/*--------------------------------------------------------------------*/
int
main ( int argc, char *argv[] )
/*
-----------------------------------------------
test the DenseMtx_twoNormOfColumn routine.
when msglvl > 1, the output of this program
can be fed into Matlab to check for errors
created -- 98dec03, ycp
-----------------------------------------------
*/
{
DenseMtx *A ;
double t1, t2, value ;
Drand *drand ;
FILE *msgFile ;
int inc1, inc2, jcol, msglvl, nrow, ncol, seed, type ;
if ( argc != 10 ) {
fprintf(stdout,
"\n\n usage : %s msglvl msgFile type nrow ncol inc1 inc2 "
"\n , jcol, seed "
"\n msglvl -- message level"
"\n msgFile -- message file"
"\n type -- entries type"
"\n 1 -- real"
"\n 2 -- complex"
"\n nrow -- # of rows "
"\n ncol -- # of columns "
"\n inc1 -- row increment "
"\n inc2 -- column increment "
"\n jcol -- vector x: j-th column of A "
"\n seed -- random number seed"
"\n", argv[0]) ;
return(0) ;
}
if ( (msglvl = atoi(argv[1])) < 0 ) {
fprintf(stderr, "\n message level must be positive\n") ;
exit(-1) ;
}
if ( strcmp(argv[2], "stdout") == 0 ) {
msgFile = stdout ;
} else if ( (msgFile = fopen(argv[2], "a")) == NULL ) {
fprintf(stderr, "\n unable to open file %s\n", argv[2]) ;
return(-1) ;
}
type = atoi(argv[3]) ;
nrow = atoi(argv[4]) ;
ncol = atoi(argv[5]) ;
inc1 = atoi(argv[6]) ;
inc2 = atoi(argv[7]) ;
if ( type < 1 || type > 2 || nrow < 0 || ncol < 0
|| inc1 < 1 || inc2 < 1 ) {
fprintf(stderr,
"\n fatal error, type %d, nrow %d, ncol %d, inc1 %d, inc2 %d",
type, nrow, ncol, inc1, inc2) ;
exit(-1) ;
}
jcol = atoi(argv[8]) ;
seed = atoi(argv[9]) ;
fprintf(msgFile, "\n\n %% %s :"
"\n %% msglvl = %d"
"\n %% msgFile = %s"
"\n %% type = %d"
"\n %% nrow = %d"
"\n %% ncol = %d"
"\n %% inc1 = %d"
"\n %% inc2 = %d"
"\n %% jcol = %d"
"\n %% seed = %d"
"\n",
argv[0], msglvl, argv[2], type, nrow, ncol, inc1, inc2, jcol, seed) ;
/*
----------------------------
initialize the matrix object
----------------------------
*/
MARKTIME(t1) ;
A = DenseMtx_new() ;
DenseMtx_init(A, type, 0, 0, nrow, ncol, inc1, inc2) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to initialize matrix object",
t2 - t1) ;
MARKTIME(t1) ;
drand = Drand_new() ;
Drand_setSeed(drand, seed) ;
seed++ ;
Drand_setUniform(drand, -1.0, 1.0) ;
DenseMtx_fillRandomEntries(A, drand) ;
MARKTIME(t2) ;
fprintf(msgFile,
"\n %% CPU : %.3f to fill matrix with random numbers", t2 - t1) ;
if ( msglvl > 3 ) {
fprintf(msgFile, "\n matrix A") ;
DenseMtx_writeForHumanEye(A, msgFile) ;
}
if ( msglvl > 1 ) {
fprintf(msgFile, "\n %% matrix A") ;
fprintf(msgFile, "\n nrow = %d ;", nrow) ;
fprintf(msgFile, "\n ncol = %d ;", ncol) ;
fprintf(msgFile, "\n");
DenseMtx_writeForMatlab(A, "A", msgFile) ;
}
/*
--------------------------
compute the frobenius norm
--------------------------
*/
value = DenseMtx_twoNormOfColumn(A,jcol);
if ( msglvl > 1 ) {
fprintf(msgFile, "\n %% Two Norm = %e", value) ;
fprintf(msgFile, "\n");
fflush(msgFile) ;
}
/*
------------------------
free the working storage
------------------------
*/
DenseMtx_free(A) ;
Drand_free(drand) ;
return(1) ; }
/*--------------------------------------------------------------------*/
int
main ( int argc, char *argv[] )
/*
---------------------------------------
test the Chv_addChevron() method.
