/*--------------------------------------------------------------------*/
int
main ( int argc, char *argv[] )
/*
-------------------------------------
test the Chv_r1upd() method.
the program's output is a matlab file
to check correctness of the code.
created -- 98apr30, cca
-------------------------------------
*/
{
Chv *chv ;
double imag, real, t1, t2 ;
double *entries ;
Drand *drand ;
FILE *msgFile ;
int ii, irow, jcol, msglvl, ncol, nD, nent, nL, nrow, nU,
rc, seed, symflag, tag, type ;
int *colind, *rowind ;
if ( argc != 8 ) {
fprintf(stdout,
"\n\n usage : %s msglvl msgFile nD nU type symflag seed "
"\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 --> hermitian"
"\n 1 --> symmetric"
"\n 2 --> nonsymmetric "
"\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) ;
}
nD = atoi(argv[3]) ;
nU = atoi(argv[4]) ;
type = atoi(argv[5]) ;
symflag = atoi(argv[6]) ;
seed = atoi(argv[7]) ;
fprintf(msgFile, "\n %% testChv:"
"\n %% msglvl = %d"
"\n %% msgFile = %s"
"\n %% nD = %d"
"\n %% nU = %d"
"\n %% type = %d"
"\n %% symflag = %d"
"\n %% seed = %d",
msglvl, argv[2], nD, nU, type, symflag, seed) ;
nL = nU ;
/*
-----------------------------
check for errors in the input
-----------------------------
*/
if ( nD <= 0 || nL < 0 || nU < 0
|| symflag < 0 || symflag > 3 ) {
fprintf(stderr, "\n invalid input"
"\n nD = %d, nL = %d, nU = %d, symflag = %d\n",
nD, nL, nU, symflag) ;
exit(-1) ;
}
if ( symflag <= 2 && nL != nU ) {
fprintf(stderr, "\n invalid input"
"\n symflag = %d, nL = %d, nU = %d", symflag, nL, nU) ;
exit(-1) ;
}
/*
--------------------------------------
initialize the random number generator
--------------------------------------
*/
drand = Drand_new() ;
Drand_init(drand) ;
Drand_setSeed(drand, seed) ;
Drand_setNormal(drand, 0.0, 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) ;
IVramp(ncol, colind, 0, 1) ;
if ( CHV_IS_NONSYMMETRIC(chv) ) {
Chv_rowIndices(chv, &nrow, &rowind) ;
IVramp(nrow, rowind, 0, 1) ;
}
/*
------------------------------------
load the entries with random entries
------------------------------------
*/
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) ) {
for ( irow = 0 ; irow < nD ; irow++ ) {
Chv_complexEntry(chv, irow, irow, &real, &imag) ;
Chv_setComplexEntry(chv, irow, irow, real, 0.0) ;
}
}
fprintf(msgFile, "\n %% matrix entries") ;
Chv_writeForMatlab(chv, "a", msgFile) ;
/*
---------------------------------------
write out matlab code for rank-1 update
---------------------------------------
*/
fprintf(msgFile,
"\n nD = %d ;"
"\n nL = %d ;"
"\n nU = %d ;"
"\n nrow = nD + nL ;"
"\n ncol = nD + nU ;"
"\n b = a ; "
"\n d = a(1,1) ;"
"\n l = a(2:nrow,1) / d ; "
"\n u = a(1,2:ncol) ; "
"\n b(2:nrow,2:ncol) = a(2:nrow,2:ncol) - l * u ; "
"\n u = u / d ; "
"\n b(1,1) = d ; "
"\n b(1,2:ncol) = u ; "
"\n b(2:nrow,1) = l ; ",
nD, nL, nU) ;
if ( nL > 0 && nU > 0 ) {
fprintf(msgFile, "\n b(nD+1:nrow,nD+1:ncol) = 0.0 ;") ;
}
/*
-------------------------
perform the rank-1 update
-------------------------
*/
rc = Chv_r1upd(chv) ;
/*
fprintf(msgFile, "\n raw entries vector") ;
DVfprintf(msgFile, 2*nent, entries) ;
*/
fprintf(msgFile, "\n %% matrix entries after update") ;
Chv_writeForMatlab(chv, "c", msgFile) ;
fprintf(msgFile, "\n maxerr = max(max(abs(c-b)))") ;
/*
------------------------
free the working storage
------------------------
*/
Chv_free(chv) ;
Drand_free(drand) ;
fprintf(msgFile, "\n") ;
return(1) ; }
/*--------------------------------------------------------------------*/
int
main ( int argc, char *argv[] )
/*
------------------------------------
test the copyEntriesToVector routine
created -- 98may01, cca,
------------------------------------
*/
{
Chv *chvJ, *chvI ;
double imag, real, t1, t2 ;
double *dvec, *entries ;
Drand *drand ;
FILE *msgFile ;
int count, first, ierr, ii, iilast, ipivot, irow, jcol, jj,
jjlast, maxnent, mm, msglvl, ncol, nD, nent, nentD, nentL,
nentL11, nentL21, nentU, nentU11, nentU12, nL, npivot, nrow,
nU, pivotingflag, seed, storeflag, symflag, total, type ;
int *colind, *pivotsizes, *rowind ;
if ( argc != 10 ) {
fprintf(stdout,
"\n\n usage : %s msglvl msgFile nD nU type symflag "
"\n pivotingflag storeflag seed"
"\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 --> nonsymmetric"
"\n pivotingflag -- pivoting flag"
"\n if symflag = 1 and pivotingflag = 1 then"
"\n construct pivotsizes[] vector"
"\n endif"
"\n storeflag -- flag to denote how to store entries"
"\n 0 --> store by rows"
"\n 1 --> store by columns"
"\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) ;
}
nD = atoi(argv[3]) ;
nU = atoi(argv[4]) ;
type = atoi(argv[5]) ;
symflag = atoi(argv[6]) ;
pivotingflag = atoi(argv[7]) ;
storeflag = atoi(argv[8]) ;
seed = atoi(argv[9]) ;
if ( msglvl > 0 ) {
switch ( storeflag ) {
case 0 : fprintf(msgFile, "\n\n %% STORE BY ROWS") ; break ;
case 1 : fprintf(msgFile, "\n\n %% STORE BY COLUMNS") ; break ;
default :
fprintf(stderr, "\n bad value %d for storeflag", storeflag) ;
break ;
}
}
nL = nU ;
if ( symflag == SPOOLES_NONSYMMETRIC ) {
pivotingflag = 0 ;
}
/*
--------------------------------------
