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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 "@(#) trans_point.c 1.7 05/08/19 SwRI" #include "user_defs.h" #include "ret_codes.h" #include "libtrec_idfs.h" /******************************************************************************* * * * IR_TRANSFER_POINT_DISC SUBROUTINE * * * * DESCRIPTION * * This routine is called in order to transfer discontinuous data from the * * temporary data matrices into the buffers being returned. This routine * * handles the case of VARIABLE_SWEEP processing, with POINT storage, where * * there are NUM_BINS bins in the buffer, which is <= the number of elements * * in the temporary matrices. The bin to which each element is mappped to is * * determined using the center sweep values. The discontinuous matrices are * * reset as the data is copied into the buffer of interest. This is done * * since boundary crossings are caught within a single buffer, not across * * buffers. This routine processes one data level (unit of data). * * * * INPUT VARIABLES * * SDDAS_SHORT sensor the sensor being processed * * SDDAS_LONG offset_disc offset to get to the unit being processed * * for the discontinuous data matrices * * SDDAS_LONG offset_ret offset to get to the unit being processed * * for the buffer of interest * * SDDAS_FLOAT *dptr pointer to the discontinuous data * * SDDAS_FLOAT *tfrac pointer to the normalization factors for * * the discontinuous data * * SDDAS_FLOAT *last_data pointer to the last_data array for the * * discontinuous data * * SDDAS_FLOAT *ret_data pointer to the buffer data * * SDDAS_FLOAT *ret_frac pointer to the normalization factors for the* * buffer * * SDDAS_CHAR *bin_stat pointer to the bin status values for the * * discontinuous data * * SDDAS_CHAR *cross_bound pointer to the boundary crossing flags for * * the discontinuous data * * SDDAS_CHAR *ret_stat pointer to the bin status values for the * * buffer * * SDDAS_SHORT num_disc the number of elements in the discontinuous * * data matrix * * SDDAS_SHORT num_buf number of bins for the buffer of interest * * * * USAGE * * ir_transfer_point_disc (sensor, offset_disc, &dptr, &tfrac, &bin_stat, * * &last_data, &cross_bound, offset_ret, &ret_data, * * &ret_frac, &ret_stat, num_disc, num_buf) * * * * NECESSARY SUBPROGRAMS * * ir_point_discontinuous () transfers the discontinuous data to the * * bins for the buffer of interest for POINT * * storage * * * * EXTERNAL VARIABLES * * None * * * * INTERNAL VARIABLES * * reg SDDAS_FLOAT *ddata, fast pointers for looping * * *dfrac, *rdata, *rfrac * * reg SDDAS_CHAR *dstat, *rstat fast pointers for looping * * SDDAS_FLOAT *stop_loop loop termination variable * * SDDAS_FLOAT *lval pointer to last_data values * * SDDAS_FLOAT temp_val temporary storage variable * * SDDAS_CHAR *cb pointer to boundary crossing flags * * * * SUBSYSTEM * * Display Level * * * ******************************************************************************/ void ir_transfer_point_disc (SDDAS_SHORT sensor, SDDAS_LONG offset_disc, SDDAS_FLOAT *dptr, SDDAS_FLOAT *tfrac, SDDAS_CHAR *bin_stat, SDDAS_FLOAT *last_data, SDDAS_CHAR *cross_bound, SDDAS_LONG offset_ret, SDDAS_FLOAT *ret_data, SDDAS_FLOAT *ret_frac, SDDAS_CHAR *ret_stat, SDDAS_SHORT num_disc, SDDAS_SHORT num_buf) { register SDDAS_FLOAT *ddata, *dfrac, *rdata, *rfrac; register SDDAS_CHAR *dstat, *rstat; SDDAS_FLOAT *stop_loop, *lval, temp_val; SDDAS_CHAR *cb; /***********************************************************************/ /* Set pointers to the discontinous data. */ /***********************************************************************/ ddata = dptr + offset_disc; dfrac = tfrac + offset_disc; dstat = bin_stat + offset_disc; lval = last_data + offset_disc; cb = cross_bound + offset_disc; /***********************************************************************/ /* Set pointers to the buffer to be processed. */ /***********************************************************************/ rdata = ret_data + offset_ret; rfrac = ret_frac + offset_ret; rstat = ret_stat + offset_ret; /********************************************************************/ /* Before the data is placed in the buffer, normalize the data. */ /********************************************************************/ stop_loop = ddata + num_disc; for (; ddata < stop_loop; ++ddata, ++dfrac, ++dstat) { if (*dstat != 0) { temp_val = *ddata / *dfrac; *dfrac = 1.0; /**************************************************************/ /* Make sure data is within bounds. */ /**************************************************************/ if (temp_val > 180.0) *ddata = temp_val - 360.0; else if (temp_val < -180.0) *ddata = 360.0 + temp_val; else *ddata = temp_val; } } /********************************************************************/ /* Transfer the discontinous data into the buffer of interest. */ /********************************************************************/ ddata = dptr + offset_disc; dfrac = tfrac + offset_disc; dstat = bin_stat + offset_disc; ir_point_discontinuous (num_disc, ddata, dfrac, dstat, num_buf, rdata, rfrac, rstat, sensor); /********************************************************************/ /* Reset the discontinuous arrays. */ /********************************************************************/ stop_loop = ddata + num_disc; for (; ddata < stop_loop; ++ddata, ++dfrac, ++dstat, ++lval, ++cb) { *ddata = OUTSIDE_MIN; *dfrac = 0.0; *dstat = 0; *lval = OUTSIDE_MIN; *cb = 0; } }