created -- 98apr18, cca
---------------------------------------
*/
{
Chv *chv ;
double alpha[2] ;
double imag, real, t1, t2 ;
double *chvent, *entries ;
Drand *drand ;
FILE *msgFile ;
int chvsize, count, ichv, ierr, ii, iloc, irow, jcol,
lastcol, msglvl, ncol, nD, nent, nL, nrow, nU,
off, seed, symflag, type, upper ;
int *chvind, *colind, *keys, *rowind, *temp ;
if ( argc != 10 ) {
fprintf(stdout,
"\n\n usage : %s msglvl msgFile nD nU type symflag seed "
"\n alphareal alphaimag"
"\n msglvl -- message level"
"\n msgFile -- message file"
"\n nD -- # of rows and columns in the (1,1) block"
"\n nU -- # of columns in the (1,2) block"
"\n type -- entries type"
"\n 1 --> real"
"\n 2 --> complex"
"\n symflag -- symmetry flag"
"\n 0 --> symmetric"
"\n 1 --> hermitian"
"\n 2 --> nonsymmetric"
"\n seed -- random number seed"
"\n alpha -- scaling parameter"
"\n", argv[0]) ;
return(0) ;
}
if ( (msglvl = atoi(argv[1])) < 0 ) {
fprintf(stderr, "\n message level must be positive\n") ;
exit(-1) ;
}
if ( strcmp(argv[2], "stdout") == 0 ) {
msgFile = stdout ;
} else if ( (msgFile = fopen(argv[2], "a")) == NULL ) {
fprintf(stderr, "\n unable to open file %s\n", argv[2]) ;
return(-1) ;
}
nD = atoi(argv[3]) ;
nU = atoi(argv[4]) ;
type = atoi(argv[5]) ;
symflag = atoi(argv[6]) ;
seed = atoi(argv[7]) ;
alpha[0] = atof(argv[8]) ;
alpha[1] = atof(argv[9]) ;
if ( nD <= 0 || nU < 0 || symflag < 0 || symflag > 2 ) {
fprintf(stderr, "\n invalid input"
"\n nD = %d, nU = %d, symflag = %d\n", nD, nU, symflag) ;
exit(-1) ;
}
fprintf(msgFile, "\n alpha = %12.4e + %12.4e*i ;", alpha[0], alpha[1]) ;
nL = nU ;
/*
--------------------------------------
initialize the random number generator
--------------------------------------
*/
drand = Drand_new() ;
Drand_init(drand) ;
Drand_setSeed(drand, seed) ;
Drand_setUniform(drand, -1.0, 1.0) ;
/*
----------------------------
initialize the Chv object
----------------------------
*/
MARKTIME(t1) ;
chv = Chv_new() ;
Chv_init(chv, 0, nD, nL, nU, type, symflag) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to initialize chv object",
t2 - t1) ;
fflush(msgFile) ;
Chv_columnIndices(chv, &ncol, &colind) ;
temp = IVinit(2*(nD+nU), -1) ;
IVramp(2*(nD+nU), temp, 0, 1) ;
IVshuffle(2*(nD+nU), temp, ++seed) ;
IVcopy(ncol, colind, temp) ;
IVqsortUp(ncol, colind) ;
if ( CHV_IS_NONSYMMETRIC(chv) ) {
Chv_rowIndices(chv, &nrow, &rowind) ;
IVcopy(nrow, rowind, colind) ;
}
if ( msglvl > 2 ) {
fprintf(msgFile, "\n %% column indices") ;
IVfprintf(msgFile, ncol, colind) ;
}
lastcol = colind[ncol-1] ;
nent = Chv_nent(chv) ;
entries = Chv_entries(chv) ;
if ( CHV_IS_REAL(chv) ) {
Drand_fillDvector(drand, nent, entries) ;
} else if ( CHV_IS_COMPLEX(chv) ) {
Drand_fillDvector(drand, 2*nent, entries) ;
}
if ( CHV_IS_HERMITIAN(chv) ) {
/*
---------------------------------------------------------
hermitian example, set imaginary part of diagonal to zero
---------------------------------------------------------
*/
for ( irow = 0 ; irow < nD ; irow++ ) {
Chv_complexEntry(chv, irow, irow, &real, &imag) ;
Chv_setComplexEntry(chv, irow, irow, real, 0.0) ;
}
}
if ( msglvl > 1 ) {
fprintf(msgFile, "\n a = zeros(%d,%d) ;", lastcol+1, lastcol+1) ;
Chv_writeForMatlab(chv, "a", msgFile) ;
}
/*
--------------------------------------------------
fill a chevron with random numbers and indices
that are a subset of a front's, as in the assembly
of original matrix entries.