initialize the random number generator
--------------------------------------
*/
drand = Drand_new() ;
Drand_init(drand) ;
Drand_setNormal(drand, 0.0, 1.0) ;
Drand_setSeed(drand, seed) ;
/*
--------------------------
initialize the chvJ object
--------------------------
*/
MARKTIME(t1) ;
chvJ = Chv_new() ;
Chv_init(chvJ, 0, nD, nL, nU, type, symflag) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to initialize matrix objects",
t2 - t1) ;
nent = Chv_nent(chvJ) ;
entries = Chv_entries(chvJ) ;
if ( CHV_IS_REAL(chvJ) ) {
Drand_fillDvector(drand, nent, entries) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
Drand_fillDvector(drand, 2*nent, entries) ;
}
Chv_columnIndices(chvJ, &ncol, &colind) ;
IVramp(ncol, colind, 0, 1) ;
if ( CHV_IS_NONSYMMETRIC(chvJ) ) {
Chv_rowIndices(chvJ, &nrow, &rowind) ;
IVramp(nrow, rowind, 0, 1) ;
}
if ( msglvl > 3 ) {
fprintf(msgFile, "\n %% chevron a") ;
Chv_writeForMatlab(chvJ, "a", msgFile) ;
fflush(msgFile) ;
}
/*
--------------------------
initialize the chvI object
--------------------------
*/
MARKTIME(t1) ;
chvI = Chv_new() ;
Chv_init(chvI, 0, nD, nL, nU, type, symflag) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to initialize matrix objects",
t2 - t1) ;
Chv_zero(chvI) ;
Chv_columnIndices(chvI, &ncol, &colind) ;
IVramp(ncol, colind, 0, 1) ;
if ( CHV_IS_NONSYMMETRIC(chvI) ) {
Chv_rowIndices(chvI, &nrow, &rowind) ;
IVramp(nrow, rowind, 0, 1) ;
}
if ( symflag == 0 && pivotingflag == 1 ) {
/*
------------------------------
create the pivotsizes[] vector
------------------------------
*/
Drand_setUniform(drand, 1, 2.999) ;
pivotsizes = IVinit(nD, 0) ;
Drand_fillIvector(drand, nD, pivotsizes) ;
/*
fprintf(msgFile, "\n initial pivotsizes[] : ") ;
IVfp80(msgFile, nD, pivotsizes, 80, &ierr) ;
*/
for ( npivot = count = 0 ; npivot < nD ; npivot++ ) {
count += pivotsizes[npivot] ;
if ( count > nD ) {
pivotsizes[npivot]-- ;
count-- ;
}
if ( count == nD ) {
break ;
}
}
npivot++ ;
/*
fprintf(msgFile, "\n final pivotsizes[] : ") ;
IVfp80(msgFile, npivot, pivotsizes, 80, &ierr) ;
*/
} else {
npivot = 0 ;
pivotsizes = NULL ;
}
/*
--------------------------------------------------
first test: copy lower, diagonal and upper entries
--------------------------------------------------
*/
if ( CHV_IS_NONSYMMETRIC(chvJ) ) {
nentL = Chv_countEntries(chvJ, npivot, pivotsizes, CHV_STRICT_LOWER);
} else {
nentL = 0 ;
}
nentD = Chv_countEntries(chvJ, npivot, pivotsizes, CHV_DIAGONAL) ;
nentU = Chv_countEntries(chvJ, npivot, pivotsizes, CHV_STRICT_UPPER) ;
maxnent = nentL ;
if ( maxnent < nentD ) { maxnent = nentD ; }
if ( maxnent < nentU ) { maxnent = nentU ; }
if ( CHV_IS_REAL(chvJ) ) {
dvec = DVinit(maxnent, 0.0) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
dvec = DVinit(2*maxnent, 0.0) ;
}
if ( CHV_IS_NONSYMMETRIC(chvJ) ) {
/*
--------------------------------------
copy the entries in the lower triangle,
then move into the chvI object
--------------------------------------
*/
nent = Chv_copyEntriesToVector(chvJ, npivot, pivotsizes, maxnent,
dvec, CHV_STRICT_LOWER, storeflag) ;
if ( nent != nentL ) {
fprintf(stderr, "\n error: nentL = %d, nent = %d", nentL, nent) ;
exit(-1) ;
}
if ( storeflag == 0 ) {
for ( irow = 0, mm = 0 ; irow < nrow ; irow++ ) {
jjlast = (irow < nD) ? irow - 1 : nD - 1 ;
for ( jj = 0 ; jj <= jjlast ; jj++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, jj, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ;
imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, jj, real, imag) ;
}
}
}
} else {
for ( jcol = 0, mm = 0 ; jcol < nD ; jcol++ ) {
for ( irow = jcol + 1 ; irow < nrow ; irow++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
/*
fprintf(msgFile, "\n %% mm = %d, a(%d,%d) = %20.12e + %20.12e*i",
mm, irow, jcol, real, imag) ;
*/
Chv_setComplexEntry(chvI, irow, jcol, real, imag) ;
}
}
}
}
}
/*
---------------------------------------
copy the entries in the diagonal matrix
then move into the chvI object
---------------------------------------
*/
nent = Chv_copyEntriesToVector(chvJ, npivot, pivotsizes, maxnent,
dvec, CHV_DIAGONAL, storeflag) ;
if ( nent != nentD ) {
fprintf(stderr, "\n error: nentD = %d, nent = %d", nentD, nent) ;
exit(-1) ;
}
if ( pivotsizes == NULL ) {
for ( jcol = 0, mm = 0 ; jcol < nD ; jcol++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, jcol, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, jcol, jcol, real, imag) ;
}
}
} else {
for ( ipivot = irow = mm = 0 ; ipivot < npivot ; ipivot++ ) {
if ( pivotsizes[ipivot] == 1 ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, irow, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, irow, real, imag) ;
}
mm++ ; irow++ ;
} else {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, irow, real) ;
mm++ ;
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, irow+1, real) ;
mm++ ;
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow+1, irow+1, real) ;
mm++ ;
irow += 2 ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, irow, real, imag) ;
mm++ ;
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, irow+1, real, imag) ;
mm++ ;
