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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 "@(#) mode_buf.c 1.8 05/08/19 SwRI" #include "user_defs.h" #include "libtrec_idfs.h" /**************************************************************************** * * * IR_MODE_BUFFER SUBROUTINE * * * * DESCRIPTION * * This routine is called in order to stuff data into the data buffers * * returned by FILL_MODE_DATA(). Since there is only one value per mode, * * the buffers are only one value in length. * * * * INPUT VARIABLES * * reg SDDAS_FLOAT *smnmx lower and upper data cutoff values * * SDDAS_FLOAT time_frac percentage of the time resolution covered * * by the sweep * * SDDAS_LONG offset_unit offset used to get to correct data level * * sub-buffer in the data array * * SDDAS_FLOAT *dptr pointer to the data array * * SDDAS_FLOAT *tfrac pointer to the normalization factors * * SDDAS_CHAR *bin_stat pointer to the bin status array * * SDDAS_FLOAT *tmp_buf pointer to the converted data levels * * * * USAGE * * ir_mode_buffer(smnmx, time_frac, offset_unit, &dptr, &tfrac,&bin_stat,* * &tmp_buf) * * * * NECESSARY SUBPROGRAMS * * None * * * * EXTERNAL VARIABLES * * None * * * * INTERNAL VARIABLES * * reg SDDAS_FLOAT *data_ptr fast float pointer to data array returned * * register SDDAS_FLOAT *norm fast float pointer to normalization factors* * register SDDAS_CHAR *ret_stat fast char pointer to bin status array * * * * SUBSYSTEM * * Display Level * * * ***************************************************************************/ void ir_mode_buffer (register SDDAS_FLOAT *smnmx, SDDAS_FLOAT time_frac, SDDAS_LONG offset_unit, SDDAS_FLOAT *dptr, SDDAS_FLOAT *tfrac, SDDAS_CHAR *bin_stat, SDDAS_FLOAT *tmp_buf) { register SDDAS_FLOAT *data_ptr, *norm; register SDDAS_CHAR *ret_stat; /****************************************************************/ /* Initialize fast pointers. */ /****************************************************************/ ret_stat = bin_stat + offset_unit; data_ptr = dptr + offset_unit; norm = tfrac + offset_unit; /****************************************************************/ /* Include only data values that fall within the cutoff range. */ /* TMP_BUF[0] holds the data in converted units. */ /****************************************************************/ if (*tmp_buf >= *smnmx && *tmp_buf <= *(smnmx + 1)) { if (*ret_stat == 0) { *data_ptr = *tmp_buf * time_frac; *ret_stat = 1; *norm = time_frac; } else { *data_ptr += *tmp_buf * time_frac; *norm += time_frac; } } /**************************************************/ /* Value is a "fill" value? Simply ignore. */ /**************************************************/ else if (*tmp_buf < VALID_MIN) return; /*****************************************************************/ /* If data was found but was excluded because of cutoff values, */ /* set the data value to a flagged value to indicate that the */ /* bin was returned (not missing). This is done if NO previous */ /* data has been placed into this bin. */ /*****************************************************************/ else if (*ret_stat == 0) *data_ptr = OUTSIDE_MAX; }