高精度数学计算 GNU GMP
本文导语: Gnu MP 是一个任意精度的数学计算库。 operating on signed integers, rational numbers, and floating point numbers. There is no limit to the precision, except for the ones implied by available memory. It has a rich set of functions, and the functions have a regular interface. It is desig...
Gnu MP 是一个任意精度的数学计算库。
operating on signed integers, rational numbers, and floating point numbers. There is no limit to the precision, except for the ones implied by available memory. It has a rich set of functions, and the functions have a regular interface. It is designed to be as fast as possible, both for small operands and for huge operands. The speed is achieved by using fullwords as the basic arithmetic type, by using fast algorithms with carefully optimized assembly code for the most common inner loops for a lot of CPUs, and by a general emphasis on speed (instead of simplicity or elegance). It is believed to be faster than any other similar library. The advantage increases with the operand sizes for certain operations, since GMP in many cases has asymptotically faster algorithms.
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