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow+1, irow+1, real, imag) ;
mm++ ;
irow += 2 ;
}
}
}
}
/*
--------------------------------------
copy the entries in the upper triangle,
then move into the chvI object
--------------------------------------
*/
nent = Chv_copyEntriesToVector(chvJ, npivot, pivotsizes, maxnent,
dvec, CHV_STRICT_UPPER, storeflag) ;
if ( nent != nentU ) {
fprintf(stderr, "\n error: nentU = %d, nent = %d", nentU, nent) ;
exit(-1) ;
}
if ( storeflag == 1 ) {
if ( pivotsizes == NULL ) {
for ( jcol = mm = 0 ; jcol < ncol ; jcol++ ) {
iilast = (jcol < nD) ? jcol - 1 : nD - 1 ;
for ( ii = 0 ; ii <= iilast ; ii++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, ii, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, ii, jcol, real, imag) ;
}
}
}
} else {
for ( ipivot = jcol = mm = 0 ; ipivot < npivot ; ipivot++ ) {
iilast = jcol - 1 ;
for ( ii = 0 ; ii <= iilast ; ii++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, ii, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, ii, jcol, real, imag) ;
}
}
jcol++ ;
if ( pivotsizes[ipivot] == 2 ) {
for ( ii = 0 ; ii <= iilast ; ii++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, ii, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, ii, jcol, real, imag) ;
}
}
jcol++ ;
}
}
for ( jcol = nD ; jcol < ncol ; jcol++ ) {
for ( irow = 0 ; irow < nD ; irow++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, jcol, real, imag) ;
}
}
}
}
} else {
if ( pivotsizes == NULL ) {
for ( irow = mm = 0 ; irow < nD ; irow++ ) {
for ( jcol = irow + 1 ; jcol < ncol ; jcol++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, jcol, real, imag) ;
}
}
}
} else {
for ( ipivot = irow = mm = 0 ; ipivot < npivot ; ipivot++ ) {
if ( pivotsizes[ipivot] == 1 ) {
for ( jcol = irow + 1 ; jcol < ncol ; jcol++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, jcol, real, imag) ;
}
}
irow++ ;
} else {
for ( jcol = irow + 2 ; jcol < ncol ; jcol++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, jcol, real, imag) ;
}
}
for ( jcol = irow + 2 ; jcol < ncol ; jcol++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow+1, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow+1, jcol, real, imag) ;
}
}
irow += 2 ;
}
}
}
}
if ( msglvl > 3 ) {
fprintf(msgFile, "\n %% chevron b") ;
Chv_writeForMatlab(chvI, "b", msgFile) ;
fprintf(msgFile,
"\n\n emtx1 = abs(a - b) ; enorm1 = max(max(emtx1))") ;
fflush(msgFile) ;
}
DVfree(dvec) ;
/*
-----------------------------------------------------
second test: copy lower (1,1), lower (2,1), diagonal,
upper(1,1) and upper(1,2) blocks
-----------------------------------------------------
*/
if ( CHV_IS_NONSYMMETRIC(chvJ) ) {
nentL11 = Chv_countEntries(chvJ, npivot, pivotsizes,
CHV_STRICT_LOWER_11) ;
nentL21 = Chv_countEntries(chvJ, npivot, pivotsizes,
CHV_LOWER_21) ;
} else {
nentL11 = 0 ;
nentL21 = 0 ;
}
nentD = Chv_countEntries(chvJ, npivot, pivotsizes, CHV_DIAGONAL) ;
nentU11 = Chv_countEntries(chvJ, npivot, pivotsizes,
CHV_STRICT_UPPER_11) ;
nentU12 = Chv_countEntries(chvJ, npivot, pivotsizes,
CHV_UPPER_12) ;
maxnent = nentL11 ;
if ( maxnent < nentL21 ) { maxnent = nentL21 ; }
if ( maxnent < nentD ) { maxnent = nentD ; }
if ( maxnent < nentU11 ) { maxnent = nentU11 ; }
if ( maxnent < nentU12 ) { maxnent = nentU12 ; }
fprintf(msgFile,
"\n %% nentL11 = %d, nentL21 = %d"
"\n %% nentD = %d, nentU11 = %d, nentU12 = %d",
nentL11, nentL21, nentD, nentU11, nentU12) ;
if ( CHV_IS_REAL(chvJ) ) {
dvec = DVinit(maxnent, 0.0) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
dvec = DVinit(2*maxnent, 0.0) ;
}
Chv_zero(chvI) ;
if ( CHV_IS_NONSYMMETRIC(chvJ) ) {
/*
------------------------------------------
copy the entries in the lower (1,1) block,
then move into the chvI object
------------------------------------------
*/
nent = Chv_copyEntriesToVector(chvJ, npivot, pivotsizes, maxnent,
dvec, CHV_STRICT_LOWER_11, storeflag) ;
if ( nent != nentL11 ) {
fprintf(stderr, "\n error: nentL = %d, nent = %d", nentL, nent) ;
exit(-1) ;
}
if ( storeflag == 0 ) {
for ( irow = 0, mm = 0 ; irow < nD ; irow++ ) {
jjlast = (irow < nD) ? irow - 1 : nD - 1 ;
for ( jj = 0 ; jj <= jjlast ; jj++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, jj, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, jj, real, imag) ;
}
}
}
} else {
for ( jcol = 0, mm = 0 ; jcol < nD ; jcol++ ) {
for ( irow = jcol + 1 ; irow < nD ; irow++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, jcol, real, imag) ;
}
}
}
}
/*
------------------------------------------
copy the entries in the lower (2,1) block,
then move into the chvI object
------------------------------------------
*/
nent = Chv_copyEntriesToVector(chvJ, npivot, pivotsizes, maxnent,
dvec, CHV_LOWER_21, storeflag);
if ( nent != nentL21 ) {
fprintf(stderr, "\n error: nentL21 = %d, nent = %d",
nentL21, nent) ;
exit(-1) ;
}
if ( storeflag == 0 ) {
for ( irow = nD, mm = 0 ; irow < nrow ; irow++ ) {
for ( jcol = 0 ; jcol < nD ; jcol++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, jcol, real, imag) ;
}
}
}
} else {
for ( jcol = 0, mm = 0 ; jcol < nD ; jcol++ ) {
