2010-12-16 Jeff Johnston <jjohnstn@redhat.com>

* COPYING.NEWLIB: Updated with 1.19 version. * COPYING.LIBGLOSS: Ditto. * README: Ditto. * news.html: Ditto.
author: Jeff Johnston <jjohnstn@redhat.com> 2010-12-16 22:49:51 +0000
committer: Jeff Johnston <jjohnstn@redhat.com> 2010-12-16 22:49:51 +0000
commit: b2b6e9a79c557025a7ec240a360e044f2b3a8dcc (patch)
tree: d94eacec27a3d6f1c5def86c0a9f22b794654a0e /libm.html
parent: temporary file (diff)
1 files changed, 967 insertions, 82 deletions
diff --git a/libm.html b/libm.html
index acc0f81..b47dd7b 100644
--- a/libm.html
+++ b/libm.html
@@ -1,6 +1,6 @@
 <div class="node">
-<p><hr>
 <a name="Top"></a>
+<p><hr>
 Up:&nbsp;<a rel="up" accesskey="u" href="#dir">(dir)</a>
 </div>
@@ -12,7 +12,7 @@ Up:&nbsp;<a rel="up" accesskey="u" href="#dir">(dir)</a>
 <title>Untitled</title>
 <meta http-equiv="Content-Type" content="text/html">
 <meta name="description" content="Untitled">
-<meta name="generator" content="makeinfo 4.12">
+<meta name="generator" content="makeinfo 4.13">
 <link title="Top" rel="top" href="#Top">
 <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
 <meta http-equiv="Content-Style-Type" content="text/css">
@@ -31,15 +31,16 @@ Up:&nbsp;<a rel="up" accesskey="u" href="#dir">(dir)</a>
 <body>
 <ul class="menu">
 <li><a accesskey="1" href="#Math">Math</a>: The mathematical functions (`math.h'). 
-<li><a accesskey="2" href="#Reentrancy">Reentrancy</a>: The functions in libm are not reentrant by default. 
+<li><a accesskey="2" href="#Complex">Complex</a>: The mathematical complex functions (`complex.h'). 
-<li><a accesskey="3" href="#Long-Double-Functions">Long Double Functions</a>: The long double function support of libm. 
+<li><a accesskey="3" href="#Reentrancy">Reentrancy</a>: The functions in libm are not reentrant by default. 
-<li><a accesskey="4" href="#Index">Index</a>
+<li><a accesskey="4" href="#Long-Double-Functions">Long Double Functions</a>: The long double function support of libm. 
+<li><a accesskey="5" href="#Index">Index</a>
 </ul>
 <div class="node">
-<p><hr>
 <a name="Math"></a>
-Next:&nbsp;<a rel="next" accesskey="n" href="#Reentrancy">Reentrancy</a>,
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#Complex">Complex</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#Top">Top</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Top">Top</a>
@@ -136,8 +137,8 @@ machines&mdash;are available when you include <samp><span class="file">fastmath.
 </ul>
 <div class="node">
-<p><hr>
 <a name="version"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#acos">acos</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -207,8 +208,8 @@ registered trademark of The IEEE.
 <!-- to reflect function name of Bessel (as opposed to j; e.g. after atanh, -->
 <!-- before cbrt). -->
 <div class="node">
-<p><hr>
 <a name="acos"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#acosh">acosh</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#version">version</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -244,8 +245,8 @@ its calculations on <code>floats</code>.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="acosh"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#asin">asin</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#acos">acos</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -285,8 +286,8 @@ for portable programs.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="asin"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#asinh">asinh</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#acosh">acosh</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -324,8 +325,8 @@ return NaN (not a number), set the global variable <code>errno</code> to
 <p><br>
 <div class="node">
-<p><hr>
 <a name="asinh"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#atan">atan</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#asin">asin</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -358,8 +359,8 @@ Neither <code>asinh</code> nor <code>asinhf</code> are ANSI C.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="atan"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#atan2">atan2</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#asinh">asinh</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -391,8 +392,8 @@ Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
 <p><br>
 <div class="node">
-<p><hr>
 <a name="atan2"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#atanh">atanh</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#atan">atan</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -431,8 +432,8 @@ pi/2 or -pi/2
 <p><br>
 <div class="node">
-<p><hr>
 <a name="atanh"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#jN">jN</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#atan2">atan2</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -479,8 +480,8 @@ Neither <code>atanh</code> nor <code>atanhf</code> are ANSI C.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="jN"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#cbrt">cbrt</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#atanh">atanh</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -535,8 +536,8 @@ None of the Bessel functions are in ANSI C.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="cbrt"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#copysign">copysign</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#jN">jN</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -565,8 +566,8 @@ The cube root is returned.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="copysign"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#cosh">cosh</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#cbrt">cbrt</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -604,8 +605,8 @@ Definition (Issue 2).
