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Possible Duplicate:
Why does modulus division (%) only work with integers?
This code doesn't work in C and C++ but works in C# and Java:
float x = 3.4f % 1.1f;
double x = 3.4 % 1.1;
Also, division remainder is defined for reals in Python.
What is the reason this operation is not defined for floats and doubles in C and C++?
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% operator cannot be used with floating point numbers in C & C++.
15) Can you use C Modulo Division operator % with float and int? Explanation: Modulo Division operator % in C language can be used only with integer variables or constants.
The modulo operator, like the other arithmetic operators, can be used with the numeric types int and float .
The modulus is basically finding the remainder. For this, we can use the remainder() function in C. The remainder() function is used to compute the floating point remainder of numerator/denominator.
The C committee explained its position of why there is no remainder operator for floating types in the Rationale document:
(6.5.5 Multiplicative operators) The C89 Committee rejected extending the % operator to work on floating types as such usage would duplicate the facility provided by fmod (see §7.12.10.1).
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