}
	return nil
}

func nodeInfo(l *profile.Location, line profile.Line, objfile string, o *Options) *NodeInfo {
	if line.Function == nil {
		return &NodeInfo{Address: l.Address, Objfile: objfile}
	}
	ni := &NodeInfo{
		Address:  l.Address,
		Lineno:   int(line.Line),
		Columnno: int(line.Column),
		Name:     line.Function.Name,
	}
	if fname := line.Function.Filename; fname != "" {
		ni.File = filepath.Clean(fname)

    }
    return this;
  }

  /**
   * Adds each member of {@code elements} as a candidate for the top {@code k} elements. This
   * operation takes amortized linear time in the length of {@code elements}.
   *
   * <p>If all input data to this {@code TopKSelector} is in a single {@code Iterable}, prefer

			cur = &traceback{}
			tbs = append(tbs, cur)
		case line == "":
			// Separator between goroutines
			cur = nil
		case line[0] == '\t':
			fatal("unexpected indent")
		case strings.HasPrefix(line, "created by "):
			funcName := line[len("created by "):]
			cur.createdBy = parseFrame(funcName, "")
		case strings.HasSuffix(line, ")"):
			line = line[:len(line)-1] // Trim trailing ")"

	copy(t.line[t.pos+1:], t.line[t.pos:])
	t.line[t.pos] = key
	if t.echo {
		t.writeLine(t.line[t.pos:])
	}
	t.pos++
	t.moveCursorToPos(t.pos)
}

func (t *Terminal) writeLine(line []rune) {
	for len(line) != 0 {
		remainingOnLine := t.termWidth - t.cursorX
		todo := len(line)
		if todo > remainingOnLine {
			todo = remainingOnLine
		}
		t.queue(line[:todo])
		t.advanceCursor(visualLength(line[:todo]))

    return ensureInUnitRange(sumOfProductsOfDeltas / Math.sqrt(productOfSumsOfSquaresOfDeltas));
  }

  /**
   * Returns a linear transformation giving the best fit to the data according to <a
   * href="http://mathworld.wolfram.com/LeastSquaresFitting.html">Ordinary Least Squares linear
   * regression</a> of {@code y} as a function of {@code x}. The count must be greater than one, and

	// gc error messages continue onto additional lines with leading tabs.
	// Split the output at the beginning of each line that doesn't begin with a tab.
	// <autogenerated> lines are impossible to match so those are filtered out.
	var res []string
	for _, line := range strings.Split(out, "\n") {
		line = strings.TrimSuffix(line, "\r") // normalize Windows output
		if strings.HasPrefix(line, "\t") {
			res[len(res)-1] += "\n" + line

//   is widened to a full integer array.)

// The overall runtime of this code is linear in the input size:
// it runs a sequence of linear passes to reduce the problem to
// a subproblem at most half as big, invokes itself recursively,
// and then runs a sequence of linear passes to turn the answer
// for the subproblem into the answer for the original problem.

			filename = fl.Filename
		}
		for i, line := range fl.Lines {
			ln := int(fl.StartLineno) + i
			var escaped string
			if strings.TrimSpace(line) == "" {
				escaped = " "
			} else {
				escaped = html.EscapeString(line)
			}
			fmt.Fprintf(&buf, "<div class=\"l%v line-number\">%v</div>", ln, escaped)
		}
	}
	fmt.Fprint(&buf, "</pre></div>")

   */
  public void testEmptyServiceManager() {
    Logger logger = Logger.getLogger(ServiceManager.class.getName());
    logger.setLevel(Level.FINEST);
    TestLogHandler logHandler = new TestLogHandler();
    logger.addHandler(logHandler);
    ServiceManager manager = new ServiceManager(Arrays.<Service>asList());
    RecordingListener listener = new RecordingListener();

  //
  // Proof: For unary einsum equations involving only transpose ("ij->ji") and
  //   traces ("ii->i"), the linear mapping's Jacobian at input x is given
  //   by the function itself. We can verify that the linear map given by the
  //   VJP are einsums with the equations "ji->ij" and "i->ii" respectively,
  //   where the latter represents 'un-tracing', or filling the diagonal with