What is the difference between int and float in c language
The difference between int and float variables in C language is: different types: int is used to store integers, while float is used to store decimals. Storage size: int usually takes 4 bytes, and float also takes 4 bytes. Precision: int represents an exact integer, while float has limited precision. Range: int typically ranges from -2^31 to 2^31-1, while float has a wider range. Arithmetic operations: int and float can perform arithmetic operations and comparisons, but the results may be affected by precision limitations. Type conversion: Explicit or implicit type conversion can be performed between int and float.
The difference between int and float in C language
Type
- int is an integer variable used to store integers.
- float is a floating-point variable used to store decimals and numbers after the decimal point.
Storage size
- int usually takes 4 bytes.
- float usually takes 4 bytes.
Precision
- int represents an exact integer, while float has limited precision, which means it cannot accurately represent certain decimals .
Range
- int typically ranges from -2^31 to 2^31-1.
- float has a wider range, depending on the implementation of the floating point representation, typically -1.7e 38 to 1.7e 38.
Rounding
- When a float is assigned to an int, the float is rounded to the nearest integer.
- When a float is assigned to another float, the float is truncated to a smaller precision.
Operations
- Arithmetic operations can be performed on int and float, but the result depends on the type involved in the operation.
- int and float can also be compared, but the results may be affected by precision limitations.
Type conversion
- Explicit and implicit type conversions can be performed between int and float.
- Explicit type conversion uses the (int) and (float) operators.
- Implicit type conversion occurs automatically in certain situations, such as in arithmetic operations.
Other Differences
- float can be suffixed with "f" or "F" to indicate its type.
- int has no similar suffix.
- float represents a decimal point in mathematics, while int represents an integer.
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