prime_gen.h:3:  public: should be indented +1 space inside class PrimeNumberGenerator  [whitespace/indent] [3]
prime_gen.h:6:  { should almost always be at the end of the previous line  [whitespace/braces] [4]
prime_gen.h:10:  { should almost always be at the end of the previous line  [whitespace/braces] [4]
prime_gen.h:13:  { should almost always be at the end of the previous line  [whitespace/braces] [4]
prime_gen.h:21:  { should almost always be at the end of the previous line  [whitespace/braces] [4]
prime_gen.h:23:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
prime_gen.h:24:  { should almost always be at the end of the previous line  [whitespace/braces] [4]
Done processing prime_gen.h
Total errors found: 7