 <p><br>
 <div class="node">
-<p><hr>
 <a name="cosh"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#erf">erf</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#copysign">copysign</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -646,8 +647,8 @@ function <code>matherr</code>.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="erf"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#exp">exp</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#cosh">cosh</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -689,8 +690,8 @@ None of the variants of <code>erf</code> are ANSI C.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="exp"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#exp2">exp2</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#erf">erf</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -727,8 +728,8 @@ either case, <code>errno</code> is set to <code>ERANGE</code>.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="exp2"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#expm1">expm1</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#exp">exp</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -764,8 +765,8 @@ ANSI C, POSIX.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="expm1"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#fabs">fabs</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#exp2">exp2</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -801,8 +802,8 @@ the System V Interface Definition (Issue 2).
 <p><br>
 <div class="node">
-<p><hr>
 <a name="fabs"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#fdim">fdim</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#expm1">expm1</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -834,8 +835,8 @@ The calculated value is returned. No errors are detected.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="fdim"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#floor">floor</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#fabs">fabs</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -872,8 +873,8 @@ ANSI C, POSIX.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="floor"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#fma">fma</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#fdim">fdim</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -909,8 +910,8 @@ the nearest integer greater than or equal to <var>x</var>.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="fma"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#fmax">fmax</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#floor">floor</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -954,8 +955,8 @@ ANSI C, POSIX.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="fmax"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#fmin">fmin</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#fma">fma</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -986,8 +987,8 @@ ANSI C, POSIX.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="fmin"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#fmod">fmod</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#fmax">fmax</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1018,8 +1019,8 @@ ANSI C, POSIX.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="fmod"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#fpclassify">fpclassify</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#fmin">fmin</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1057,8 +1058,8 @@ magnitude of <var>y</var>.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="frexp"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#gamma">gamma</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#fpclassify">fpclassify</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1100,8 +1101,8 @@ or Nan, <code>frexp</code> will set <code>*</code><var>exp</var> to <code>0</cod
 <p><br>
 <div class="node">
-<p><hr>
 <a name="gamma"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#hypot">hypot</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#frexp">frexp</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1183,8 +1184,8 @@ is not standard, nor is the <var>signgam</var> global for <code>lgamma</code>.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="hypot"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#ilogb">ilogb</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#gamma">gamma</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1220,8 +1221,8 @@ Normally, the distance value is returned. On overflow,
 <br>
 <div class="node">
-<p><hr>
 <a name="ilogb"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#infinity">infinity</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#hypot">hypot</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1248,19 +1249,29 @@ return <var>m</var>.
 <strong>Returns</strong><br>
 <p><code>ilogb</code> and <code>ilogbf</code> return the power of two used to form the
-floating-point argument. If <var>val</var> is <code>0</code>, they return <code>-
+floating-point argument. 
-INT_MAX</code> (<code>INT_MAX</code> is defined in limits.h). If <var>val</var> is
+If <var>val</var> is <code>0</code>, they return <code>FP_ILOGB0</code>. 
-infinite, or NaN, they return <code>INT_MAX</code>.
+If <var>val</var> is infinite, they return <code>INT_MAX</code>. 