for ( irow = nD ; irow < nrow ; irow++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, jcol, real, imag) ;
}
}
}
}
}
/*
---------------------------------------
copy the entries in the diagonal matrix
then move into the chvI object
---------------------------------------
*/
nent = Chv_copyEntriesToVector(chvJ, npivot, pivotsizes, maxnent,
dvec, CHV_DIAGONAL, storeflag) ;
if ( nent != nentD ) {
fprintf(stderr, "\n error: nentD = %d, nent = %d", nentD, nent) ;
exit(-1) ;
}
if ( pivotsizes == NULL ) {
for ( jcol = 0, mm = 0 ; jcol < nD ; jcol++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, jcol, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, jcol, jcol, real, imag) ;
}
}
} else {
for ( ipivot = irow = mm = 0 ; ipivot < npivot ; ipivot++ ) {
if ( pivotsizes[ipivot] == 1 ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, irow, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, irow, real, imag) ;
}
mm++ ; irow++ ;
} else {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, irow, real) ;
mm++ ;
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, irow+1, real) ;
mm++ ;
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow+1, irow+1, real) ;
mm++ ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, irow, real, imag) ;
mm++ ;
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, irow+1, real, imag) ;
mm++ ;
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow+1, irow+1, real, imag) ;
mm++ ;
}
irow += 2 ;
}
}
}
/*
-----------------------------------------
copy the entries in the upper (1,1) block
then move into the chvI object
-----------------------------------------
*/
nent = Chv_copyEntriesToVector(chvJ, npivot, pivotsizes, maxnent,
dvec, CHV_STRICT_UPPER_11, storeflag) ;
if ( nent != nentU11 ) {
fprintf(stderr, "\n error: nentU11 = %d, nent = %d", nentU11, nent) ;
exit(-1) ;
}
if ( storeflag == 1 ) {
if ( pivotsizes == NULL ) {
for ( jcol = mm = 0 ; jcol < nD ; jcol++ ) {
iilast = (jcol < nD) ? jcol - 1 : nD - 1 ;
for ( ii = 0 ; ii <= iilast ; ii++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, ii, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, ii, jcol, real, imag) ;
}
}
}
} else {
for ( ipivot = jcol = mm = 0 ; ipivot < npivot ; ipivot++ ) {
iilast = jcol - 1 ;
for ( ii = 0 ; ii <= iilast ; ii++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, ii, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, ii, jcol, real, imag) ;
}
}
jcol++ ;
if ( pivotsizes[ipivot] == 2 ) {
for ( ii = 0 ; ii <= iilast ; ii++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, ii, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, ii, jcol, real, imag) ;
}
}
jcol++ ;
}
}
}
} else {
if ( pivotsizes == NULL ) {
for ( irow = mm = 0 ; irow < nD ; irow++ ) {
for ( jcol = irow + 1 ; jcol < nD ; jcol++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, jcol, real, imag) ;
}
}
}
} else {
for ( ipivot = irow = mm = 0 ; ipivot < npivot ; ipivot++ ) {
if ( pivotsizes[ipivot] == 1 ) {
for ( jcol = irow + 1 ; jcol < nD ; jcol++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, jcol, real, imag) ;
}
}
irow++ ;
} else {
for ( jcol = irow + 2 ; jcol < nD ; jcol++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, jcol, real, imag) ;
}
}
for ( jcol = irow + 2 ; jcol < nD ; jcol++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow+1, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow+1, jcol, real, imag) ;
}
}
irow += 2 ;
}
}
}
}
/*
-----------------------------------------
copy the entries in the upper (1,2) block
then move into the chvI object
-----------------------------------------
*/
nent = Chv_copyEntriesToVector(chvJ, npivot, pivotsizes, maxnent,
dvec, CHV_UPPER_12, storeflag) ;
if ( nent != nentU12 ) {
fprintf(stderr, "\n error: nentU12 = %d, nent = %d", nentU12, nent) ;
exit(-1) ;
}
if ( storeflag == 1 ) {
for ( jcol = nD, mm = 0 ; jcol < ncol ; jcol++ ) {
for ( irow = 0 ; irow < nD ; irow++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, jcol, real, imag) ;
}
}
}
} else {
for ( irow = mm = 0 ; irow < nD ; irow++ ) {
for ( jcol = nD ; jcol < ncol ; jcol++, mm++ ) {
if ( CHV_IS_REAL(chvJ) ) {
real = dvec[mm] ;
Chv_setRealEntry(chvI, irow, jcol, real) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
real = dvec[2*mm] ; imag = dvec[2*mm+1] ;
Chv_setComplexEntry(chvI, irow, jcol, real, imag) ;
}
}
}
}
if ( msglvl > 3 ) {
fprintf(msgFile, "\n %% chevron b") ;
Chv_writeForMatlab(chvI, "b", msgFile) ;
fprintf(msgFile,
"\n\n emtx2 = abs(a - b) ; enorm2 = max(max(emtx2))") ;
fprintf(msgFile, "\n\n [ enorm1 enorm2]") ;
fflush(msgFile) ;
}
/*
------------------------
free the working storage
------------------------
*/
if ( pivotsizes != NULL ) {
IVfree(pivotsizes) ;
}
Chv_free(chvJ) ;
Chv_free(chvI) ;
Drand_free(drand) ;
DVfree(dvec) ;
fprintf(msgFile, "\n") ;
return(1) ; }
/*--------------------------------------------------------------------*/
int
main ( int argc, char *argv[] )
/*
------------------------------------
test the Chv_assembleChv() method.
created -- 98apr18, cca
------------------------------------
*/
{
Chv *chvI, *chvJ ;
double imag, real, t1, t2 ;
double *entriesI, *entriesJ ;
