prime_gen.h:5:  Do not use namespace using-directives.  Use using-declarations instead.  [build/namespaces] [5]
prime_gen.h:10:  Tab found; better to use spaces  [whitespace/tab] [1]
prime_gen.h:10:  { should almost always be at the end of the previous line  [whitespace/braces] [4]
prime_gen.h:10:  Missing space before {  [whitespace/braces] [5]
prime_gen.h:11:  Tab found; better to use spaces  [whitespace/tab] [1]
prime_gen.h:12:  Tab found; better to use spaces  [whitespace/tab] [1]
prime_gen.h:13:  Tab found; better to use spaces  [whitespace/tab] [1]
prime_gen.h:13:  Else clause should never be on same line as else (use 2 lines)  [whitespace/newline] [4]
prime_gen.h:14:  Tab found; better to use spaces  [whitespace/tab] [1]
prime_gen.h:17:  Tab found; better to use spaces  [whitespace/tab] [1]
prime_gen.h:19:  Tab found; better to use spaces  [whitespace/tab] [1]
prime_gen.h:20:  Tab found; better to use spaces  [whitespace/tab] [1]
prime_gen.h:21:  Tab found; better to use spaces  [whitespace/tab] [1]
prime_gen.h:22:  Tab found; better to use spaces  [whitespace/tab] [1]
prime_gen.h:23:  Tab found; better to use spaces  [whitespace/tab] [1]
prime_gen.h:24:  Tab found; better to use spaces  [whitespace/tab] [1]
prime_gen.h:30:  "private:" should be preceded by a blank line  [whitespace/blank_line] [3]
Done processing prime_gen.h
Total errors found: 17