public boolean isGreaterOrEqual0() {
   return MathHelper.isGreaterOrEqualThanZero(m_aValue);
 }
 public boolean isSmallerOrEqual0() {
   return MathHelper.isLowerOrEqualThanZero(m_aValue);
 }
 public boolean isGreater0() {
   return MathHelper.isGreaterThanZero(m_aValue);
 }
 public boolean isNot0() {
   return MathHelper.isNotEqualToZero(m_aValue);
 }