if (VM.VerifyAssertions) VM.assert(numCounts <= totalCountsTaken);
if (VM.VerifyAssertions) VM._assert(numCounts <= totalCountsTaken);
  private double countsToHotness(double numCounts) {    if (VM.VerifyAssertions) VM.assert(numCounts <= totalCountsTaken);    return numCounts / totalCountsTaken;  }