+If <var>val</var> is NaN, they return <code>FP_ILOGBNAN</code>. 
+(<code>FP_ILOGB0</code> and <code>FP_ILOGBNAN</code> are defined in math.h, but in turn are
+defined as INT_MIN or INT_MAX from limits.h. The value of FP_ILOGB0 may be
+either INT_MIN or -INT_MAX. The value of FP_ILOGBNAN may be either INT_MAX or
+INT_MIN.)
+<!-- The bugs might not be worth noting, given the mass non-C99/POSIX -->
+<!-- behavior of much of the Newlib math library. -->
+<!-- BUGS -->
+<!-- On errors, errno is not set per C99 and POSIX requirements even if -->
+<!-- (math_errhandling & MATH_ERRNO) is non-zero. -->
 <p><br>
 <strong>Portability</strong><br>
-Neither <code>ilogb</code> nor <code>ilogbf</code> is required by ANSI C or by
+C99, POSIX
-the System V Interface Definition (Issue 2). 
-<br>
+ <p><br>
 <div class="node">
-<p><hr>
 <a name="infinity"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#isgreater">isgreater</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#ilogb">ilogb</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1291,8 +1302,8 @@ infinities.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="isgreater"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#ldexp">ldexp</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#infinity">infinity</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1359,8 +1370,8 @@ C99, POSIX.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="fpclassify"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#frexp">frexp</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#fmod">fmod</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1475,8 +1486,8 @@ math.h macros are C99, POSIX.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="ldexp"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#log">log</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#isgreater">isgreater</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1512,8 +1523,8 @@ On overflow, <code>ldexp</code> returns plus or minus <code>HUGE_VAL</code>.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="log"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#log10">log10</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#ldexp">ldexp</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1551,8 +1562,8 @@ When <var>x</var> is negative, the returned value is NaN (not a number) and
 <p><br>
 <div class="node">
-<p><hr>
 <a name="log10"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#log1p">log1p</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#log">log</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1586,8 +1597,8 @@ It is implemented as <code>log(</code><var>x</var><code>) / log(10)</code>.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="log1p"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#log2">log2</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#log10">log10</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1624,8 +1635,8 @@ Interface Definition (Issue 2).
 <p><br>
 <div class="node">
-<p><hr>
 <a name="log2"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#logb">logb</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#log1p">log1p</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1649,8 +1660,8 @@ argument is zero.
 rather are derivatives based on <code>log</code>. (Accuracy might be slightly off from
 a direct calculation.) In addition to functions, they are also implemented as
 macros defined in math.h:
-<pre class="smallexample"> #define log2(x) (log (x) / _M_LOG2_E)
+<pre class="smallexample"> #define log2(x) (log (x) / _M_LN2)
- #define log2f(x) (logf (x) / (float) _M_LOG2_E)
+ #define log2f(x) (logf (x) / (float) _M_LN2)
 </pre>
 <p>To use the functions instead, just undefine the macros first.
@@ -1676,8 +1687,8 @@ C99, POSIX, System V Interface Definition (Issue 6).
 <p><br>
 <div class="node">
-<p><hr>
 <a name="logb"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#lrint">lrint</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#log2">log2</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1727,8 +1738,8 @@ frexp, ilogb
 <p><br>
 <div class="node">
-<p><hr>
 <a name="lrint"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#lround">lround</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#logb">logb</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1769,8 +1780,8 @@ ANSI C, POSIX
 <p><br>
 <div class="node">
-<p><hr>
 <a name="lround"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#matherr">matherr</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#lrint">lrint</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1811,8 +1822,8 @@ ANSI C, POSIX
 <p><br>
 <div class="node">
-<p><hr>
 <a name="matherr"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#modf">modf</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#lround">lround</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1898,8 +1909,8 @@ an error message.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="modf"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#nan">nan</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#matherr">matherr</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1937,8 +1948,8 @@ sign as the supplied argument <var>val</var>.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="nan"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#nearbyint">nearbyint</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#modf">modf</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -1961,8 +1972,8 @@ argument is currently disregarded.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="nearbyint"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#nextafter">nextafter</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#nan">nan</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -2008,8 +2019,8 @@ ANSI C, POSIX
 <p><br>
 <div class="node">
-<p><hr>
 <a name="nextafter"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#pow">pow</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#nearbyint">nearbyint</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -2044,8 +2055,8 @@ or by the System V Interface Definition (Issue 2).
