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/* test_norms.c */
#include "../A2.h"
#include "../../timings.h"
/*--------------------------------------------------------------------*/
int
main ( int argc, char *argv[] )
/*
-----------------------
simple test program
created -- 98apr15, cca
-----------------------
*/
{
A2 *A ;
double t1, t2, value ;
FILE *msgFile ;
int inc1, inc2, irow, jcol,
msglvl, nrow, ncol, seed, type ;
if ( argc != 9 ) {
fprintf(stdout,
"\n\n usage : %s msglvl msgFile type nrow ncol inc1 inc2 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 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) ;
}
seed = atoi(argv[7]) ;
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 %% seed = %d"
"\n",
argv[0], msglvl, argv[2], type, nrow, ncol, inc1, inc2, seed) ;
/*
-----------------------------
initialize the matrix objects
-----------------------------
*/
MARKTIME(t1) ;
A = A2_new() ;
A2_init(A, type, nrow, ncol, inc1, inc2, NULL) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n %% CPU : %.3f to initialize matrix object",
t2 - t1) ;
MARKTIME(t1) ;
A2_fillRandomUniform(A, -1, 1, seed) ;
seed++ ;
MARKTIME(t2) ;
fprintf(msgFile,
"\n %% CPU : %.3f to fill matrix with random numbers", t2 - t1) ;
if ( msglvl > 3 ) {
fprintf(msgFile, "\n matrix A") ;
A2_writeForHumanEye(A, msgFile) ;
}
if ( msglvl > 1 ) {
fprintf(msgFile, "\n %% matrix A") ;
A2_writeForMatlab(A, "A", msgFile) ;
}
/*
-------------
get the norms
-------------
*/
value = A2_maxabs(A) ;
fprintf(msgFile, "\n error_maxabs = abs(%20.12e - max(max(abs(A))))",
value) ;
value = A2_frobNorm(A) ;
fprintf(msgFile, "\n error_frob = abs(%20.12e - norm(A, 'fro'))",
value) ;
value = A2_oneNorm(A) ;
fprintf(msgFile, "\n error_one = abs(%20.12e - norm(A, 1))",
value) ;
value = A2_infinityNorm(A) ;
fprintf(msgFile, "\n error_inf = abs(%20.12e - norm(A, inf))",
value) ;
for ( irow = 0 ; irow < nrow ; irow++ ) {
value = A2_infinityNormOfRow(A, irow) ;
fprintf(msgFile,
"\n error_infNormsOfRows(%d) = abs(%20.12e - norm(A(%d,:), inf)) ;",
irow+1, value, irow+1) ;
value = A2_oneNormOfRow(A, irow) ;
fprintf(msgFile,
"\n error_oneNormsOfRows(%d) = abs(%20.12e - norm(A(%d,:), 1)) ;",
irow+1, value, irow+1) ;
value = A2_twoNormOfRow(A, irow) ;
fprintf(msgFile,
"\n error_twoNormsOfRows(%d) = abs(%20.12e - norm(A(%d,:), 2)) ;",
irow+1, value, irow+1) ;
}
for ( jcol = 0 ; jcol < ncol ; jcol++ ) {
value = A2_infinityNormOfColumn(A, jcol) ;
fprintf(msgFile,
"\n error_infNormsOfColumns(%d) = abs(%20.12e - norm(A(:,%d), inf)) ;",
jcol+1, value, jcol+1) ;
value = A2_oneNormOfColumn(A, jcol) ;
fprintf(msgFile,
"\n error_oneNormsOfColumns(%d) = abs(%20.12e - norm(A(:,%d), 1)) ;",
jcol+1, value, jcol+1) ;
value = A2_twoNormOfColumn(A, jcol) ;
fprintf(msgFile,
"\n error_twoNormsOfColumns(%d) = abs(%20.12e - norm(A(:,%d), 2)) ;",
jcol+1, value, jcol+1) ;
}
fprintf(msgFile,
"\n error_in_row_norms = [ max(error_infNormsOfRows) "
"\n max(error_oneNormsOfRows) "
"\n max(error_twoNormsOfRows) ]"
"\n error_in_column_norms = [ max(error_infNormsOfColumns) "
"\n max(error_oneNormsOfColumns) "
"\n max(error_twoNormsOfColumns) ]") ;
fprintf(msgFile, "\n") ;
/*
------------------------
free the working storage
------------------------
*/
A2_free(A) ;
return(1) ; }
/*--------------------------------------------------------------------*/
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