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99 lines
5.6 KiB
HTML
99 lines
5.6 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- This manual documents how to install and use the Multiple Precision
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Floating-Point Reliable Library, version 3.1.4.
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Copyright 1991, 1993-2016 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document under
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the terms of the GNU Free Documentation License, Version 1.2 or any later
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version published by the Free Software Foundation; with no Invariant Sections,
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with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the
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license is included in GNU Free Documentation License. -->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>Combined Initialization and Assignment Functions (GNU MPFR 3.1.4)</title>
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<meta name="description" content="How to install and use GNU MPFR, a library for reliable multiple precision
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floating-point arithmetic, version 3.1.4.">
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<meta name="keywords" content="Combined Initialization and Assignment Functions (GNU MPFR 3.1.4)">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
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<link href="MPFR-Interface.html#MPFR-Interface" rel="up" title="MPFR Interface">
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<link href="Conversion-Functions.html#Conversion-Functions" rel="next" title="Conversion Functions">
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<link href="Assignment-Functions.html#Assignment-Functions" rel="prev" title="Assignment Functions">
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<body lang="en">
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<a name="Combined-Initialization-and-Assignment-Functions"></a>
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<div class="header">
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<p>
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Next: <a href="Conversion-Functions.html#Conversion-Functions" accesskey="n" rel="next">Conversion Functions</a>, Previous: <a href="Assignment-Functions.html#Assignment-Functions" accesskey="p" rel="prev">Assignment Functions</a>, Up: <a href="MPFR-Interface.html#MPFR-Interface" accesskey="u" rel="up">MPFR Interface</a> [<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="index-Combined-initialization-and-assignment-functions"></a>
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<a name="Combined-Initialization-and-Assignment-Functions-1"></a>
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<h3 class="section">5.3 Combined Initialization and Assignment Functions</h3>
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<dl>
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<dt><a name="index-mpfr_005finit_005fset"></a>Macro: <em>int</em> <strong>mpfr_init_set</strong> <em>(mpfr_t <var>rop</var>, mpfr_t <var>op</var>, mpfr_rnd_t <var>rnd</var>)</em></dt>
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<dt><a name="index-mpfr_005finit_005fset_005fui"></a>Macro: <em>int</em> <strong>mpfr_init_set_ui</strong> <em>(mpfr_t <var>rop</var>, unsigned long int <var>op</var>, mpfr_rnd_t <var>rnd</var>)</em></dt>
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<dt><a name="index-mpfr_005finit_005fset_005fsi"></a>Macro: <em>int</em> <strong>mpfr_init_set_si</strong> <em>(mpfr_t <var>rop</var>, long int <var>op</var>, mpfr_rnd_t <var>rnd</var>)</em></dt>
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<dt><a name="index-mpfr_005finit_005fset_005fd"></a>Macro: <em>int</em> <strong>mpfr_init_set_d</strong> <em>(mpfr_t <var>rop</var>, double <var>op</var>, mpfr_rnd_t <var>rnd</var>)</em></dt>
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<dt><a name="index-mpfr_005finit_005fset_005fld"></a>Macro: <em>int</em> <strong>mpfr_init_set_ld</strong> <em>(mpfr_t <var>rop</var>, long double <var>op</var>, mpfr_rnd_t <var>rnd</var>)</em></dt>
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<dt><a name="index-mpfr_005finit_005fset_005fz"></a>Macro: <em>int</em> <strong>mpfr_init_set_z</strong> <em>(mpfr_t <var>rop</var>, mpz_t <var>op</var>, mpfr_rnd_t <var>rnd</var>)</em></dt>
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<dt><a name="index-mpfr_005finit_005fset_005fq"></a>Macro: <em>int</em> <strong>mpfr_init_set_q</strong> <em>(mpfr_t <var>rop</var>, mpq_t <var>op</var>, mpfr_rnd_t <var>rnd</var>)</em></dt>
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<dt><a name="index-mpfr_005finit_005fset_005ff"></a>Macro: <em>int</em> <strong>mpfr_init_set_f</strong> <em>(mpfr_t <var>rop</var>, mpf_t <var>op</var>, mpfr_rnd_t <var>rnd</var>)</em></dt>
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<dd><p>Initialize <var>rop</var> and set its value from <var>op</var>, rounded in the direction
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<var>rnd</var>.
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The precision of <var>rop</var> will be taken from the active default precision,
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as set by <code>mpfr_set_default_prec</code>.
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</p></dd></dl>
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<dl>
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<dt><a name="index-mpfr_005finit_005fset_005fstr"></a>Function: <em>int</em> <strong>mpfr_init_set_str</strong> <em>(mpfr_t <var>x</var>, const char *<var>s</var>, int <var>base</var>, mpfr_rnd_t <var>rnd</var>)</em></dt>
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<dd><p>Initialize <var>x</var> and set its value from
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the string <var>s</var> in base <var>base</var>,
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rounded in the direction <var>rnd</var>.
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See <code>mpfr_set_str</code>.
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</p></dd></dl>
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</body>
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</html>
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