#pragma once

/**********************************const.h*************************************

Author: Henry M. Tufo III

e-mail: hmt@cs.brown.edu

snail-mail:
Division of Applied Mathematics
Brown University
Providence, RI 02912

Last Modification:
6.21.97
***********************************const.h************************************/

/**********************************const.h*************************************
File Description:
-----------------

***********************************const.h************************************/
#include <petscsys.h>
#include <petscblaslapack.h>

#define X  0
#define Y  1
#define Z  2
#define XY 3
#define XZ 4
#define YZ 5

#define THRESH      0.2
#define N_HALF      4096
#define PRIV_BUF_SZ 45

/*4096 8192 32768 65536 1048576 */
#define MAX_MSG_BUF 32768

#define FULL    2
#define PARTIAL 1
#define NONE    0

#define BYTE    8
#define BIT_0   0x1
#define BIT_1   0x2
#define BIT_2   0x4
#define BIT_3   0x8
#define BIT_4   0x10
#define BIT_5   0x20
#define BIT_6   0x40
#define BIT_7   0x80
#define TOP_BIT PETSC_MIN_INT

#define C 0

#define MAX_VEC     1674
#define FORMAT      30
#define MAX_COL_LEN 100
#define MAX_LINE    FORMAT *MAX_COL_LEN
#define DELIM       " \n \t"
#define LINE        12
#define C_LINE      80

#define UT       5 /* dump upper 1/2 */
#define LT       6 /* dump lower 1/2 */
#define SYMM     8 /* we assume symm and dump upper 1/2 */
#define NON_SYMM 9

#define ROW 10
#define COL 11

#define EPS  1.0e-14
#define EPS2 1.0e-07

#define MPI 1
#define NX  2

#define LOG2(x) (PetscScalar) log((double)x) / log(2)
#define SWAP(a, b) \
  temp = (a); \
  (a)  = (b); \
  (b)  = temp;
#define P_SWAP(a, b) \
  ptr = (a); \
  (a) = (b); \
  (b) = ptr;

#define MAX_FABS(x, y) (PetscAbsScalar(x) > PetscAbsScalar(y)) ? ((PetscScalar)x) : ((PetscScalar)y)
#define MIN_FABS(x, y) (PetscAbsScalar(x) < PetscAbsScalar(y)) ? ((PetscScalar)x) : ((PetscScalar)y)

/* specer's existence ... can be done w/MAX_ABS */
#define EXISTS(x, y) ((x) == 0.0) ? (y) : (x)

#define MULT_NEG_ONE(a) (a) *= -1;
#define NEG(a)          (a) |= BIT_31;
#define POS(a)          (a) &= INT_MAX;

/**********************************types.h*************************************

Author: Henry M. Tufo III

e-mail: hmt@cs.brown.edu

snail-mail:
Division of Applied Mathematics
Brown University
Providence, RI 02912

Last Modification:
6.21.97
***********************************types.h************************************/

typedef PetscErrorCode (*vfp)(void *, void *, PetscInt, ...);
typedef PetscErrorCode (*rbfp)(PetscScalar *, PetscScalar *, PetscInt);
typedef PetscInt (*bfp)(void *, void *, PetscInt *, MPI_Datatype *);

/***********************************comm.h*************************************

Author: Henry M. Tufo III

e-mail: hmt@cs.brown.edu

snail-mail:
Division of Applied Mathematics
Brown University
Providence, RI 02912

Last Modification:
6.21.97
***********************************comm.h*************************************/
PETSC_INTERN PetscMPIInt PCTFS_my_id;
PETSC_INTERN PetscMPIInt PCTFS_num_nodes;
PETSC_INTERN PetscMPIInt PCTFS_floor_num_nodes;
PETSC_INTERN PetscMPIInt PCTFS_i_log2_num_nodes;

PETSC_INTERN PetscErrorCode PCTFS_giop(PetscInt *, PetscInt *, PetscInt, PetscInt *);
PETSC_INTERN PetscErrorCode PCTFS_grop(PetscScalar *, PetscScalar *, PetscInt, PetscInt *);
PETSC_INTERN PetscErrorCode PCTFS_comm_init(void);
PETSC_INTERN PetscErrorCode PCTFS_giop_hc(PetscInt *, PetscInt *, PetscInt, PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_grop_hc(PetscScalar *, PetscScalar *, PetscInt, PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_ssgl_radd(PetscScalar *, PetscScalar *, PetscInt, PetscInt *);