--------------------------------------------------
*/
Drand_setUniform(drand, 0, nD) ;
iloc = (int) Drand_value(drand) ;
ichv = colind[iloc] ;
if ( CHV_IS_SYMMETRIC(chv) || CHV_IS_HERMITIAN(chv) ) {
upper = nD - iloc + nU ;
} else {
upper = 2*(nD - iloc) - 1 + nL + nU ;
}
Drand_setUniform(drand, 1, upper) ;
chvsize = (int) Drand_value(drand) ;
fprintf(msgFile, "\n %% iloc = %d, ichv = %d, chvsize = %d",
iloc, ichv, chvsize) ;
chvind = IVinit(chvsize, -1) ;
chvent = DVinit(2*chvsize, 0.0) ;
Drand_setNormal(drand, 0.0, 1.0) ;
if ( CHV_IS_REAL(chv) ) {
Drand_fillDvector(drand, chvsize, chvent) ;
} else if ( CHV_IS_COMPLEX(chv) ) {
Drand_fillDvector(drand, 2*chvsize, chvent) ;
}
keys = IVinit(upper+1, -1) ;
keys[0] = 0 ;
if ( CHV_IS_SYMMETRIC(chv) || CHV_IS_HERMITIAN(chv) ) {
for ( ii = iloc + 1, count = 1 ; ii < nD + nU ; ii++ ) {
keys[count++] = colind[ii] - ichv ;
}
} else {
for ( ii = iloc + 1, count = 1 ; ii < nD + nU ; ii++ ) {
keys[count++] = colind[ii] - ichv ;
keys[count++] = - colind[ii] + ichv ;
}
}
if ( msglvl > 3 ) {
fprintf(msgFile, "\n %% iloc = %d, ichv = %d", iloc, ichv) ;
fprintf(msgFile, "\n %% upper = %d", upper) ;
fprintf(msgFile, "\n %% chvsize = %d", chvsize) ;
fprintf(msgFile, "\n %% initial keys") ;
IVfprintf(msgFile, count, keys) ;
}
IVshuffle(count, keys, ++seed) ;
if ( msglvl > 3 ) {
fprintf(msgFile, "\n %% shuffled keys") ;
IVfp80(msgFile, count, keys, 80, &ierr) ;
}
IVcopy(chvsize, chvind, keys) ;
if ( CHV_IS_REAL(chv) ) {
IVDVqsortUp(chvsize, chvind, chvent) ;
} else if ( CHV_IS_COMPLEX(chv) ) {
IVZVqsortUp(chvsize, chvind, chvent) ;
}
if ( msglvl > 3 ) {
fprintf(msgFile, "\n %% chvind") ;
IVfprintf(msgFile, chvsize, chvind) ;
}
if ( CHV_IS_HERMITIAN(chv) ) {
for ( ii = 0 ; ii < chvsize ; ii++ ) {
if ( chvind[ii] == 0 ) {
chvent[2*ii+1] = 0.0 ;
}
}
}
if ( msglvl > 1 ) {
fprintf(msgFile, "\n b = zeros(%d,%d) ;", lastcol+1, lastcol+1) ;
if ( CHV_IS_REAL(chv) ) {
if ( CHV_IS_SYMMETRIC(chv) ) {
for ( ii = 0 ; ii < chvsize ; ii++ ) {
off = chvind[ii] ;
fprintf(msgFile, "\n b(%d,%d) = %20.12e ;",
colind[iloc]+1, colind[iloc]+off+1, chvent[ii]) ;
fprintf(msgFile, "\n b(%d,%d) = %20.12e ;",
