Esempio n. 1
0
  private ScilabType decode(VectorOfDouble vec, ScilabInteger var) {
    final int sizeof;
    long[][] longData = null;
    short[][] shortData = null;
    int[][] intData = null;
    byte[][] byteData = null;

    switch (var.getPrec()) {
      case sci_int64:
      case sci_uint64:
        sizeof = Long.BYTES;
        longData = var.getDataAsLong();
        break;
      case sci_int32:
      case sci_uint32:
        sizeof = Integer.BYTES;
        intData = var.getDataAsInt();
        break;
      case sci_int16:
      case sci_uint16:
        sizeof = Short.BYTES;
        shortData = var.getDataAsShort();
        break;
      case sci_int8:
      case sci_uint8:
        sizeof = Byte.BYTES;
        byteData = var.getDataAsByte();
        break;
      default:
        throw new IllegalArgumentException();
    }

    final int doubleLen = (sizeof * var.getHeight() * var.getWidth()) / Double.BYTES + 1;
    ByteBuffer view = vec.asByteBuffer(position, doubleLen);

    for (int i = 0; i < var.getHeight(); i++) {
      for (int j = 0; j < var.getWidth(); j++) {
        switch (var.getPrec()) {
          case sci_int64:
          case sci_uint64:
            longData[i][j] = view.getLong();
            break;
          case sci_int32:
          case sci_uint32:
            intData[i][j] = view.getInt();
            break;
          case sci_int16:
          case sci_uint16:
            shortData[i][j] = view.getShort();
            break;
          case sci_int8:
          case sci_uint8:
            byteData[i][j] = view.get();
            break;
        }
      }
    }
    position += doubleLen;

    return var;
  }
Esempio n. 2
0
  private void encode(ScilabInteger var, VectorOfDouble vec) {
    // pre-processing: retrieve the raw data per type
    int sizeof;
    long[][] longData = null;
    short[][] shortData = null;
    int[][] intData = null;
    byte[][] byteData = null;
    switch (var.getPrec()) {
      case sci_int64:
      case sci_uint64:
        sizeof = Long.BYTES;
        longData = var.getDataAsLong();
        break;
      case sci_int32:
      case sci_uint32:
        sizeof = Integer.BYTES;
        intData = var.getDataAsInt();
        break;
      case sci_int16:
      case sci_uint16:
        sizeof = Short.BYTES;
        shortData = var.getDataAsShort();
        break;
      case sci_int8:
      case sci_uint8:
        sizeof = Byte.BYTES;
        byteData = var.getDataAsByte();
        break;
      default:
        throw new IllegalArgumentException();
    }

    // Header
    encodeHeader(var, vec, ScilabTypeEnum.sci_ints);

    // push the data on a pre-allocated space
    final int requiredBytes = sizeof * var.getHeight() * var.getWidth();
    final int doubleLen = (requiredBytes + Double.BYTES - 1) / Double.BYTES;
    final int index = vec.size();
    vec.resize(index + doubleLen);
    ByteBuffer view = vec.asByteBuffer(index, doubleLen);

    for (int i = 0; i < var.getHeight(); i++) {
      for (int j = 0; j < var.getWidth(); j++) {
        switch (var.getPrec()) {
          case sci_int64:
          case sci_uint64:
            view.putLong(longData[i][j]);
            break;
          case sci_int32:
          case sci_uint32:
            view.putInt(intData[i][j]);
            break;
          case sci_int16:
          case sci_uint16:
            view.putShort(shortData[i][j]);
            break;
          case sci_int8:
          case sci_uint8:
            view.put(byteData[i][j]);
            break;
        }
      }
    }
  }