nan: returns a value that is not a number and that contains *content : nan « math.h « C / ANSI-C

1. C / ANSI-C
2. math.h
3. nan

nan: returns a value that is not a number and that contains *content

    

//Declaratin: float nanf(const char *content); 
              double nan(const char *content); 
              long double nanl(const char *content);  
 

    
  
 
  #include <math.h>
  #include <stdio.h>

  int main(void)
  {
     double f;

     f = nan("2.0");
    
     printf("%f " , f);
  }

         
        /*
        -1.#IND00
        */ 

           
       

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