func (s *scanner) errorAtf(offset int, format string, args ...interface{}) {
	s.errh(s.line, s.col+uint(offset), fmt.Sprintf(format, args...))
}

// setLit sets the scanner state for a recognized _Literal token.
func (s *scanner) setLit(kind LitKind, ok bool) {
	s.nlsemi = true
	s.tok = _Literal
	s.lit = string(s.segment())
	s.bad = !ok
	s.kind = kind
}

	x := NewInt(0)
	for _, b := range bits {
		badj := b - min
		// propagate carry if necessary
		for x.Bit(badj) != 0 {
			x.SetBit(x, badj, 0)
			badj++
		}
		x.SetBit(x, badj, 1)
	}

	// create corresponding float
	z := new(Float).SetInt(x) // normalized
	if e := int64(z.exp) + int64(min); MinExp <= e && e <= MaxExp {
		z.exp = int32(e)
	} else {

	}
}

func BenchmarkBitset(b *testing.B) {
	z := new(Int)
	z.SetBit(z, 512, 1)
	b.ResetTimer()
	for i := b.N - 1; i >= 0; i-- {
		z.SetBit(z, i&512, 1)
	}
}

func BenchmarkBitsetNeg(b *testing.B) {
	z := NewInt(-1)
	z.SetBit(z, 512, 0)
	b.ResetTimer()
	for i := b.N - 1; i >= 0; i-- {
		z.SetBit(z, i&512, 0)
	}
}

func BenchmarkBitsetOrig(b *testing.B) {

		s.dense[i].val = v
		return
	}
	s.dense = append(s.dense, sparseEntry{k, v})
	s.sparse[k] = int32(len(s.dense)) - 1
}

// setBit sets the v'th bit of k's value, where 0 <= v < 32
func (s *sparseMap) setBit(k ID, v uint) {
	if v >= 32 {
		panic("bit index too large.")
	}
	i := s.sparse[k]
	if i < int32(len(s.dense)) && s.dense[i].key == k {
		s.dense[i].val |= 1 << v
		return

        assertTrue(ZERO.setBit(result).compareTo(x) <= 0);
        assertTrue(ZERO.setBit(result + 1).compareTo(x) > 0);
      }
    }
  }

  public void testLog2Ceiling() {
    for (BigInteger x : POSITIVE_BIGINTEGER_CANDIDATES) {
      for (RoundingMode mode : asList(CEILING, UP)) {
        int result = BigIntegerMath.log2(x, mode);
        assertTrue(ZERO.setBit(result).compareTo(x) >= 0);

		return t.bit(uint(i)) ^ 1
	}

	return x.abs.bit(uint(i))
}

// SetBit sets z to x, with x's i'th bit set to b (0 or 1).
// That is, if b is 1 SetBit sets z = x | (1 << i);
// if b is 0 SetBit sets z = x &^ (1 << i). If b is not 0 or 1,
// SetBit will panic.
func (z *Int) SetBit(x *Int, i int, b uint) *Int {
	if i < 0 {
		panic("negative bit index")
	}
	if x.neg {

	if offset < 0 || offset >= r.max {
		return false, fmt.Errorf("offset %d out of range [0,%d]", offset, r.max)
	}
	if r.allocated.Bit(offset) == 1 {
		return false, nil
	}
	r.allocated = r.allocated.SetBit(r.allocated, offset, 1)
	r.count++
	return true, nil
}

// AllocateNext reserves one of the items from the pool.
// (0, false, nil) may be returned if there are no items left.

}

type ContextStub struct {
	context
}

func (c ContextStub) GetPC() uintptr {
	return c.ip()
}

func NewContextStub() *ContextStub {
	var ctx context
	ctx.set_ip(getcallerpc())
	ctx.set_sp(getcallersp())
	ctx.set_fp(getcallerfp())
	return &ContextStub{ctx}

     *
     * @param dir The project directory. Should not be null.
     * @since 4.0
     */
    public void setDir(File dir) {
        setDir((Object) dir);
    }

    /**
     * Sets the project directory for the build.
     *
     * @param dir The project directory. Should not be null.
     */
    public void setDir(Object dir) {
        getStartParameter().setCurrentDir(getProject().file(dir));
    }

    /**

	var i int
	for i = 0; i < s.maxCIDRs; i++ {
		if s.used.Bit(candidate) == 0 {
			break
		}
		candidate = (candidate + 1) % s.maxCIDRs
	}

	s.nextCandidate = (candidate + 1) % s.maxCIDRs
	s.used.SetBit(&s.used, candidate, 1)
	s.allocatedCIDRs++
	// Update metrics
	cidrSetAllocations.WithLabelValues(s.label).Inc()
	cidrSetAllocationTriesPerRequest.WithLabelValues(s.label).Observe(float64(i))