 <p><br>
 <div class="node">
-<p><hr>
 <a name="pow"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#remainder">remainder</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#nextafter">nextafter</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -2082,8 +2093,8 @@ is set to <code>EDOM</code>. If <var>x</var> and <var>y</var> are both 0, then
 <br>
 <div class="node">
-<p><hr>
 <a name="remainder"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#remquo">remquo</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#pow">pow</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -2114,8 +2125,8 @@ Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
 <p><br>
 <div class="node">
-<p><hr>
 <a name="remquo"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#rint">rint</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#remainder">remainder</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -2169,8 +2180,8 @@ C99, POSIX.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="rint"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#round">round</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#remquo">remquo</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -2211,8 +2222,8 @@ ANSI C, POSIX
 <p><br>
 <div class="node">
-<p><hr>
 <a name="round"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#scalbn">scalbn</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#rint">rint</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -2251,8 +2262,8 @@ ANSI C, POSIX
 <p><br>
 <div class="node">
-<p><hr>
 <a name="scalbn"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#signbit">signbit</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#round">round</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -2292,8 +2303,8 @@ ANSI C, POSIX
 <p><br>
 <div class="node">
-<p><hr>
 <a name="signbit"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#sin">sin</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#scalbn">scalbn</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -2329,8 +2340,8 @@ C99, POSIX.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="sin"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#sinh">sinh</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#signbit">signbit</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -2366,8 +2377,8 @@ The sine or cosine of <var>x</var> is returned.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="sinh"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#sqrt">sqrt</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#sin">sin</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -2408,8 +2419,8 @@ appropriate sign, and sets the global value <code>errno</code> to
 <p><br>
 <div class="node">
-<p><hr>
 <a name="sqrt"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#tan">tan</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#sinh">sinh</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -2442,8 +2453,8 @@ negative, the global value <code>errno</code> is set to <code>EDOM</code> (domai
 <p><br>
 <div class="node">
-<p><hr>
 <a name="tan"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#tanh">tanh</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#sqrt">sqrt</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -2475,8 +2486,8 @@ The tangent of <var>x</var> is returned.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="tanh"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#trunc">trunc</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#tan">tan</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -2512,8 +2523,8 @@ The hyperbolic tangent of <var>x</var> is returned.
 <p><br>
 <div class="node">
-<p><hr>
 <a name="trunc"></a>
+<p><hr>
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#tanh">tanh</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Math">Math</a>
@@ -2545,19 +2556,824 @@ recommended by IEEE 754 for its related functions.)
 ANSI C, POSIX
 <p><br>
+<div class="node">
+<a name="Complex"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#Reentrancy">Reentrancy</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#Math">Math</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Top">Top</a>
+</div>
+<h2 class="chapter">2 Mathematical Complex Functions (<samp><span class="file">complex.h</span></samp>)</h2>
+<p>This chapter groups the complex mathematical functions. The
+corresponding definitions and declarations are in <samp><span class="file">complex.h</span></samp>. 
+Functions and documentations are taken from NetBSD.
