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mpfr_set_precision

Calm Capuchin answered on September 15, 2021 Popularity 1/10 Helpfulness 1/10

answer mpfr_set_precision

mpfr_set_precision

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Function: void mpfr_set_prec (mpfr_t x, mpfr_prec_t prec)

    Set the precision of x to be exactly prec bits, and set its value to NaN. The previous value stored in x is lost. It is equivalent to a call to mpfr_clear(x) followed by a call to mpfr_init2(x, prec), but more efficient as no allocation is done in case the current allocated space for the significand of x is enough. The precision prec can be any integer between MPFR_PREC_MIN and MPFR_PREC_MAX. In case you want to keep the previous value stored in x, use mpfr_prec_round instead.

    Warning! You must not use this function if x was initialized with MPFR_DECL_INIT or with mpfr_custom_init_set (see Custom Interface).

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Source: www.mpfr.org

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Contributed on Sep 15 2021

Calm Capuchin

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