colind[iloc]+off+1, colind[iloc]+1, chvent[ii]) ;
}
} else {
for ( ii = 0 ; ii < chvsize ; ii++ ) {
off = chvind[ii] ;
if ( off > 0 ) {
fprintf(msgFile, "\n b(%d,%d) = %20.12e ;",
colind[iloc]+1, colind[iloc]+off+1, chvent[ii]) ;
} else {
fprintf(msgFile, "\n b(%d,%d) = %20.12e ;",
colind[iloc]-off+1, colind[iloc]+1, chvent[ii]) ;
}
}
}
} else if ( CHV_IS_COMPLEX(chv) ) {
if ( CHV_IS_SYMMETRIC(chv) || CHV_IS_HERMITIAN(chv) ) {
for ( ii = 0 ; ii < chvsize ; ii++ ) {
off = chvind[ii] ;
fprintf(msgFile, "\n b(%d,%d) = %20.12e + %20.12e*i;",
colind[iloc]+1, colind[iloc]+off+1,
chvent[2*ii], chvent[2*ii+1]) ;
if ( CHV_IS_HERMITIAN(chv) ) {
fprintf(msgFile, "\n b(%d,%d) = %20.12e + %20.12e*i;",
colind[iloc]+off+1, colind[iloc]+1,
chvent[2*ii], -chvent[2*ii+1]) ;
} else {
fprintf(msgFile, "\n b(%d,%d) = %20.12e + %20.12e*i;",
colind[iloc]+off+1, colind[iloc]+1,
chvent[2*ii], chvent[2*ii+1]) ;
}
}
} else {
for ( ii = 0 ; ii < chvsize ; ii++ ) {
off = chvind[ii] ;
if ( off > 0 ) {
fprintf(msgFile, "\n b(%d,%d) = %20.12e + %20.12e*i;",
colind[iloc]+1, colind[iloc]+off+1,
chvent[2*ii], chvent[2*ii+1]) ;
} else {
fprintf(msgFile, "\n b(%d,%d) = %20.12e + %20.12e*i;",
colind[iloc]-off+1, colind[iloc]+1,
chvent[2*ii], chvent[2*ii+1]) ;
}
}
}
}
}
/*
------------------------------------
add the chevron into the Chv object
------------------------------------
*/
Chv_addChevron(chv, alpha, ichv, chvsize, chvind, chvent) ;
if ( msglvl > 1 ) {
fprintf(msgFile, "\n %% after adding the chevron") ;
fprintf(msgFile, "\n c = zeros(%d,%d) ;", lastcol+1, lastcol+1) ;
Chv_writeForMatlab(chv, "c", msgFile) ;
}
/*
-----------------
compute the error
-----------------
*/
fprintf(msgFile, "\n max(max(abs(c - (a + alpha*b))))") ;
/*
------------------------
free the working storage
------------------------
*/
Chv_free(chv) ;
Drand_free(drand) ;
IVfree(temp) ;
IVfree(chvind) ;
DVfree(chvent) ;
IVfree(keys) ;
fprintf(msgFile, "\n") ;
return(1) ; }
/*--------------------------------------------------------------------*/
int
main ( int argc, char *argv[] )
/*
-------------------------------------------------------
test the DenseMtx_mmm routine.