+<ul class="menu">
+<li><a accesskey="1" href="#cabs">cabs</a>: Complex absolute value
+<li><a accesskey="2" href="#cacos">cacos</a>: Complex arc cosine
+<li><a accesskey="3" href="#cacosh">cacosh</a>: Complex arc hyperbolic cosine
+<li><a accesskey="4" href="#carg">carg</a>: Argument (also called phase angle)
+<li><a accesskey="5" href="#casin">casin</a>: Complex arc sine
+<li><a accesskey="6" href="#casinh">casinh</a>: Complex arc hyperbolic sine
+<li><a accesskey="7" href="#catan">catan</a>: Complex arc tangent
+<li><a accesskey="8" href="#catanh">catanh</a>: Complex arc hyperbolic tangent
+<li><a accesskey="9" href="#ccos">ccos</a>: Complex cosine
+<li><a href="#ccosh">ccosh</a>: Complex hyperbolic cosine
+<li><a href="#cexp">cexp</a>: Complex exponent
+<li><a href="#cimag">cimag</a>: Imaginary part
+<li><a href="#clog">clog</a>: Complex natural (base e) logarithm
+<li><a href="#conj">conj</a>: Complex conjugate
+<li><a href="#cpow">cpow</a>: Complex power function
+<li><a href="#cproj">cproj</a>: Compute a projection on the Riemann sphere
+<li><a href="#creal">creal</a>: Real part
+<li><a href="#csin">csin</a>: Complex sine
+<li><a href="#csinh">csinh</a>: Complex hyperbolic sine
+<li><a href="#csqrt">csqrt</a>: Complex square root
+<li><a href="#ctan">ctan</a>: Complex tangent
+<li><a href="#ctanh">ctanh</a>: Complex hyperbolic tangent
+</ul>
+<div class="node">
+<a name="cabs"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#cacos">cacos</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.1 <code>cabs</code>, <code>cabsf</code>&mdash;complex absolute-value</h3>
+<p><a name="index-cabs-154"></a><a name="index-cabsf-155"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double cabs(double complex <var>z</var>);
+ float cabsf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute compute the complex absolute value
+(also called norm, modulus, or magnitude) of <var>z</var>.
+ <p><code>cabsf</code> is identical to <code>cabs</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+The cabs functions return the complex absolute value.
+ <p><br>
+<strong>Portability</strong><br>
+<code>cabs</code> and <code>cabsf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="cacos"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#cacosh">cacosh</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#cabs">cabs</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.2 <code>cacos</code>, <code>cacosf</code>&mdash;complex arc cosine</h3>
+<p><a name="index-cacos-156"></a><a name="index-cacosf-157"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex cacos(double complex <var>z</var>);
+ float complex cacosf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex arc cosine of <var>z</var>,
+with branch cuts outside the interval [-1, +1] along the real axis.
+ <p><code>cacosf</code> is identical to <code>cacos</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+These functions return the complex arc cosine value, in the range
+of a strip mathematically unbounded along the imaginary axis
+and in the interval [0, pi] along the real axis.
+ <p><br>
+<strong>Portability</strong><br>
+<code>cacos</code> and <code>cacosf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="cacosh"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#carg">carg</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#cacos">cacos</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.3 <code>cacosh</code>, <code>cacoshf</code>&mdash;complex arc hyperbolic cosine</h3>
+<p><a name="index-cacosh-158"></a><a name="index-cacoshf-159"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex cacosh(double complex <var>z</var>);
+ float complex cacoshf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex arc hyperbolic cosine of <var>z</var>,
+with a branch cut at values less than 1 along the real axis.
+ <p><code>cacoshf</code> is identical to <code>cacosh</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+These functions return the complex arc hyperbolic cosine value,
+in the range of a half-strip of non-negative values along the
+real axis and in the interval [-i * pi, +i * pi] along the
+imaginary axis.
+ <p><br>
+<strong>Portability</strong><br>
+<code>cacosh</code> and <code>cacoshf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="carg"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#casin">casin</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#cacosh">cacosh</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.4 <code>carg</code>, <code>cargf</code>&mdash;argument (phase angle)</h3>
+<p><a name="index-carg-160"></a><a name="index-cargf-161"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double carg(double complex <var>z</var>);
+ float cargf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the argument (also called phase angle)
+of <var>z</var>, with a branch cut along the negative real axis.
