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bundled/tools/src/tui_engine.c  view on Meta::CPAN

static int double_cmp(const void *a, const void *b) {
    double da = *(const double *)a;
    double db = *(const double *)b;
    if (isnan(da)) return isnan(db) ? 0 : 1;
    if (isnan(db)) return -1;
    if (da < db) return -1;
    if (da > db) return 1;
    return 0;
}

static bool tui_engine_check_and_autorange_locked(tui_engine_t *eng) {
    if (!eng || !eng->auto_range || !eng->live_1d || eng->reservoir.count < 50) {
        return false;
    }

    double now = get_time_now_sec();
    if (now - eng->last_autorange_time_sec < 1.0) {
        return false;
    }

    double in_range_w = histo_total_weight(eng->live_1d);

bundled/tools/src/tui_engine.c  view on Meta::CPAN

    eng->live_1d = new_h;

    free(tmp_x);
    free(tmp_w);
    return true;
}

bool tui_engine_check_and_autorange(tui_engine_t *eng) {
    if (!eng) return false;
    histo_mutex_lock(&eng->mutex);
    bool changed = tui_engine_check_and_autorange_locked(eng);
    histo_mutex_unlock(&eng->mutex);
    return changed;
}

void tui_engine_set_autorange(tui_engine_t *eng, bool enable, double threshold) {
    if (!eng) return;
    histo_mutex_lock(&eng->mutex);
    eng->auto_range = enable;
    if (threshold > 0.0) eng->auto_range_threshold = threshold;
    histo_mutex_unlock(&eng->mutex);
}

histo_t *tui_engine_get_snapshot_1d(tui_engine_t *eng) {
    if (!eng) return NULL;
    histo_mutex_lock(&eng->mutex);
    tui_engine_check_and_autorange_locked(eng);
    histo_t *snap = eng->live_1d ? histo_clone(eng->live_1d, false) : NULL;
    histo_mutex_unlock(&eng->mutex);
    return snap;
}

histo2d_t *tui_engine_get_snapshot_2d(tui_engine_t *eng) {
    if (!eng) return NULL;
    histo_mutex_lock(&eng->mutex);
    histo2d_t *snap = eng->live_2d ? histo2d_clone(eng->live_2d, false) : NULL;
    histo_mutex_unlock(&eng->mutex);