Drand *drand ;
FILE *msgFile ;
int ierr, ii, irow, jcol,
lastcol, msglvl, ncolI, ncolJ, nDI, nDJ, nentI, nentJ,
nrowI, nrowJ, nUI, nUJ, seed, symflag, type ;
int *colindI, *colindJ, *rowindI, *rowindJ, *temp ;
if ( argc != 10 ) {
fprintf(stdout,
"\n\n usage : %s msglvl msgFile nDJ nUJ nDI nUI type symflag seed "
"\n msglvl -- message level"
"\n msgFile -- message file"
"\n nDJ -- # of rows and columns in the (1,1) block"
"\n nUJ -- # of columns in the (1,2) block"
"\n nDI -- # of rows and columns in the (1,1) block"
"\n nUI -- # 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", 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) ;
}
nDJ = atoi(argv[3]) ;
nUJ = atoi(argv[4]) ;
nDI = atoi(argv[5]) ;
nUI = atoi(argv[6]) ;
type = atoi(argv[7]) ;
symflag = atoi(argv[8]) ;
seed = atoi(argv[9]) ;
if ( nDJ <= 0 || nUJ < 0
|| nDI <= 0 || nUI < 0
|| nDI >= nDJ || (nDI + nUI) >= (nDJ + nUJ)
|| nUI >= (nDJ + nUJ - nDI)
|| ( symflag != SPOOLES_SYMMETRIC
&& symflag != SPOOLES_HERMITIAN
&& symflag != SPOOLES_NONSYMMETRIC) ) {
fprintf(stderr, "\n invalid input"
"\n nDJ = %d, nUJ = %d, nDI = %d, nUI = %d, symflag = %d\n",
nDJ, nUJ, nDI, nUI, symflag) ;
exit(-1) ;
}
/*
--------------------------------------
initialize the random number generator
--------------------------------------
*/
drand = Drand_new() ;
Drand_init(drand) ;
Drand_setSeed(drand, seed) ;
Drand_setUniform(drand, -1.0, 1.0) ;
/*
----------------------------
initialize the ChvJ object
----------------------------
*/
MARKTIME(t1) ;
chvJ = Chv_new() ;
Chv_init(chvJ, 0, nDJ, nUJ, nUJ, type, symflag) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to initialize chv object",
t2 - t1) ;
fflush(msgFile) ;
Chv_columnIndices(chvJ, &ncolJ, &colindJ) ;
temp = IVinit(2*(nDJ+nUJ), -1) ;
IVramp(2*(nDJ+nUJ), temp, 0, 1) ;
IVshuffle(2*(nDJ+nUJ), temp, ++seed) ;
IVcopy(ncolJ, colindJ, temp) ;
IVfree(temp) ;
IVqsortUp(ncolJ, colindJ) ;
if ( CHV_IS_NONSYMMETRIC(chvJ) ) {
Chv_rowIndices(chvJ, &nrowJ, &rowindJ) ;
IVcopy(nrowJ, rowindJ, colindJ) ;
}
if ( msglvl > 2 ) {
fprintf(msgFile, "\n %% column indices") ;
IVfprintf(msgFile, ncolJ, colindJ) ;
}
lastcol = colindJ[ncolJ-1] ;
nentJ = Chv_nent(chvJ) ;
entriesJ = Chv_entries(chvJ) ;
if ( CHV_IS_REAL(chvJ) ) {
Drand_fillDvector(drand, nentJ, entriesJ) ;
} else if ( CHV_IS_COMPLEX(chvJ) ) {
Drand_fillDvector(drand, 2*nentJ, entriesJ) ;
}
if ( CHV_IS_HERMITIAN(chvJ) ) {
/*
---------------------------------------------------------
hermitian example, set imaginary part of diagonal to zero
---------------------------------------------------------
*/
for ( irow = 0 ; irow < nDJ ; irow++ ) {
Chv_complexEntry(chvJ, irow, irow, &real, &imag) ;
Chv_setComplexEntry(chvJ, irow, irow, real, 0.0) ;
}
}
/*
---------------------------
initialize the ChvI object
---------------------------
*/
chvI = Chv_new() ;
Chv_init(chvI, 0, nDI, nUI, nUI, type, symflag) ;
Chv_columnIndices(chvI, &ncolI, &colindI) ;
temp = IVinit(ncolJ, -1) ;
IVramp(ncolJ, temp, 0, 1) ;
while ( 1 ) {
IVshuffle(ncolJ, temp, ++seed) ;
IVqsortUp(ncolI, temp) ;
if ( temp[0] < nDJ ) {
break ;
}
}
for ( ii = 0 ; ii < ncolI ; ii++ ) {
colindI[ii] = colindJ[temp[ii]] ;
}
IVfree(temp) ;
if ( CHV_IS_NONSYMMETRIC(chvI) ) {
Chv_rowIndices(chvI, &nrowI, &rowindI) ;
IVcopy(nrowI, rowindI, colindI) ;
}
nentI = Chv_nent(chvI) ;
entriesI = Chv_entries(chvI) ;
if ( CHV_IS_REAL(chvI) ) {
Drand_fillDvector(drand, nentI, entriesI) ;
} else if ( CHV_IS_COMPLEX(chvI) ) {
Drand_fillDvector(drand, 2*nentI, entriesI) ;
}
if ( CHV_IS_HERMITIAN(chvI) ) {
/*
---------------------------------------------------------
hermitian example, set imaginary part of diagonal to zero
---------------------------------------------------------
*/
for ( irow = 0 ; irow < nDI ; irow++ ) {
Chv_complexEntry(chvI, irow, irow, &real, &imag) ;
Chv_setComplexEntry(chvI, irow, irow, real, 0.0) ;
}
}
/*
--------------------------------------------------
write out the two chevron objects to a matlab file
--------------------------------------------------
*/
if ( msglvl > 1 ) {
fprintf(msgFile, "\n a = zeros(%d,%d) ;", lastcol+1, lastcol+1) ;
Chv_writeForMatlab(chvJ, "a", msgFile) ;
fprintf(msgFile, "\n b = zeros(%d,%d) ;", lastcol+1, lastcol+1) ;
Chv_writeForMatlab(chvI, "b", msgFile) ;
}
/*
---------------------------------------------
assemble the chvI object into the chvJ object
---------------------------------------------
*/
Chv_assembleChv(chvJ, chvI) ;
if ( msglvl > 1 ) {
fprintf(msgFile, "\n %% after assembly") ;
fprintf(msgFile, "\n c = zeros(%d,%d) ;", lastcol+1, lastcol+1) ;
Chv_writeForMatlab(chvJ, "c", msgFile) ;
}
/*
-----------------
compute the error
-----------------
*/
fprintf(msgFile, "\n max(max(abs(c - (b + a))))") ;
/*
------------------------
free the working storage
------------------------
*/
Chv_free(chvJ) ;
Chv_free(chvI) ;
Drand_free(drand) ;
fprintf(msgFile, "\n") ;
return(1) ; }
/*--------------------------------------------------------------------*/
int
main ( int argc, char *argv[] )
/*
-------------------------------------
test the Chv_update{H,S,N}() methods.