#define MSGTAG0 101
#define MSGTAG1 1001
#define MSGTAG2 76207
#define MSGTAG3 100001
#define MSGTAG4 163841
#define MSGTAG5 249439
#define MSGTAG6 10000001

#define NON_UNIFORM 0
#define GL_MAX      1
#define GL_MIN      2
#define GL_MULT     3
#define GL_ADD      4
#define GL_B_XOR    5
#define GL_B_OR     6
#define GL_B_AND    7
#define GL_L_XOR    8
#define GL_L_OR     9
#define GL_L_AND    10
#define GL_MAX_ABS  11
#define GL_MIN_ABS  12
#define GL_EXISTS   13

PETSC_INTERN PetscInt      *PCTFS_ivec_copy(PetscInt *, PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_ivec_zero(PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_ivec_set(PetscInt *, PetscInt, PetscInt);

PETSC_INTERN PetscInt PCTFS_ivec_lb(PetscInt *, PetscInt);
PETSC_INTERN PetscInt PCTFS_ivec_ub(PetscInt *, PetscInt);
PETSC_INTERN PetscInt PCTFS_ivec_sum(PetscInt *, PetscInt);
PETSC_INTERN vfp      PCTFS_ivec_fct_addr(PetscInt);

PETSC_INTERN PetscErrorCode PCTFS_ivec_non_uniform(PetscInt *, PetscInt *, PetscInt, ...);
PETSC_INTERN PetscErrorCode PCTFS_ivec_max(PetscInt *, PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_ivec_min(PetscInt *, PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_ivec_mult(PetscInt *, PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_ivec_add(PetscInt *, PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_ivec_xor(PetscInt *, PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_ivec_or(PetscInt *, PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_ivec_and(PetscInt *, PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_ivec_lxor(PetscInt *, PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_ivec_lor(PetscInt *, PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_ivec_land(PetscInt *, PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_ivec_and3(PetscInt *, PetscInt *, PetscInt *, PetscInt);

PETSC_INTERN PetscErrorCode PCTFS_ivec_sort_companion(PetscInt *, PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_ivec_sort(PetscInt *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_SMI_sort(void *, void *, PetscInt, PetscInt);
PETSC_INTERN PetscInt       PCTFS_ivec_binary_search(PetscInt, PetscInt *, PetscInt);
PETSC_INTERN PetscInt       PCTFS_ivec_linear_search(PetscInt, PetscInt *, PetscInt);

PETSC_INTERN PetscErrorCode PCTFS_ivec_sort_companion_hack(PetscInt *, PetscInt **, PetscInt);

#define SORT_INTEGER 1
#define SORT_INT_PTR 2

PETSC_INTERN PetscErrorCode PCTFS_rvec_zero(PetscScalar *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_rvec_one(PetscScalar *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_rvec_set(PetscScalar *, PetscScalar, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_rvec_copy(PetscScalar *, PetscScalar *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_rvec_scale(PetscScalar *, PetscScalar, PetscInt);

PETSC_INTERN vfp            PCTFS_rvec_fct_addr(PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_rvec_add(PetscScalar *, PetscScalar *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_rvec_mult(PetscScalar *, PetscScalar *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_rvec_max(PetscScalar *, PetscScalar *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_rvec_max_abs(PetscScalar *, PetscScalar *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_rvec_min(PetscScalar *, PetscScalar *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_rvec_min_abs(PetscScalar *, PetscScalar *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_vec_exists(PetscScalar *, PetscScalar *, PetscInt);

/***********************************gs.h***************************************

Author: Henry M. Tufo III

e-mail: hmt@cs.brown.edu

snail-mail:
Division of Applied Mathematics
Brown University
Providence, RI 02912

Last Modification:
6.21.97
************************************gs.h**************************************/

typedef struct gather_scatter_id *PCTFS_gs_ADT;

PETSC_INTERN PCTFS_gs_ADT   PCTFS_gs_init(PetscInt *, PetscInt, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_gs_gop_vec(PCTFS_gs_ADT, PetscScalar *, const char *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_gs_gop_hc(PCTFS_gs_ADT, PetscScalar *, const char *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_gs_free(PCTFS_gs_ADT);
PETSC_INTERN PetscErrorCode PCTFS_gs_init_msg_buf_sz(PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_gs_init_vec_sz(PetscInt);