C = alpha*A*B + beta*C, where A, B and C are DenseMtx.
alpha and beta are scalars.
when msglvl > 1, the output of this program
can be fed into Matlab to check for errors
created -- 98dec14, ycp
-------------------------------------------------------
*/
{
DenseMtx *mtxA, *mtxB, *mtxC;
double t1, t2, value[2] = {1.0, 1.0} ;
Drand *drand ;
FILE *msgFile ;
int i, j, k, msglvl, nrow, nk, ncol, cnrow, cncol, seed, type ;
int ainc1, ainc2, binc1, binc2, cinc1, cinc2;
double alpha[2], beta[2], one[2] = {1.0, 0.0}, rvalue;
char A_opt[1]=" ", B_opt[1]=" ";
if ( argc != 20 ) {
fprintf(stdout,
"\n\n usage : %s msglvl msgFile type nrow nk ncol ainc1 ainc2 binc1 "
"\n binc2 cinc1 cinc2 A_opt B_opt ralpha ialpha rbeta ibeta seed "
"\n msglvl -- message level"
"\n msgFile -- message file"
"\n type -- entries type"
"\n 1 -- real"
"\n 2 -- complex"
"\n nrow -- # of rows of mtxA "
"\n nk -- # of columns of mtxA "
"\n ncol -- # of columns of mtxB "
"\n ainc1 -- A row increment "
"\n ainc2 -- A column increment "
"\n binc1 -- B row increment "
"\n binc2 -- B column increment "
"\n binc1 -- C row increment "
"\n binc2 -- C column increment "
"\n A_opt -- A option "
"\n B_opt -- B option "
"\n ralpha -- real(alpha)"
"\n ialpha -- imag(alpha)"
"\n rbeta -- real(beta)"
"\n ibeta -- imag(beta)"
"\n seed -- random number seed"
"\n", argv[0]) ;
return(0) ;
}
if ( (msglvl = atoi(argv[1])) < 0 ) {
fprintf(stderr, "\n message level must be positive\n") ;
spoolesFatal();
}
if ( strcmp(argv[2], "stdout") == 0 ) {
msgFile = stdout ;
} else if ( (msgFile = fopen(argv[2], "a")) == NULL ) {
fprintf(stderr, "\n unable to open file %s\n", argv[2]) ;
return(-1) ;
}
type = atoi(argv[3]) ;
nrow = atoi(argv[4]) ;
nk = atoi(argv[5]) ;
ncol = atoi(argv[6]) ;
ainc1= atoi(argv[7]) ;
ainc2= atoi(argv[8]) ;
binc1= atoi(argv[9]) ;
binc2= atoi(argv[10]) ;
cinc1= atoi(argv[11]) ;
cinc2= atoi(argv[12]) ;
if ( type < 1 || type > 2 || nrow < 0 || ncol < 0 ||
ainc1 < 1 || ainc2 < 1 || binc1 < 1 || binc2 < 1 ) {
fprintf(stderr,
"\n fatal error, type %d, nrow %d, ncol %d, ainc1 %d, ainc2 %d"
", binc1 %d, binc2 %d", type, nrow, ncol, ainc1, ainc2, binc1, binc2) ;
spoolesFatal();
}
A_opt[0] = *argv[13] ;
B_opt[0] = *argv[14] ;
alpha[0]= atof (argv[15]);
alpha[1]= atof (argv[16]);
beta[0] = atof (argv[17]);
beta[1] = atof (argv[18]);
seed = atoi (argv[19]) ;
fprintf(msgFile, "\n\n %% %s :"
"\n %% msglvl = %d"
"\n %% msgFile = %s"
"\n %% type = %d"
"\n %% nrow = %d"
"\n %% nk = %d"
"\n %% ncol = %d"
"\n %% ainc1 = %d"
"\n %% ainc2 = %d"
"\n %% binc1 = %d"
"\n %% binc2 = %d"
"\n %% cinc1 = %d"
"\n %% cinc2 = %d"
"\n %% a_opt = %c"
"\n %% b_opt = %c"
"\n %% ralpha = %e"
"\n %% ialpha = %e"
"\n %% rbeta = %e"
"\n %% ibeta = %e"
"\n %% seed = %d"
"\n",
argv[0], msglvl, argv[2], type, nrow, nk, ncol, ainc1, ainc2,
binc1, binc2, cinc1, cinc2, A_opt[0], B_opt[0], alpha[0],
alpha[1], beta[0], beta[1], seed) ;
/*