T := T - U^T * D * U
T := T - U^H * D * U
T := T - L * D * U
created -- 98apr23, cca
-------------------------------------
*/
{
Chv *chvT ;
SubMtx *mtxD, *mtxL, *mtxU ;
double imag, ops, real, t1, t2 ;
Drand *drand ;
DV *tempDV ;
FILE *msgFile ;
int irow, msglvl, ncolT, nDT, ncolU, nentT, nentU, nrowD,
nrowL, nrowT, offset, seed, size, sparsityflag, symflag, type ;
int *colindT, *colindU, *ivec, *rowindL, *rowindT ;
if ( argc != 13 ) {
fprintf(stdout,
"\n\n usage : %s msglvl msgFile type symflag sparsityflag"
"\n ncolT ncolU nrowD nentU offset seed"
"\n msglvl -- message level"
"\n msgFile -- message file"
"\n type -- entries type"
"\n 1 -- real"
"\n 2 -- complex"
"\n symflag -- type of matrix U"
"\n 0 -- symmetric"
"\n 1 -- hermitian"
"\n 2 -- nonsymmetric"
"\n sparsityflag -- dense or sparse"
"\n 0 -- dense"
"\n 1 -- sparse"
"\n ncolT -- # of rows and columns in matrix T"
"\n nDT -- # of internal rows and columns in matrix T"
"\n ncolU -- # of rows and columns in matrix U"
"\n nrowD -- # of rows and columns in matrix D"
"\n nentU -- # of entries in matrix U"
"\n offset -- distance between D_I and T"
"\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]) ;
symflag = atoi(argv[4]) ;
sparsityflag = atoi(argv[5]) ;
ncolT = atoi(argv[6]) ;
nDT = atoi(argv[7]) ;
ncolU = atoi(argv[8]) ;
nrowD = atoi(argv[9]) ;
nentU = atoi(argv[10]) ;
offset = atoi(argv[11]) ;
seed = atoi(argv[12]) ;
fprintf(msgFile, "\n %% %s:"
"\n %% msglvl = %d"
"\n %% msgFile = %s"
"\n %% type = %d"
"\n %% symflag = %d"
"\n %% sparsityflag = %d"
"\n %% ncolT = %d"
"\n %% nDT = %d"
"\n %% ncolU = %d"
"\n %% nrowD = %d"
"\n %% nentU = %d"
"\n %% offset = %d"
"\n %% seed = %d",
argv[0], msglvl, argv[2], type, symflag, sparsityflag,
ncolT, nDT, ncolU, nrowD, nentU, offset, seed) ;
/*
-----------------------------
check for errors in the input
-----------------------------
*/
if ( (type != SPOOLES_REAL
&& type != SPOOLES_COMPLEX)
|| (symflag != SPOOLES_SYMMETRIC
&& symflag != SPOOLES_HERMITIAN
&& symflag != SPOOLES_NONSYMMETRIC)
|| (sparsityflag < 0 || sparsityflag > 1)
|| ncolT <= 0 || ncolU > (ncolT + offset) || nrowD <= 0 ) {
fprintf(stderr, "\n invalid input\n") ;
spoolesFatal();
}
/*
--------------------------------------
initialize the random number generator
--------------------------------------
*/
drand = Drand_new() ;
Drand_init(drand) ;
Drand_setSeed(drand, ++seed) ;
Drand_setNormal(drand, 0.0, 1.0) ;
/*
-----------------------
get a vector of indices
-----------------------
*/
size = nrowD + offset + ncolT ;
ivec = IVinit(size, -1) ;
IVramp(size, ivec, 0, 1) ;
/*
----------------------------
initialize the T Chv object
----------------------------
*/
fprintf(msgFile, "\n\n %% symflag = %d", symflag) ;
MARKTIME(t1) ;
chvT = Chv_new() ;
Chv_init(chvT, 0, nDT, ncolT - nDT, ncolT - nDT, type, symflag) ;
nentT = Chv_nent(chvT) ;
if ( CHV_IS_REAL(chvT) ) {
Drand_fillDvector(drand, nentT, Chv_entries(chvT)) ;
} else if ( CHV_IS_COMPLEX(chvT) ) {
Drand_fillDvector(drand, 2*nentT, Chv_entries(chvT)) ;
}
Chv_columnIndices(chvT, &ncolT, &colindT) ;
IVcopy(ncolT, colindT, ivec + nrowD + offset) ;
if ( CHV_IS_NONSYMMETRIC(chvT) ) {
Chv_rowIndices(chvT, &nrowT, &rowindT) ;
IVcopy(nrowT, rowindT, colindT) ;
}
IVfree(ivec) ;
if ( CHV_IS_HERMITIAN(chvT) ) {
fprintf(msgFile, "\n\n %% hermitian\n") ;
/*
---------------------------------------------------------
hermitian example, set imaginary part of diagonal to zero
---------------------------------------------------------
*/
for ( irow = 0 ; irow < nDT ; irow++ ) {
Chv_complexEntry(chvT, irow, irow, &real, &imag) ;
Chv_setComplexEntry(chvT, irow, irow, real, 0.0) ;
}
}
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to initialize chvT Chv object",
t2 - t1) ;
fprintf(msgFile, "\n T = zeros(%d,%d); ", size, size) ;
Chv_writeForMatlab(chvT, "T", msgFile) ;
/*
---------------------------
initialize the D Mtx object
---------------------------
*/
MARKTIME(t1) ;
mtxD = SubMtx_new() ;
if ( CHV_IS_REAL(chvT) ) {
if ( CHV_IS_SYMMETRIC(chvT) ) {
SubMtx_initRandom(mtxD, SPOOLES_REAL, SUBMTX_BLOCK_DIAGONAL_SYM,
0, 0, nrowD, nrowD, nrowD*nrowD, ++seed) ;
} else {
SubMtx_initRandom(mtxD, SPOOLES_REAL, SUBMTX_DIAGONAL,
0, 0, nrowD, nrowD, nrowD*nrowD, ++seed) ;
}
} else if ( CHV_IS_COMPLEX(chvT) ) {
if ( CHV_IS_HERMITIAN(chvT) ) {
SubMtx_initRandom(mtxD,SPOOLES_COMPLEX,SUBMTX_BLOCK_DIAGONAL_HERM,
0, 0, nrowD, nrowD, nrowD*nrowD, ++seed) ;
} else if ( CHV_IS_SYMMETRIC(chvT) ) {
SubMtx_initRandom(mtxD,SPOOLES_COMPLEX, SUBMTX_BLOCK_DIAGONAL_SYM,
0, 0, nrowD, nrowD, nrowD*nrowD, ++seed) ;
} else {
SubMtx_initRandom(mtxD, SPOOLES_COMPLEX, SUBMTX_DIAGONAL,
0, 0, nrowD, nrowD, nrowD*nrowD, ++seed) ;
}
}
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to initialize D SubMtx object",
t2 - t1) ;
fprintf(msgFile, "\n D = zeros(%d,%d) ;", nrowD, nrowD) ;
SubMtx_writeForMatlab(mtxD, "D", msgFile) ;
/*
----------------------------
initialize the U SubMtx object
----------------------------
