if (digit < 0 || digit >= radix) {
      return null;
    }
    long accum = -digit;

    long cap = Long.MIN_VALUE / radix;

    while (index < string.length()) {
      digit = AsciiDigits.digit(string.charAt(index++));
      if (digit < 0 || digit >= radix || accum < cap) {
        return null;
      }
      accum *= radix;
      if (accum < Long.MIN_VALUE + digit) {
        return null;
      }

  @GwtIncompatible // TODO
  private long simpleBinomial(int n, int k) {
    long accum = 1;
    for (int i = 0; i < k; i++) {
      accum = LongMath.checkedMultiply(accum, n - i);
      accum /= i + 1;
    }
    return accum;
  }

  @GwtIncompatible // java.math.BigInteger
  public void testIsPowerOfTwo() {
    for (long x : ALL_LONG_CANDIDATES) {

Rene Groeschke <******@****.***> <******@****.***>
Rene Groeschke <******@****.***> <******@****.***>
Ryan <******@****.***> <******@****.***>
Rodrigo B. de Oliveira <******@****.***> <rbo@acm.org>
Sebastian Schuberth <******@****.***> <******@****.***>
Stefan Oehme <******@****.***> <******@****.***>
Sterling Greene <******@****.***> <******@****.***>

</p>

<h2 id="model">Memory Model</h2>

<p>
The following formal definition of Go's memory model closely follows
the approach presented by Hans-J. Boehm and Sarita V. Adve in
“<a href="https://dl.acm.org/doi/10.1145/1375581.1375591">Foundations of the C++ Concurrency Memory Model</a>”,
published in PLDI 2008.
The definition of data-race-free programs and the guarantee of sequential consistency

ZERO.B16, ACCM.B16, T0.B16 \ VEXT $8, ACCM.B16, ZERO.B16, ACCM.B16 \ VEOR ACCM.B16, ACC0.B16, ACC0.B16 \ VEOR T0.B16, ACC1.B16, ACC1.B16 \ VPMULL POLY.D1, ACC0.D1, T0.Q1 \ VEXT $8, ACC0.B16, ACC0.B16, ACC0.B16 \ VEOR T0.B16, ACC0.B16, ACC0.B16 \ VPMULL POLY.D1, ACC0.D1, T0.Q1 \ VEOR T0.B16, ACC1.B16, ACC1.B16 \ VEXT $8, ACC1.B16, ACC1.B16, ACC1.B16 \ VEOR ACC1.B16, ACC0.B16, ACC0.B16 \ // func gcmAesFinish(productTable *[256]byte, tagMask, T *[16]byte, pLen, dLen uint64) TEXT ·gcmAesFinish(SB),NOSPLIT,$0...

c?ten?ude?vog???m?se??r&a!.&a&cisum?sanes??bog?g&es?ro??l&autum?im??moc?pooc?rut?t&e&b?n??ni??ude?vog??4d5a4prebgm--nx?b?c?eydoog?los?t&at?s!uen???ugaj??b!.&21g?a&b&a&coros?iuc??itiruc??cnogoas?dicerapa?gniram?i&naiog?ramatnas??n&erom?irdnol??op?p&acam?irolf?ma&j?s???rief?tsivaob??b!aj?ib?mi?sb??c&ba?e&r?t??js?sp?t!e???d&em?mb?n&f?i??rt??e&dnarganipmac?ficer?h&ct,t??llivnioj?rdnaotnas??f&dj?ed?gg?n&e?i???g&e&l!.&a&b,m,p,?bp,c&a,s,?e&c,p,s,?fd,gm,ip,jr,la,ma,nr,o&g,r,t,?p&a,s,?r&p,r,?s&e,m,r,?tm,...

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