pyNgSpice/src/xspice/evt/evtaccept.c

/*============================================================================
FILE    EVTaccept.c

MEMBER OF process XSPICE

Copyright 1991
Georgia Tech Research Corporation
Atlanta, Georgia 30332
All Rights Reserved

PROJECT A-8503

AUTHORS

    9/12/91  Bill Kuhn

MODIFICATIONS

    <date> <person name> <nature of modifications>

SUMMARY

    This file contains a function called at the end of a
    successful (accepted) analog timepoint.  It saves pointers
    to the states of the queues and data at this accepted time.

INTERFACES

    void EVTaccept(CKTcircuit *ckt, double time)

REFERENCED FILES

    None.

NON-STANDARD FEATURES

    None.

============================================================================*/

/*=== INCLUDE FILES ===*/

#include <config.h>
#include <stdio.h>
#include "cktdefs.h"

#include "mif.h"
#include "evt.h"
#include "evtproto.h"



/*
EVTaccept()

This function is called at the end of a successful (accepted)
analog timepoint.  It saves pointers to the states of the
queues and data at this accepted time.
*/



void EVTaccept(
    CKTcircuit *ckt,    /* main circuit struct */
    double     time)    /* time at which analog soln was accepted */
{

    int         i;
    int         index;
    int         num_modified;

    Evt_Inst_Queue_t    *inst_queue;
    Evt_Output_Queue_t  *output_queue;

    Evt_Node_Data_t     *node_data;
    Evt_State_Data_t    *state_data;
    Evt_Msg_Data_t      *msg_data;


    /* Exit if no event instances */
    if(ckt->evt->counts.num_insts == 0)
        return;

    /* Get often used pointers */
    inst_queue = &(ckt->evt->queue.inst);
    output_queue = &(ckt->evt->queue.output);

    node_data = ckt->evt->data.node;
    state_data = ckt->evt->data.state;
    msg_data = ckt->evt->data.msg;


    /* Process the inst queue */
    num_modified = inst_queue->num_modified;
    /* Loop through list of items modified since last time */
    for(i = 0; i < num_modified; i++) {
        /* Get the index of the inst modified */
        index = inst_queue->modified_index[i];
        /* Update last_step for this index */
        inst_queue->last_step[index] = inst_queue->current[index];
        /* Reset the modified flag */
        inst_queue->modified[index] = MIF_FALSE;
    }
    /* Record the new last_time and reset number modified to zero */
    inst_queue->last_time = time;
    inst_queue->num_modified = 0;


    /* Process the output queue */
    num_modified = output_queue->num_modified;
    /* Loop through list of items modified since last time */
    for(i = 0; i < num_modified; i++) {
        /* Get the index of the output modified */
        index = output_queue->modified_index[i];
        /* Update last_step for this index */
        output_queue->last_step[index] = output_queue->current[index];
        /* Reset the modified flag */
        output_queue->modified[index] = MIF_FALSE;
    }
    /* Record the new last_time and reset number modified to zero */
    output_queue->last_time = time;
    output_queue->num_modified = 0;


    /* Process the node data */
    num_modified = node_data->num_modified;
    /* Loop through list of items modified since last time */
    for(i = 0; i < num_modified; i++) {
        /* Get the index of the node modified */
        index = node_data->modified_index[i];
        /* Update last_step for this index */
        node_data->last_step[index] = node_data->tail[index];
        /* Reset the modified flag */
        node_data->modified[index] = MIF_FALSE;
    }
    /* Reset number modified to zero */
    node_data->num_modified = 0;


    /* Process the state data */
    num_modified = state_data->num_modified;
    /* Loop through list of items modified since last time */
    for(i = 0; i < num_modified; i++) {
        /* Get the index of the state modified */
        index = state_data->modified_index[i];
        /* Update last_step for this index */
        state_data->last_step[index] = state_data->tail[index];
        /* Reset the modified flag */
        state_data->modified[index] = MIF_FALSE;
    }
    /* Reset number modified to zero */
    state_data->num_modified = 0;


    /* Process the msg data */
    num_modified = msg_data->num_modified;
    /* Loop through list of items modified since last time */
    for(i = 0; i < num_modified; i++) {
        /* Get the index of the msg modified */
        index = msg_data->modified_index[i];
        /* Update last_step for this index */
        msg_data->last_step[index] = msg_data->tail[index];
        /* Reset the modified flag */
        msg_data->modified[index] = MIF_FALSE;
    }
    /* Reset number modified to zero */
    msg_data->num_modified = 0;

} /* EVTaccept */