#include "mrilib.h" int main( int argc , char *argv[] ) { int nfl , ii , ct ; char *sspec ; NI_element *nel ; NI_stream ns ; float *flar ; if( argc < 3 || strcmp(argv[1],"-help") == 0 ){ printf("Usage: nimel N streamspec\n") ; exit(0) ; } nfl = strtol( argv[1] , NULL , 10) ; if( nfl < 1 ) nfl = 100000 ; sspec = argv[2] ; ns = NI_stream_open( sspec , "w" ) ; if( ns == NULL ){ fprintf(stderr,"NI_stream_open fails\n"); exit(1); } nel = NI_new_data_element( "Tester" , nfl ) ; flar = (float *)malloc(sizeof(float)*nfl) ; for( ii=0 ; ii < nfl ; ii++ ) flar[ii] = (float)ii ; NI_add_column( nel , NI_FLOAT , flar ) ; free((void *)flar) ; while(1){ ii = NI_stream_writecheck( ns , 666 ) ; if( ii == 1 ){ fprintf(stderr,"!\n") ; break ; } if( ii < 0 ){ fprintf(stderr,"BAD writecheck\n"); exit(1); } fprintf(stderr,".") ; } ct = NI_clock_time() ; NI_write_element( ns , nel , NI_BINARY_MODE ) ; NI_stream_closenow( ns ) ; ct = NI_clock_time() - ct ; fprintf(stderr,"Wrote %d floats in %d ms\n",nfl,ct) ; exit(0) ; }