/*************************************xxt.h************************************
Module Name: xxt
Module Info: need xxt.{c,h} gs.{c,h} comm.{c,h} ivec.{c,h} error.{c,h}

author:  Henry M. Tufo III
e-mail:  hmt@asci.uchicago.edu
contact:
+--------------------------------+--------------------------------+
|MCS Division - Building 221     |Department of Computer Science  |
|Argonne National Laboratory     |Ryerson 152                     |
|9700 S. Cass Avenue             |The University of Chicago       |
|Argonne, IL  60439              |Chicago, IL  60637              |
|(630) 252-5354/5986 ph/fx       |(773) 702-6019/8487 ph/fx       |
+--------------------------------+--------------------------------+

Last Modification: 3.20.01
**************************************xxt.h***********************************/

typedef struct xxt_CDT *xxt_ADT;

/*************************************xxt.h************************************
Function: XXT_new()

Return: ADT ptr or NULL upon failure.
Description: This function allocates and returns an xxt handle
Usage: xxt_handle = xxt_new();
**************************************xxt.h***********************************/
PETSC_INTERN xxt_ADT XXT_new(void);

/*************************************xxt.h************************************
Function: XXT_free()

Input : pointer to ADT.

Description: This function frees the storage associated with an xxt handle
Usage: XXT_free(xxt_handle);
**************************************xxt.h***********************************/
PETSC_INTERN PetscErrorCode XXT_free(xxt_ADT);

/*************************************xxt.h************************************
Function: XXT_factor

Input : ADT ptr,  and pointer to object
Return: 0 on failure, 1 on success
Description: This function sets the xxt solver

xxt assumptions: given n rows of global coarse matrix (E_loc) where
   o global dofs N = sum_p(n), p=0,P-1
   (i.e. row dist. with no dof replication)
   (5.21.00 will handle dif replication case)
   o m is the number of columns in E_loc (m>=n)
   o local2global holds global number of column i (i=0,...,m-1)
   o local2global holds global number of row    i (i=0,...,n-1)
   o mylocmatvec performs E_loc . x_loc where x_loc is an vector of
   length m in 1-1 correspondence with local2global
   (note that gs package takes care of communication).
   (note do not zero out upper m-n entries!)
   o mylocmatvec(void *grid_data, double *in, double *out)

ML beliefs/usage: move this to ML_XXT_factor routine
   o my_ml holds address of ML struct associated w/E_loc, grid_data, grid_tag
   o grid_tag, grid_data, my_ml used in
      ML_Set_CSolve(my_ml, grid_tag, grid_data, ML_Do_CoarseDirect);
   o grid_data used in
      A_matvec(grid_data,v,u);

Usage:
**************************************xxt.h***********************************/
PETSC_INTERN PetscErrorCode XXT_factor(xxt_ADT,                                                  /* prev. allocated xxt  handle */
                                       PetscInt *,                                               /* global column mapping       */
                                       PetscInt,                                                 /* local num rows              */
                                       PetscInt,                                                 /* local num cols              */
                                       PetscErrorCode (*)(void *, PetscScalar *, PetscScalar *), /* b_loc=A_local.x_loc         */
                                       void *);                                                  /* grid data for matvec        */

/*************************************xxt.h************************************
Function: XXT_solve

Input : ADT ptr, b (rhs)
Output: x (soln)
Return:
Description: This function performs x = E^-1.b
Usage:
XXT_solve(xxt_handle, double *x, double *b)
XXT_solve(xxt_handle, double *x, NULL)
assumes x has been initialized to be b
**************************************xxt.h***********************************/
PETSC_INTERN PetscErrorCode XXT_solve(xxt_ADT, PetscScalar *, PetscScalar *);

/*************************************xxt.h************************************
Function: XXT_sp_1()

Input : pointer to ADT
Output:
Return:
Description: sets xxt parameter 1 in xxt_handle
Usage: implement later

void XXT_sp_1(xxt_handle,parameter 1 value)
**************************************xxt.h***********************************/

