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17 lines
958 B
Text
17 lines
958 B
Text
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The bigfloat module is a Python wrapper for the MPFR library for arbitrary
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precision floating-point reliable arithmetic.
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The MPFR library is a well-known portable C library for arbitrary-precision
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arithmetic on floating-point numbers. It provides precise control over
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precisions and rounding modes and gives correctly-rounded reproducible
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platform-independent results.
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The bigfloat module aims to provide a convenient and friendly Python
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interface to the operations and functions provided by the MPFR library. The
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main class, BigFloat, gives an immutable multiple-precision floating-point
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type that can be freely mixed with Python integers and floats. The Context
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class, when used in conjunction with Pythons with statement, gives a simple
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way of controlling precisions and rounding modes. Additional module-level
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functions provide various standard mathematical operations. There is full
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support for IEEE 754 signed zeros, nans, infinities and subnormals.
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