* Returns the {@code Inet4Address} corresponding to a given {@code BigInteger}.
   *
   * @param address BigInteger representing the IPv4 address
   * @return Inet4Address representation of the given BigInteger
   * @throws IllegalArgumentException if the BigInteger is not between 0 and 2^32-1
   * @since 28.2
   */
  public static Inet4Address fromIPv4BigInteger(BigInteger address) {

    long significand = doubleToRawLongBits(x) & SIGNIFICAND_MASK;
    return longBitsToDouble(significand | ONE_BITS);
  }

  static double bigToDouble(BigInteger x) {
    // This is an extremely fast implementation of BigInteger.doubleValue(). JDK patch pending.
    BigInteger absX = x.abs();
    int exponent = absX.bitLength() - 1;
    // exponent == floor(log2(abs(x)))
    if (exponent < Long.SIZE - 1) {
      return x.longValue();

                if ( !pvno.getValue().equals(new BigInteger(KerberosConstants.KERBEROS_VERSION)) ) {
                    throw new PACDecodingException("Invalid kerberos version");
                }
                break;
            case 1:
                ASN1Integer msgType = ASN1Util.as(ASN1Integer.class, tagged);
                if ( !msgType.getValue().equals(new BigInteger(KerberosConstants.KERBEROS_AP_REQ)) )

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.tls.internal.der

import java.math.BigInteger
import java.security.GeneralSecurityException
import java.security.PublicKey
import java.security.Signature
import java.security.SignatureException
import java.security.cert.CertificateFactory

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.tls.internal.der

import java.math.BigInteger
import okio.Buffer
import okio.BufferedSink
import okio.ByteString

internal class DerWriter(sink: BufferedSink) {
  /** A stack of buffers that will be concatenated once we know the length of each. */

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.convert;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.text.DecimalFormatSymbols;
import java.util.Locale;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.text.DecimalFormatSymbolsUtil;

/**
 * {@link Number}用の変換ユーティリティです。
 *

import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;

import java.lang.reflect.Method;
import java.math.BigInteger;
import junit.framework.TestCase;

/**
 * Tests for {@link DoubleUtils}.
 *
 * @author Louis Wasserman
 */
public class DoubleUtilsTest extends TestCase {

      tagClass = DerHeader.TAG_CLASS_UNIVERSAL,
      tag = 2L,
      codec =
        object : BasicDerAdapter.Codec<BigInteger> {
          override fun decode(reader: DerReader): BigInteger = reader.readBigInteger()

          override fun encode(
            writer: DerWriter,
            value: BigInteger,
          ) = writer.writeBigInteger(value)
        },
    )

  val BIT_STRING =
    BasicDerAdapter(

import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;

import java.lang.reflect.Method;
import java.math.BigInteger;
import junit.framework.TestCase;

/**
 * Tests for {@link DoubleUtils}.
 *
 * @author Louis Wasserman
 */
public class DoubleUtilsTest extends TestCase {

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.convert;

import java.math.BigDecimal;
import java.math.BigInteger;

import junit.framework.TestCase;

/**
 * @author koichik
 *
 */
public class BigDecimalConversionUtilTest extends TestCase {
    private static final BigDecimal ZERO = new BigDecimal("0");

    /**