(%rip), %eax     # 0x1d2a6
cmpl $0xe, %eax
je 0x65a8
cmpl $0x1, %eax
jne 0x683a
movl $0xd0, %edi
callq 0x31f0
movq %rax, %r13
movq %rax, %rdi
leaq 0x16cb7(%rip), %rsi     # 0x1d258
callq 0xe950
jmp 0x65c4
movl $0x110, %edi            # imm = 0x110
callq 0x31f0
movq %rax, %r13
movq %rax, %rdi
leaq 0x16c99(%rip), %rsi     # 0x1d258
callq 0x1485a
movq -0x50(%rbp), %rax
movq %r13, (%rax,%r12,8)
movslq (%r14,%r12,4), %rdi
movl $0x1, %esi
callq 0x3120
movq %rax, %r14
movl 0x1756d(%rip), %ecx     # 0x1db50
testl %ecx, %ecx
jle 0x662f
xorl %eax, %eax
movq 0x174f8(%rip), %rsi     # 0x1dae8
xorl %edx, %edx
movslq (%rsi,%rax,4), %rdi
movzbl (%rbx,%rdi), %edi
cmpq %rdi, %r12
jne 0x6624
movq 0x174d2(%rip), %rcx     # 0x1dad8
movb (%rcx,%rax), %sil
movslq %edx, %rdi
incl %edx
movb %sil, (%r14,%rdi)
movb $-0x1, (%rcx,%rax)
movq 0x174ca(%rip), %rsi     # 0x1dae8
movl 0x1752c(%rip), %ecx     # 0x1db50
incq %rax
movslq %ecx, %rdi
cmpq %rdi, %rax
jl 0x65f2
callq 0x3130
movq %rax, %r15
movq (%r13), %rax
movq %r13, %rdi
callq *0x48(%rax)
callq 0x3130
subq %r15, %rax
movq -0x40(%rbp), %rcx
addq %rax, (%rcx)
leaq -0x470(%rbp), %r15
movq %r15, %rdi
leaq 0xf682(%rip), %rsi      # 0x15ce3
movq -0x70(%rbp), %rdx
movl %r12d, %ecx
xorl %eax, %eax
callq 0x3090
movq (%r13), %rax
movq %r13, %rdi
movq %r15, %rsi
callq *0x40(%rax)
movl 0x174ce(%rip), %ecx     # 0x1db50
testl %ecx, %ecx
jle 0x66c9
xorl %eax, %eax
movq 0x17459(%rip), %rsi     # 0x1dae8
xorl %edx, %edx
movslq (%rsi,%rax,4), %rdi
movzbl (%rbx,%rdi), %edi
cmpq %rdi, %r12
jne 0x66be
movslq %edx, %rcx
incl %edx
movb (%r14,%rcx), %cl
movq 0x1742a(%rip), %rsi     # 0x1dad8
movb %cl, (%rsi,%rax)
movq 0x17430(%rip), %rsi     # 0x1dae8
movl 0x17492(%rip), %ecx     # 0x1db50
incq %rax
movslq %ecx, %rdi
cmpq %rdi, %rax
jl 0x6691
movq %r14, %rdi
callq 0x3270
leal 0x1(%r12), %r14d
leaq 0xf60c(%rip), %rdi      # 0x15ce9
movl %r14d, %esi
xorl %eax, %eax
callq 0x3050
cmpb $0x1, 0x16bae(%rip)     # 0x1d29c
jne 0x6705
movq -0x38(%rbp), %rdi
leaq 0xf5ee(%rip), %rsi      # 0x15ce9
movl %r14d, %edx
xorl %eax, %eax
callq 0x32e0
incq %r12
movsbq 0x16fc4(%rip), %rax     # 0x1d6d4
cmpq %rax, %r12
movq -0x48(%rbp), %r14
jl 0x6575
movb -0x29(%rbp), %al
movb %al, 0x16b7e(%rip)      # 0x1d2a4
callq 0x3130
movq %rax, %r14
movslq 0x1741b(%rip), %r13     # 0x1db50
movl $0x1, %esi
movq %r13, %rdi
callq 0x3120
movq %rax, %r12
testq %r13, %r13
jle 0x6766
movq 0x17397(%rip), %rax     # 0x1dae8
xorl %ecx, %ecx
movslq (%rax,%rcx,4), %rdx
movb (%rbx,%rdx), %dl
movb %dl, (%r12,%rcx)
incq %rcx
cmpq %rcx, %r13
jne 0x6753
movsbl 0x16f66(%rip), %r8d     # 0x1d6d4
leaq 0x16ae3(%rip), %rdx     # 0x1d258
movq -0x68(%rbp), %rdi
movq -0x58(%rbp), %rsi
movq -0x50(%rbp), %rcx
movq %r12, %r9
callq 0x11afe
leaq 0xf667(%rip), %rdi      # 0x15df7
callq 0x3320
movq %r12, %rdi
callq 0x3270
callq 0x3130
subq %r14, %rax
movq -0x60(%rbp), %rcx
addq %rax, (%rcx)
movb 0x16f22(%rip), %al      # 0x1d6d4
xorpd %xmm1, %xmm1
testb %al, %al
jle 0x6802
xorl %r15d, %r15d
movq -0x50(%rbp), %r12
movsd %xmm1, -0x40(%rbp)
movq (%r12,%r15,8), %rdi
callq 0x120bc
movl %eax, %r14d
movq (%r12,%r15,8), %rdi
testq %rdi, %rdi
je 0x67e1
movq (%rdi), %rax
callq *0x8(%rax)
xorps %xmm0, %xmm0
cvtsi2sd %r14d, %xmm0
movsd -0x40(%rbp), %xmm1
addsd %xmm0, %xmm1
incq %r15
movsbq 0x16ed7(%rip), %rax     # 0x1d6d4
cmpq %rax, %r15
jl 0x67c1
movsbl %al, %eax
xorps %xmm0, %xmm0
cvtsi2sd %eax, %xmm0
divsd %xmm0, %xmm1
movsd %xmm1, -0x40(%rbp)
movq %rbx, %rdi
callq 0x3270
movq -0x48(%rbp), %rdi
callq 0x3270
movsd -0x40(%rbp), %xmm0
leaq -0x28(%rbp), %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
retq
movzbl %al, %edi
callq 0x3dfe
movq -0x38(%rbp), %rdi
callq 0x3db8
movq %r13, %rdi
movq -0x38(%rbp), %rsi
callq 0x3e23
movq %r13, %rdi
movq -0x38(%rbp), %rsi
callq 0x3d6e
movq %rax, %rbx
movl $0xd0, %esi
jmp 0x6875
movq %rax, %rbx
movl $0x110, %esi            # imm = 0x110
movq %r13, %rdi
callq 0x3200
movq %rbx, %rdi
callq 0x33a0