Can t use modulus on doubles

Question

I have a program in C    compiled using g     I m trying to apply two doubles as operands to the modulus function  but I get the following error      error  invalid operands of types  double  and  double  to binary  operator     Here s the code   int main         double x   6 3      double y   2      double z   x   y

User · Answer

Use fmod   from  lt cmath gt   If you do not want to include the C header file   template lt typename T  typename U gt  constexpr double dmod  T x  U mod        return  mod   x   x - mod   static cast lt long long gt  x   mod        Usage  double z   dmod lt double  unsigned int gt  14 3  4   double z   dmod lt long  float gt  14  4 6     This also works  double z   dmod 14 7  0 3   double z   dmod 14 7  0   double z   dmod 0  0 3f   double z   dmod myFirstVariable  someOtherVariable

User · Answer

You can implement your own modulus function to do that for you   double dmod double x  double y        return x -  int  x y    y      Then you can simply use dmod 6 3  2  to get the remainder  0 3

User · Answer

fmod x  y  is the function you use

User · Answer

The   operator is for integers   You re looking for the fmod   function   include  lt cmath gt   int main         double x   6 3      double y   2 0      double z   std  fmod x y

[c++] Can't use modulus on doubles?

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