*/
MARKTIME(t1) ;
mtxU = SubMtx_new() ;
if ( CHV_IS_REAL(chvT) ) {
if ( sparsityflag == 0 ) {
SubMtx_initRandom(mtxU, SPOOLES_REAL, SUBMTX_DENSE_COLUMNS,
0, 0, nrowD, ncolU, nentU, ++seed) ;
} else {
SubMtx_initRandom(mtxU, SPOOLES_REAL, SUBMTX_SPARSE_COLUMNS,
0, 0, nrowD, ncolU, nentU, ++seed) ;
}
} else if ( CHV_IS_COMPLEX(chvT) ) {
if ( sparsityflag == 0 ) {
SubMtx_initRandom(mtxU, SPOOLES_COMPLEX, SUBMTX_DENSE_COLUMNS,
0, 0, nrowD, ncolU, nentU, ++seed) ;
} else {
SubMtx_initRandom(mtxU, SPOOLES_COMPLEX, SUBMTX_SPARSE_COLUMNS,
0, 0, nrowD, ncolU, nentU, ++seed) ;
}
}
ivec = IVinit(offset + ncolT, -1) ;
IVramp(offset + ncolT, ivec, nrowD, 1) ;
IVshuffle(offset + ncolT, ivec, ++seed) ;
SubMtx_columnIndices(mtxU, &ncolU, &colindU) ;
IVcopy(ncolU, colindU, ivec) ;
IVqsortUp(ncolU, colindU) ;
IVfree(ivec) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to initialize U SubMtx object",
t2 - t1) ;
fprintf(msgFile, "\n U = zeros(%d,%d) ;", nrowD, size) ;
SubMtx_writeForMatlab(mtxU, "U", msgFile) ;
if ( CHV_IS_NONSYMMETRIC(chvT) ) {
/*
----------------------------
initialize the L SubMtx object
----------------------------
*/
MARKTIME(t1) ;
mtxL = SubMtx_new() ;
if ( CHV_IS_REAL(chvT) ) {
if ( sparsityflag == 0 ) {
SubMtx_initRandom(mtxL, SPOOLES_REAL, SUBMTX_DENSE_ROWS,
0, 0, ncolU, nrowD, nentU, ++seed) ;
} else {
SubMtx_initRandom(mtxL, SPOOLES_REAL, SUBMTX_SPARSE_ROWS,
0, 0, ncolU, nrowD, nentU, ++seed) ;
}
} else if ( CHV_IS_COMPLEX(chvT) ) {
if ( sparsityflag == 0 ) {
SubMtx_initRandom(mtxL, SPOOLES_COMPLEX, SUBMTX_DENSE_ROWS,
0, 0, ncolU, nrowD, nentU, ++seed) ;
} else {
SubMtx_initRandom(mtxL, SPOOLES_COMPLEX, SUBMTX_SPARSE_ROWS,
0, 0, ncolU, nrowD, nentU, ++seed) ;
}
}
SubMtx_rowIndices(mtxL, &nrowL, &rowindL) ;
IVcopy(nrowL, rowindL, colindU) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to initialize L SubMtx object",
t2 - t1) ;
fprintf(msgFile, "\n L = zeros(%d,%d) ;", size, nrowD) ;
SubMtx_writeForMatlab(mtxL, "L", msgFile) ;
} else {
mtxL = NULL ;
}
/*
--------------------------------
compute the matrix-matrix update
--------------------------------
*/
tempDV = DV_new() ;
ops = 8*nrowD*nrowD*ncolU ;
if ( CHV_IS_SYMMETRIC(chvT) ) {
Chv_updateS(chvT, mtxD, mtxU, tempDV) ;
} else if ( CHV_IS_HERMITIAN(chvT) ) {
Chv_updateH(chvT, mtxD, mtxU, tempDV) ;
} else if ( CHV_IS_NONSYMMETRIC(chvT) ) {
Chv_updateN(chvT, mtxL, mtxD, mtxU, tempDV) ;
}
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to compute m-m, %.3f mflops",
t2 - t1, ops*1.e-6/(t2 - t1)) ;
if ( msglvl > 1 ) {
fprintf(msgFile, "\n\n %% Z Chv object") ;
fprintf(msgFile, "\n Z = zeros(%d,%d); ", size, size) ;
Chv_writeForMatlab(chvT, "Z", msgFile) ;
fflush(msgFile) ;
}
/*
-----------------
check with matlab
-----------------
*/
if ( msglvl > 1 ) {
if ( CHV_IS_HERMITIAN(chvT) ) {
fprintf(msgFile, "\n\n B = ctranspose(U) * D * U ;") ;
} else if ( CHV_IS_SYMMETRIC(chvT) ) {
fprintf(msgFile, "\n\n B = transpose(U) * D * U ;") ;
} else {
fprintf(msgFile, "\n\n B = L * D * U ;") ;
}
fprintf(msgFile,
"\n\n for irow = 1:%d"
"\n for jcol = 1:%d"
"\n if T(irow,jcol) ~= 0.0"
"\n T(irow,jcol) = T(irow,jcol) - B(irow,jcol) ;"
"\n end"
"\n end"
"\n end"
"\n emtx = abs(Z - T) ;",
size, size) ;
fprintf(msgFile, "\n\n maxabs = max(max(emtx)) ") ;
fflush(msgFile) ;
}
/*
------------------------
free the working storage
------------------------
*/
if ( mtxL != NULL ) {
SubMtx_free(mtxL) ;
}
Chv_free(chvT) ;
SubMtx_free(mtxD) ;
SubMtx_free(mtxU) ;
DV_free(tempDV) ;
Drand_free(drand) ;
fprintf(msgFile, "\n") ;
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 Chv_findPivot(), swap and update methods.
the program's output is a matlab file
to check correctness of the code.
created -- 98jan24, cca
---------------------------------------------------
*/
{
Chv *chv ;
double imag, real, tau, t1, t2 ;
double *entries ;
Drand *drand ;
DV *workDV ;
FILE *msgFile ;
int icol, ii, ipvt, irow, jcol, jpvt, jrow, msglvl, ncol, nD,
ndelay, nent, nL, nrow, ntest, nU, rc, pivotsize, seed,
symflag, tag, temp, type ;
int *colind, *rowind ;
if ( argc != 9 ) {
fprintf(stdout,
"\n\n usage : %s msglvl msgFile nD nU type symflag seed tau "
"\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 tau -- bound on magnitudes of factor entries"
"\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]) ;
tau = atof(argv[8]) ;
fprintf(msgFile, "\n %% testChv:"
"\n %% msglvl = %d"
"\n %% msgFile = %s"
"\n %% nD = %d"
"\n %% nU = %d"
"\n %% type = %d"
"\n %% symflag = %d"
"\n %% seed = %d"
"\n %% tau = %12.4e",
msglvl, argv[2], nD, nU, type, symflag, seed, tau) ;
nL = nU ;
nrow = nD + nL ;
ncol = nD + nU ;
/*
-----------------------------
check for errors in the input
-----------------------------
*/
if ( nD <= 0 || nU < 0
|| (symflag != SPOOLES_SYMMETRIC
&& symflag != SPOOLES_HERMITIAN
&& symflag != SPOOLES_NONSYMMETRIC) ) {
fprintf(stderr, "\n invalid input"
"\n nD = %d, nL = %d, nU = %d, symflag = %d\n",
nD, nL, nU, symflag) ;
exit(-1) ;
}
