std::fmod

From Cppreference

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Defined in header <cmath>
float       fmod( float x, float y );
double      fmod( double x, double y );
long double fmod( long double x, long double y );

Computes the remainder of the division operation x/y.

[edit] Parameters

x, y

-

floating point values

[edit] Return value

Remainder of dividing arguments. The result has the same sign as x.

[edit] See also

div ldiv lldiv imaxdiv (C++11)	the quotient and remainder of integer division (function)
remainder (C++11)	signed remainder of the division operation (function)