----------------------------
initialize the matrix object
----------------------------
*/
MARKTIME(t1) ;
mtxA = DenseMtx_new() ;
DenseMtx_init(mtxA, type, 0, 0, nrow, nk, ainc1, ainc2) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to initialize matrix object",
t2 - t1) ;
MARKTIME(t1) ;
drand = Drand_new() ;
Drand_setSeed(drand, seed) ;
seed++ ;
Drand_setUniform(drand, -1.0, 1.0) ;
DenseMtx_fillRandomEntries(mtxA, drand) ;
MARKTIME(t2) ;
fprintf(msgFile,
"\n %% CPU : %.3f to fill matrix A with random numbers", t2 - t1) ;
MARKTIME(t1) ;
mtxB = DenseMtx_new() ;
DenseMtx_init(mtxB, type, 0, 0, nk, ncol, binc1, binc2) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to initialize matrix object",
t2 - t1) ;
MARKTIME(t1) ;
drand = Drand_new() ;
Drand_setSeed(drand, seed) ;
seed++ ;
Drand_setUniform(drand, -1.0, 1.0) ;
DenseMtx_fillRandomEntries(mtxB, drand) ;
MARKTIME(t2) ;
fprintf(msgFile,
"\n %% CPU : %.3f to fill matrix B with random numbers", t2 - t1) ;
cnrow = nrow;
cncol = ncol;
MARKTIME(t1) ;
mtxC = DenseMtx_new() ;
if ( A_opt[0] == 't' || A_opt[0] == 'T' ||
A_opt[0] == 'c' || A_opt[0] == 'C') {
cnrow = nk;
}
if ( B_opt[0] == 't' || B_opt[0] == 'T' ||
B_opt[0] == 'c' || B_opt[0] == 'C') {
cncol = nk;
}
if ( cinc1 == 1 && cinc2 == nrow ){ /* stored by column */
cinc1 = 1;
cinc2 = cnrow;
} else { /* stored by row */
cinc1 = cncol;
cinc2 = 1;
}
DenseMtx_init(mtxC, type, 0, 0, cnrow, cncol, cinc1, cinc2) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to initialize matrix object",
t2 - t1) ;
MARKTIME(t1) ;
drand = Drand_new() ;
Drand_setSeed(drand, seed) ;
seed++ ;
Drand_setUniform(drand, -1.0, 1.0) ;
DenseMtx_fillRandomEntries(mtxC, drand) ;
MARKTIME(t2) ;
fprintf(msgFile,
"\n %% CPU : %.3f to fill matrix C with random numbers", t2 - t1) ;
if ( msglvl > 3 ) {
fprintf(msgFile, "\n matrix A") ;
DenseMtx_writeForHumanEye(mtxA, msgFile) ;
fprintf(msgFile, "\n matrix B") ;
DenseMtx_writeForHumanEye(mtxB, msgFile) ;
fprintf(msgFile, "\n matrix C") ;
DenseMtx_writeForHumanEye(mtxC, msgFile) ;
}
if ( msglvl > 1 ) {
fprintf(msgFile, "\n\n %% beta = (%f, %f)", beta[0], beta[1]) ;
fprintf(msgFile, "\n %% alpha = (%f, %f)\n", alpha[0], alpha[1]) ;
fprintf(msgFile, "\n %% matrix A") ;
fprintf(msgFile, "\n nrow = %d ;", nrow) ;
fprintf(msgFile, "\n ncol = %d ;", nk) ;
DenseMtx_writeForMatlab(mtxA, "A", msgFile) ;
fprintf(msgFile, "\n");
fprintf(msgFile, "\n %% matrix B") ;
fprintf(msgFile, "\n nrow = %d ;", nk) ;
fprintf(msgFile, "\n ncol = %d ;", ncol) ;
DenseMtx_writeForMatlab(mtxB, "B", msgFile) ;
fprintf(msgFile, "\n");
fprintf(msgFile, "\n %% matrix C") ;
fprintf(msgFile, "\n nrow = %d ;", cnrow) ;
fprintf(msgFile, "\n ncol = %d ;", cncol) ;
DenseMtx_writeForMatlab(mtxC, "C", msgFile) ;
}
/*
--------------------------
performs the matrix-matrix operations
C = alpha*(A)*(B) + beta*C
--------------------------
*/
DenseMtx_mmm(A_opt, B_opt, &beta, mtxC, &alpha, mtxA, mtxB);
