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Difference between single precision and double precision?

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Answer:

Single Precision, called "float" in the 'C' language family, and "real" or "real*4" in Fortan. This is a binary format that occupies 32 bits (4 bytes) and its significand has a precision of 24 bits (about 7 decimal digits).

Double Precision called "double" in the C language family, and "double precision" or "real*8" in Fortran. This is a binary format that occupies 64 bits (8 bytes) and its significand has a precision of 53 bits (about 16 decimal digits).

Regards,

Prabhat Mishra

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First answer by ID3411788039. Last edit by Inform2prabhat. Contributor trust: 0 [recommend contributor ]. Question popularity: 2 [recommend question].

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