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It depends on the language. In C/C++, decimal values are specified using float, double or long double types. A float is a single precision floating point value that is typically 32-bits in length, however the actual length is implementation dependant. A double is always at least as long as a float while a long double is always at least as long as a double. To determine the actual length at compile time, we use the sizeof() operator.

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10y ago

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