if ( msglvl > 1 ) {
fprintf(msgFile, "\n");
fprintf(msgFile, "\n %% *** Output matrix C ***") ;
fprintf(msgFile, "\n nrow = %d ;", cnrow) ;
fprintf(msgFile, "\n ncol = %d ;", cncol) ;
DenseMtx_writeForMatlab(mtxC, "C", msgFile) ;
fprintf(msgFile, "\n");
fflush(msgFile) ;
}
/*
------------------------
free the working storage
------------------------
*/
DenseMtx_free(mtxA) ;
DenseMtx_free(mtxB) ;
DenseMtx_free(mtxC) ;
Drand_free(drand) ;
return(1) ; }
/*
----------------------------------------------------------------
purpose -- to create an InpMtx object filled with random entries
input --
mtx -- matrix object, if NULL, it is created
inputMode -- input mode for the object,
indices only, real or complex entries
coordType -- coordinate type for the object,
by rows, by columns or by chevrons
storageMode -- storage mode for the object,
raw data, sorted or by vectors
nrow -- # of rows
ncol -- # of columns
symflag -- symmetry flag for the matrix,
symmetric, hermitian or nonsymmetric
nonzerodiag -- if 1, entries are placed on the diagonal
nitem -- # of items to be placed into the matrix
seed -- random number seed
return value ---
1 -- normal return
-1 -- mtx is NULL
-2 -- bad input mode
-3 -- bad coordinate type
-4 -- bad storage mode
-5 -- nrow or ncol <= 0
-6 -- bad symmetry flag
-7 -- hermitian matrix but not complex
-8 -- symmetric or hermitian matrix but nrow != ncol
-9 -- nitem < 0
----------------------------------------------------------------
*/
int
InpMtx_randomMatrix (
InpMtx *mtx,
int inputMode,
int coordType,
int storageMode,
int nrow,
int ncol,
int symflag,
int nonzerodiag,
int nitem,
int seed
) {
double *dvec ;
Drand *drand ;
int col, ii, neqns, row ;
int *colids, *rowids ;
/*
---------------
check the input
---------------
*/
if ( mtx == NULL ) {
fprintf(stderr, "\n fatal error in InpMtx_randomMatrix"
"\n mtx is NULL\n") ;
return(-1) ;
}
switch ( inputMode ) {
case INPMTX_INDICES_ONLY :
case SPOOLES_REAL :
case SPOOLES_COMPLEX :
break ;
default :
fprintf(stderr, "\n fatal error in InpMtx_randomMatrix"
"\n bad input mode %d\n", inputMode) ;
return(-2) ;
break ;
}
switch ( coordType ) {
case INPMTX_BY_ROWS :
case INPMTX_BY_COLUMNS :
case INPMTX_BY_CHEVRONS :
break ;
default :
fprintf(stderr, "\n fatal error in InpMtx_randomMatrix"
"\n bad coordinate type %d\n", coordType) ;
return(-3) ;
break ;
}
switch ( storageMode ) {
case INPMTX_RAW_DATA :
case INPMTX_SORTED :
case INPMTX_BY_VECTORS :
break ;
default :
fprintf(stderr, "\n fatal error in InpMtx_randomMatrix"
"\n bad storage mode%d\n", storageMode) ;
return(-4) ;
break ;
}
if ( nrow <= 0 || ncol <= 0 ) {
fprintf(stderr, "\n fatal error in InpMtx_randomMatrix"
"\n nrow = %d, ncol = %d\n", nrow, ncol) ;
return(-5) ;
}
switch ( symflag ) {
case SPOOLES_SYMMETRIC :
case SPOOLES_HERMITIAN :
case SPOOLES_NONSYMMETRIC :
break ;
default :
fprintf(stderr, "\n fatal error in InpMtx_randomMatrix"
