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SwRI can revise these Terms at any time * without notice by updating this posting. * * Trademarks * * The SwRI logo is a trademark of SwRI in the United States and other countries. * */ #ident "@(#) adv_tm_ptrs.c 1.18 05/08/19 SwRI" #include "libbase_idfs.h" #include "libVIDF.h" /* for header format comparison */ /******************************************************************************* * * * IR_ADVANCE_TIME_POINTERS SUBROUTINE * * * * DESCRIPTION * * This routine manipulates the two time pointers, time_row and time_col, * * so that the NEXT time sample is pointed to. The values are dependent on * * the SEN_MODE value for the experiment / virtual / extension combination * * being processed. * * * * INPUT VARIABLES * * SDDAS_CHAR full_swp flag that indicates if 1 value is being * * requested or all values for the record (for * * a scalar parameter only) * * * * USAGE * * ir_advance_time_pointers (full_swp) * * * * NECESSARY SUBPROGRAMS * * None * * * * EXTERNAL VARIABLES * * struct general_info structure that holds information concerning * * ginfo the experiment that is being processed * * * * INTERNAL VARIABLES * * reg struct experiment_info a pointer to the structure that holds * * *ex specific experiment information * * reg struct ptr_rec *ptr a pointer to the structure which holds all * * pointers to the header and data for the * * experiment of interest * * SDDAS_ULONG n_sample the number of samples returned for each sensor* * * * SUBSYSTEM * * Display Level * * * ******************************************************************************/ void ir_advance_time_pointers (SDDAS_CHAR full_swp) { extern struct general_info ginfo; register struct experiment_info *ex; register struct ptr_rec *ptr; SDDAS_ULONG n_sample; /***************************************************************************/ /* Set a pointer to the structure which holds all pointers for header and */ /* data information for the experiment currently being processed. */ /***************************************************************************/ ex = ginfo.expt; ptr = ex->info_ptr; if (ex->header_format == ORIGINAL_HEADER) n_sample = *ptr->hdr_fmt1_ptr->N_SAMPLE; /*************************************************************************/ /* CARRIE - Since packing is not allowed and forced parallel timing for */ /* now, setting n_sample to this value is okay since not utilized. */ /*************************************************************************/ else n_sample = ptr->hdr_fmt2_ptr->TENSOR_ELEMENTS; /*************************************************************************/ /* The time increases down the column for this mode. */ /*************************************************************************/ if (ex->sen_mode == 0) { ptr->time_row = (ex->smp_id == 2 && !full_swp) ? ptr->time_row + 1 : ptr->time_row + n_sample; /*********************************************************************/ /* If all rows have been processed, go to the next column of data. */ /*********************************************************************/ if (ptr->time_row >= (int) n_sample) { ptr->time_row = 0; ++ptr->time_col; /*********************************************************************/ /* If all columns have been processed, go to the next sensor set. */ /*********************************************************************/ if (ptr->time_col >= *ptr->N_SEN) { ptr->time_col = 0; ++ptr->cur_sen_set; ptr->chg_sen_set = 1; } } } else if (ex->sen_mode == 1 || ex->sen_mode == 5) { ++ptr->time_col; /*********************************************************************/ /* If all columns have been processed, go to the next sensor set. */ /*********************************************************************/ if (ptr->time_col >= *ptr->N_SEN) { ptr->time_col = 0; ++ptr->cur_sen_set; ptr->chg_sen_set = 1; } } /**************************************************************************/ /* For sen_mode equal to 2 and 6, the data for all sensors are taken at */ /* the same time. */ /**************************************************************************/ else if (ex->sen_mode == 2 || ex->sen_mode == 6) { /*************************************************************************/ /* The time increases from row to row for scalar instruments. */ /*************************************************************************/ if (ex->smp_id == 2) { /*********************************************************************/ /* If a single scalar value is being returned, go to the next row; */ /* otherwise, the whole row has been returned and go to the next */ /* sensor set. */ /*********************************************************************/ ptr->time_row = (!full_swp) ? ptr->time_row + 1 : ptr->time_row + n_sample; /********************************************************************/ /* If all the rows have been processed, go to the next sensor set. */ /********************************************************************/ if (ptr->time_row >= (int) n_sample) { ptr->time_row = 0; ++ptr->cur_sen_set; ptr->chg_sen_set = 1; } } /*************************************************************************/ /* Since all rows are returned at once, advance to the next sensor set. */ /*************************************************************************/ else { ++ptr->cur_sen_set; ptr->chg_sen_set = 1; } } /**************************************************************************/ /* For sen_mode equal to 3 and 7, all data for all sensors for all */ /* samples are taken at the same time, so advance to the next sensor set.*/ /**************************************************************************/ else if (ex->sen_mode == 3 || ex->sen_mode == 7) { ++ptr->cur_sen_set; ptr->chg_sen_set = 1; } /*************************************************************************/ /* Only other option is sen_mode == 4. The time increases across the */ /* row for this mode. Time sampling is different for scalar and */ /* sweeping instrument (data is laid down differently). */ /*************************************************************************/ else { ++ptr->time_col; /******************************************************************/ /* If all the columns have been processed, go to the next row of */ /* data. */ /******************************************************************/ if (ptr->time_col >= *ptr->N_SEN) { ptr->time_col = 0; ptr->time_row = (ex->smp_id == 2 && !full_swp) ? ptr->time_row + 1 : ptr->time_row + n_sample; /*********************************************************************/ /* If all rows have been processed, go to the next sensor set. */ /*********************************************************************/ if (ptr->time_row >= (int) n_sample) { ptr->time_row = 0; ++ptr->cur_sen_set; ptr->chg_sen_set = 1; } } } }