if ( (symflag == SPOOLES_SYMMETRIC || symflag == SPOOLES_HERMITIAN)
&& nL != nU ) {
fprintf(stderr, "\n invalid input"
"\n symflag = %d, nL = %d, nU = %d", symflag, nL, nU) ;
exit(-1) ;
}
fprintf(msgFile,
"\n nD = %d ;"
"\n nL = %d ;"
"\n nU = %d ;"
"\n nrow = nD + nL ;"
"\n ncol = nD + nU ;",
nD, nL, nU) ;
/*
--------------------------------------
initialize the random number generator
--------------------------------------
*/
drand = Drand_new() ;
Drand_init(drand) ;
Drand_setSeed(drand, seed) ;
Drand_setNormal(drand, 0.0, 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) ;
IVramp(ncol, colind, 0, 1) ;
if ( CHV_IS_NONSYMMETRIC(chv) ) {
Chv_rowIndices(chv, &nrow, &rowind) ;
IVramp(nrow, rowind, 0, 1) ;
}
/*
------------------------------------
load the entries with random entries
------------------------------------
*/
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 ( msglvl > 4 ) {
fprintf(msgFile, "\n raw entries vector") ;
DVfprintf(msgFile, 2*nent, entries) ;
fflush(msgFile) ;
}
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) ;
}
}
fprintf(msgFile, "\n %% matrix entries") ;
Chv_writeForMatlab(chv, "a", msgFile) ;
/*
------------
find a pivot
------------
*/
workDV = DV_new() ;
ndelay = 0 ;
ntest = 0 ;
pivotsize = Chv_findPivot(chv, workDV, tau, ndelay,
&irow, &jcol, &ntest) ;
fprintf(msgFile, "\n\n %% pivotsize = %d", pivotsize) ;
ipvt = irow ;
jpvt = jcol ;
if ( (symflag == SPOOLES_SYMMETRIC || symflag == SPOOLES_HERMITIAN)
&& irow > jcol ) {
temp = irow ;
irow = jcol ;
jcol = temp ;
}
fprintf(msgFile, "\n\n irow = %d ; \n jcol = %d ;", irow+1, jcol+1) ;
/*
-------------------------
swap the rows and columns
-------------------------
*/
if ( pivotsize == 0 ) {
exit(0) ;
} else if ( pivotsize == 1 ) {
fprintf(msgFile,
"\n b = a ;"
"\n xtemp = b(irow,:) ;"
"\n b(irow,:) = b(1,:) ;"
"\n b(1,:) = xtemp ;"
"\n xtemp = b(:,jcol) ;"
"\n b(:,jcol) = b(:,1) ;"
"\n b(:,1) = xtemp ;") ;
if ( CHV_IS_SYMMETRIC(chv) || symflag == CHV_IS_HERMITIAN(chv) ) {
Chv_swapRowsAndColumns(chv, 0, irow) ;
} else {
Chv_swapRows(chv, 0, irow) ;
Chv_swapColumns(chv, 0, jcol) ;
}
} else if ( pivotsize == 2 ) {
if ( symflag < 2 ) {
fprintf(msgFile,
"\n b = a ;"
"\n xtemp = b(irow,:) ;"
"\n b(irow,:) = b(1,:) ;"
"\n b(1,:) = xtemp ;"
"\n xtemp = b(:,irow) ;"
"\n b(:,irow) = b(:,1) ;"
"\n b(:,1) = xtemp ;"
"\n xtemp = b(jcol,:) ;"
"\n b(jcol,:) = b(2,:) ;"
"\n b(2,:) = xtemp ;"
"\n xtemp = b(:,jcol) ;"
"\n b(:,jcol) = b(:,2) ;"
"\n b(:,2) = xtemp ;") ;
Chv_swapRowsAndColumns(chv, 0, irow) ;
Chv_swapRowsAndColumns(chv, 1, jcol) ;
} else {
fprintf(stderr, "\n fatal error, symflag = %d, pvtsize = %d",
symflag, pivotsize) ;
exit(-1) ;
}
}
/*
-----------------------------------------
check that the swap was executed properly
-----------------------------------------
*/
fprintf(msgFile, "\n %% matrix entries") ;
Chv_writeForMatlab(chv, "c", msgFile) ;
fprintf(msgFile, "\n maxerrswap = norm(c - a)") ;
/*
---------------------------
ramp the indices once again
---------------------------
*/
IVramp(ncol, colind, 0, 1) ;
if ( CHV_IS_NONSYMMETRIC(chv) ) {
Chv_rowIndices(chv, &nrow, &rowind) ;
IVramp(nrow, rowind, 0, 1) ;
}
/*
-----------------------------------
perform the rank-1 or rank-2 update
-----------------------------------
*/
fprintf(msgFile, "\n\n ckeep = b ;") ;
fprintf(msgFile, "\n\n c = b ;") ;
if ( pivotsize == 1 ) {
rc = Chv_r1upd(chv) ;
fprintf(msgFile,
"\n\n d = c(1,1) ;"
"\n l = c(2:nrow,1)/d ;"
"\n u = c(1,2:ncol) ;") ;
if ( nD > 1 ) {
fprintf(msgFile,
"\n c(2:nrow,2:ncol) = c(2:nrow,2:ncol) - l*u ;") ;
}
fprintf(msgFile,
"\n u = u / d ;"
"\n c(1:1,1:1) = d ; "
"\n c(1:1,2:ncol) = u ; "
"\n c(2:ncol,1:1) = l ; ") ;
fprintf(msgFile, "\n c(nD+1:nrow,nD+1:ncol) = 0 ;") ;
} else {
rc = Chv_r2upd(chv) ;
fprintf(msgFile,
"\n\n d = c(1:2,1:2) ;"
"\n l = c(3:nrow,1:2) / d ;"
"\n u = c(1:2,3:ncol) ;") ;
if ( nD > 2 ) {
fprintf(msgFile,
"\n c(3:nrow,3:ncol) = c(3:nrow,3:ncol) - l*u ;") ;
}
fprintf(msgFile,
"\n u = d \\ u ; "
"\n c(1:2,1:2) = d ; "
"\n c(1:2,3:ncol) = u ; "
"\n c(3:ncol,1:2) = l ; ") ;
if ( nU > 0 ) {
fprintf(msgFile,
"\n c(nD+1:nrow,nD+1:ncol) = 0 ;") ;
}
}
fprintf(msgFile, "\n %% matrix entries after update") ;
Chv_writeForMatlab(chv, "f", msgFile) ;
fprintf(msgFile, "\n maxerrupd = norm(f - c)") ;
/*
------------------------------------------------------
check out the maximum magnitude of elements in l and u
------------------------------------------------------
*/
fprintf(msgFile, "\n ipvt = %d", ipvt + 1) ;
fprintf(msgFile, "\n jpvt = %d", jpvt + 1) ;
fprintf(msgFile, "\n pivotsize = %d", pivotsize) ;
fprintf(msgFile, "\n tau = %12.4e", tau) ;
if ( symflag < 2 ) {
fprintf(msgFile, "\n ubound = max(max(abs(u))) ") ;
} else {
fprintf(msgFile,
"\n lbound = max(max(abs(l))) "
"\n ubound = max(max(abs(u))) ") ;
}
/*
------------------------
free the working storage
------------------------
*/
Chv_free(chv) ;
Drand_free(drand) ;
DV_free(workDV) ;
fprintf(msgFile, "\n") ;
return(1) ; }