"\n bad symmetry flag%d\n", symflag) ;
return(-6) ;
break ;
}
if ( symflag == SPOOLES_HERMITIAN && inputMode != SPOOLES_COMPLEX ) {
fprintf(stderr, "\n fatal error in InpMtx_randomMatrix"
"\n symmetryflag is Hermitian, requires complex type\n") ;
return(-7) ;
}
if ( (symflag == SPOOLES_SYMMETRIC || symflag == SPOOLES_HERMITIAN)
&& nrow != ncol ) {
fprintf(stderr, "\n fatal error in InpMtx_randomMatrix"
"\n symmetric or hermitian matrix, nrow %d, ncol%d\n",
nrow, ncol) ;
return(-8) ;
}
if ( nitem < 0 ) {
fprintf(stderr, "\n fatal error in InpMtx_randomMatrix"
"\n nitem = %d\n", nitem) ;
return(-9) ;
}
/*--------------------------------------------------------------------*/
neqns = (nrow <= ncol) ? nrow : ncol ;
if ( nonzerodiag == 1 ) {
nitem += neqns ;
}
/*
---------------------
initialize the object
---------------------
*/
InpMtx_init(mtx, INPMTX_BY_ROWS, inputMode, nitem, 0) ;
/*
----------------
fill the triples
----------------
*/
drand = Drand_new() ;
Drand_setSeed(drand, seed) ;
rowids = IVinit(nitem, -1) ;
colids = IVinit(nitem, -1) ;
if ( nonzerodiag == 1 ) {
IVramp(neqns, rowids, 0, 1) ;
Drand_setUniform(drand, 0, nrow) ;
Drand_fillIvector(drand, nitem - neqns, rowids + neqns) ;
Drand_setUniform(drand, 0, ncol) ;
IVramp(neqns, colids, 0, 1) ;
Drand_fillIvector(drand, nitem - neqns, colids + neqns) ;
} else {
Drand_setUniform(drand, 0, nrow) ;
Drand_fillIvector(drand, nitem, rowids) ;
Drand_setUniform(drand, 0, ncol) ;
Drand_fillIvector(drand, nitem, colids) ;
}
if ( symflag == SPOOLES_SYMMETRIC || symflag == SPOOLES_HERMITIAN ) {
for ( ii = 0 ; ii < nitem ; ii++ ) {
if ( (row = rowids[ii]) > (col = colids[ii]) ) {
rowids[ii] = col ;
colids[ii] = row ;
}
}
}
if ( inputMode == SPOOLES_REAL ) {
dvec = DVinit(nitem, 0.0) ;
Drand_setUniform(drand, 0.0, 1.0) ;
Drand_fillDvector(drand, nitem, dvec) ;
} else if ( inputMode == SPOOLES_COMPLEX ) {
dvec = DVinit(2*nitem, 0.0) ;
Drand_setUniform(drand, 0.0, 1.0) ;
Drand_fillDvector(drand, 2*nitem, dvec) ;
if ( symflag == SPOOLES_HERMITIAN ) {
for ( ii = 0 ; ii < nitem ; ii++ ) {
if ( rowids[ii] == colids[ii] ) {
dvec[2*ii+1] = 0.0 ;
}
}
}
} else {
dvec = NULL ;
}
/*
----------------
load the triples
----------------
*/
switch ( inputMode ) {
case INPMTX_INDICES_ONLY :
InpMtx_inputTriples(mtx, nitem, rowids, colids) ;
break ;
case SPOOLES_REAL :
InpMtx_inputRealTriples(mtx, nitem, rowids, colids, dvec) ;
break ;
case SPOOLES_COMPLEX :
InpMtx_inputComplexTriples(mtx, nitem, rowids, colids, dvec) ;
break ;
}
/*
----------------------------------------
set the coordinate type and storage mode
----------------------------------------
*/
InpMtx_changeCoordType(mtx, coordType) ;
InpMtx_changeStorageMode(mtx, storageMode) ;
/*
------------------------
free the working storage
------------------------
*/
Drand_free(drand) ;
IVfree(rowids) ;
IVfree(colids) ;
if ( dvec != NULL ) {
DVfree(dvec) ;
}
return(1) ; }
