c++ - G++ does not recognise "//" as a comment -

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I'm trying to compile the following signin (CYGWIN_NT-6.1-WOW64 1.7.28 (0.271 / 5/3) I686): 

  // Integration Regular Template & lt; Typename method, typename f, typename float & gt; Double Consolidated (FF, Float A, Float B, Int Strips, Method M) {Double S = 0; Double H = (B-A) / phase; For (int i = 0; i   
 But I'm getting the following:  
  sh-4.1 $ g ++ -o "triposoid_numeric_pu" traposide_numeric_apppp sh-4.1 $ ./trapezoid_numerical_p3 .cpp /trapezoid_numerical_p3.cpp: line1: //: is a directory ./trapezoid_numerical_p3.cpp: Line 2: Type name: No such file or directory. /trapezoid_numerical_p3.cpp: Line 3: Syntax error near unexpected token `('/' Trapezoid_numerical_p3.cpp: Line 3: 'Double Integrated (FF, Float A, Float B, Int strips, Method M) SH -1.1 $ < / Code>  
  
 strong>  //: a directory   error comes from Bash, and is not relevant to c ++ code Can not seem to have any relevant leads.  
  
  Can you recommend how to solve the above?    
 
 
 you Trying to run  .cpp  file.  
 There is a command to run your program (on Sigwin / Windows):  
  sh -4.1 $ ./trapezoid_numerical_p3.exe   
 or (on Linux / Unix):  
  sh-4.1 $ ./trapezoid_numerical_p3   
  .cpp  when you try to run your program.  
 Your comment "The error that comes from Bash is correct" ', When you try to run the  .cpp  file,   Try to run as Ript does  bash does not c understand  (As has been written by many observations).

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