Пример #1
0
NBodyStatus nbRunSystemPlain(const NBodyCtx* ctx, NBodyState* st)
{
    NBodyStatus rc = NBODY_SUCCESS;

    rc |= nbGravMap(ctx, st); /* Calculate accelerations for 1st step this episode */
    if (nbStatusIsFatal(rc))
        return rc;

    while (st->step < ctx->nStep)
    {
        nbAddTracePoint(ctx, st);
        nbUpdateDisplayedBodies(ctx, st);
        rc |= nbStepSystemPlain(ctx, st);
        if (nbStatusIsFatal(rc))   /* advance N-body system */
            return rc;

        rc |= nbCheckpoint(ctx, st);
        if (nbStatusIsFatal(rc))
            return rc;

        nbReportProgress(ctx, st);
    }

    if (BOINC_APPLICATION || ctx->checkpointT >= 0)
    {
        mw_report("Making final checkpoint\n");
        if (nbWriteCheckpoint(ctx, st))
        {
            mw_printf("Failed to write final checkpoint\n");
            return NBODY_CHECKPOINT_ERROR;
        }
    }

    return rc;
}
Пример #2
0
NBodyStatus nbStepSystem(const NBodyCtx* ctx, NBodyState* st)
{
  #if NBODY_OPENCL
    if (st->usesCL)
    {
        return nbStepSystemCL(ctx, st);
    }
  #endif

    return nbStepSystemPlain(ctx, st);
}
Пример #3
0
NBodyStatus nbRunSystemPlain(const NBodyCtx* ctx, NBodyState* st)
{
    NBodyStatus rc = NBODY_SUCCESS;

//    rc |= nbGravMap(ctx, st); /* Calculate accelerations for 1st step this episode */
    if (nbStatusIsFatal(rc))
        return rc;

    #ifdef NBODY_BLENDER_OUTPUT
        mkdir("./frames", S_IRWXU | S_IRWXG);
        deleteOldFiles(st);
        mwvector startCmPos;
        mwvector perpendicularCmPos;
        mwvector nextCmPos;
        nbFindCenterOfMass(&startCmPos, st);
        perpendicularCmPos=startCmPos;
        printf("Total frames: %d\n", (int)(ctx->nStep));
    #endif

    while (st->step < ctx->nStep)
    {
        #ifdef NBODY_BLENDER_OUTPUT
            nbFindCenterOfMass(&nextCmPos, st);
            blenderPossiblyChangePerpendicularCmPos(&nextCmPos,&perpendicularCmPos,&startCmPos);
        #endif
        rc |= nbStepSystemPlain(ctx, st);
        if (nbStatusIsFatal(rc))   /* advance N-body system */
            return rc;

        rc |= nbCheckpoint(ctx, st);
        if (nbStatusIsFatal(rc))
            return rc;

        /* We report the progress at step + 1. 0 is the original
           center of mass. */
        nbReportProgress(ctx, st);
        nbUpdateDisplayedBodies(ctx, st);
    }
    
    #ifdef NBODY_BLENDER_OUTPUT
        blenderPrintMisc(st, ctx, startCmPos, perpendicularCmPos);
    #endif

    return nbWriteFinalCheckpoint(ctx, st);
}