/*************************************xyt.h************************************
Module Name: xyt
Module Info: need xyt.{c,h} gs.{c,h} comm.{c,h} ivec.{c,h} error.{c,h}

author:  Henry M. Tufo III
e-mail:  hmt@asci.uchicago.edu
contact:
+--------------------------------+--------------------------------+
|MCS Division - Building 221     |Department of Computer Science  |
|Argonne National Laboratory     |Ryerson 152                     |
|9700 S. Cass Avenue             |The University of Chicago       |
|Argonne, IL  60439              |Chicago, IL  60637              |
|(630) 252-5354/5986 ph/fx       |(773) 702-6019/8487 ph/fx       |
+--------------------------------+--------------------------------+

Last Modification: 3.20.01
**************************************xyt.h***********************************/

typedef struct xyt_CDT *xyt_ADT;

/*************************************xyt.h************************************
Function: XYT_new()

Return: ADT ptr or NULL upon failure.
Description: This function allocates and returns an xyt handle
Usage: xyt_handle = xyt_new();
**************************************xyt.h***********************************/
PETSC_INTERN xyt_ADT XYT_new(void);

/*************************************xyt.h************************************
Function: XYT_free()

Input : pointer to ADT.
Description: This function frees the storage associated with an xyt handle
Usage: XYT_free(xyt_handle);
**************************************xyt.h***********************************/
PETSC_INTERN PetscErrorCode XYT_free(xyt_ADT);

/*************************************xyt.h************************************
Function: XYT_factor

Input : ADT ptr,  and pointer to object
Output:
Return: 0 on failure, 1 on success
Description: This function sets the xyt solver

xyt assumptions: given n rows of global coarse matrix (E_loc) where
   o global dofs N = sum_p(n), p=0,P-1
   (i.e. row dist. with no dof replication)
   (5.21.00 will handle dif replication case)
   o m is the number of columns in E_loc (m>=n)
   o local2global holds global number of column i (i=0,...,m-1)
   o local2global holds global number of row    i (i=0,...,n-1)
   o mylocmatvec performs E_loc . x_loc where x_loc is an vector of
   length m in 1-1 correspondence with local2global
   (note that gs package takes care of communication).
   (note do not zero out upper m-n entries!)
   o mylocmatvec(void *grid_data, double *in, double *out)

ML beliefs/usage: move this to ML_XYT_factor routine
   o my_ml holds address of ML struct associated w/E_loc, grid_data, grid_tag
   o grid_tag, grid_data, my_ml used in
      ML_Set_CSolve(my_ml, grid_tag, grid_data, ML_Do_CoarseDirect);
   o grid_data used in
      A_matvec(grid_data,v,u);

Usage:
**************************************xyt.h***********************************/
PETSC_INTERN PetscErrorCode XYT_factor(xyt_ADT,                                                  /* prev. allocated xyt  handle */
                                       PetscInt *,                                               /* global column mapping       */
                                       PetscInt,                                                 /* local num rows              */
                                       PetscInt,                                                 /* local num cols              */
                                       PetscErrorCode (*)(void *, PetscScalar *, PetscScalar *), /* b_loc=A_local.x_loc         */
                                       void *);                                                  /* grid data for matvec        */

/*************************************xyt.h************************************
Function: XYT_solve

Input : ADT ptr, b (rhs)
Output: x (soln)
Return:
Description: This function performs x = E^-1.b
Usage: XYT_solve(xyt_handle, double *x, double *b)
**************************************xyt.h***********************************/
PETSC_INTERN PetscErrorCode XYT_solve(xyt_ADT, PetscScalar *, PetscScalar *);

/*************************************xyt.h************************************
Function: XYT_stats

Input : handle
**************************************xyt.h***********************************/
PETSC_INTERN PetscErrorCode XYT_stats(xyt_ADT);

/********************************bit_mask.h************************************

Author: Henry M. Tufo III

e-mail: hmt@cs.brown.edu

snail-mail:
Division of Applied Mathematics
Brown University
Providence, RI 02912

Last Modification:
11.21.97
*********************************bit_mask.h***********************************/
PETSC_INTERN PetscInt       PCTFS_div_ceil(PetscInt, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_set_bit_mask(PetscInt *, PetscInt, PetscInt);
PETSC_INTERN PetscInt       PCTFS_len_bit_mask(PetscInt);
PETSC_INTERN PetscInt       PCTFS_ct_bits(char *, PetscInt);
PETSC_INTERN PetscErrorCode PCTFS_bm_to_proc(char *, PetscInt, PetscInt *);
PETSC_INTERN PetscInt       PCTFS_len_buf(PetscInt, PetscInt);