+ <p><code>cargf</code> is identical to <code>carg</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+The carg functions return the value of the argument in the
+interval [-pi, +pi]
+ <p><br>
+<strong>Portability</strong><br>
+<code>carg</code> and <code>cargf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="casin"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#casinh">casinh</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#carg">carg</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.5 <code>casin</code>, <code>casinf</code>&mdash;complex arc sine</h3>
+<p><a name="index-casin-162"></a><a name="index-casinf-163"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex casin(double complex <var>z</var>);
+ float complex casinf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex arc sine of <var>z</var>,
+with branch cuts outside the interval [-1, +1] along the real axis.
+ <p><code>casinf</code> is identical to <code>casin</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+These functions return the complex arc sine value, in the range
+of a strip mathematically unbounded along the imaginary axis
+and in the interval [-pi/2, +pi/2] along the real axis.
+ <p><br>
+<strong>Portability</strong><br>
+<code>casin</code> and <code>casinf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="casinh"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#catan">catan</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#casin">casin</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.6 <code>casinh</code>, <code>casinhf</code>&mdash;complex arc hyperbolic sine</h3>
+<p><a name="index-casinh-164"></a><a name="index-casinhf-165"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex casinh(double complex <var>z</var>);
+ float complex casinhf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex arc hyperbolic sine of <var>z</var>,
+with branch cuts outside the interval [-i, +i] along the
+imaginary axis.
+ <p><code>casinhf</code> is identical to <code>casinh</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+These functions return the complex arc hyperbolic sine value,
+in the range of a strip mathematically unbounded along the
+real axis and in the interval [-i*p/2, +i*p/2] along the
+imaginary axis.
+ <p><br>
+<strong>Portability</strong><br>
+<code>casinh</code> and <code>casinhf</code> are ISO C99
+ <p><br>
 <div class="node">
+<a name="catan"></a>
 <p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#catanh">catanh</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#casinh">casinh</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.7 <code>catan</code>, <code>catanf</code>&mdash;complex arc tangent</h3>
+<p><a name="index-catan-166"></a><a name="index-catanf-167"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex catan(double complex <var>z</var>);
+ float complex catanf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex arc tangent of <var>z</var>,
+with branch cuts outside the interval [-i, +i] along the
+imaginary axis.
+ <p><code>catanf</code> is identical to <code>catan</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+These functions return the complex arc tangent value, in the range
+of a strip mathematically unbounded along the imaginary axis
+and in the interval [-pi/2, +pi/2] along the real axis.
+ <p><br>
+<strong>Portability</strong><br>
+<code>catan</code> and <code>catanf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="catanh"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#ccos">ccos</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#catan">catan</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.8 <code>catanh</code>, <code>catanhf</code>&mdash;complex arc hyperbolic tangent</h3>
+<p><a name="index-catanh-168"></a><a name="index-catanhf-169"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex catanh(double complex <var>z</var>);
+ float complex catanhf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex arc hyperbolic tan of <var>z</var>,
+with branch cuts outside the interval [-1, +1] along the
+real axis.
+ <p><code>catanhf</code> is identical to <code>catanh</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+These functions return the complex arc hyperbolic tangent value,
+in the range of a strip mathematically unbounded along the
+real axis and in the interval [-i*p/2, +i*p/2] along the
+imaginary axis.
+ <p><br>
+<strong>Portability</strong><br>
+<code>catanh</code> and <code>catanhf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="ccos"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#ccosh">ccosh</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#catanh">catanh</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.9 <code>ccos</code>, <code>ccosf</code>&mdash;complex cosine</h3>
+<p><a name="index-ccos-170"></a><a name="index-ccosf-171"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex ccos(double complex <var>z</var>);
+ float complex ccosf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex cosine of <var>z</var>.
+ <p><code>ccosf</code> is identical to <code>ccos</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+These functions return the complex cosine value.
+ <p><br>
+<strong>Portability</strong><br>
+<code>ccos</code> and <code>ccosf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="ccosh"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#cexp">cexp</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#ccos">ccos</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.10 <code>ccosh</code>, <code>ccoshf</code>&mdash;complex hyperbolic cosine</h3>
+<p><a name="index-ccosh-172"></a><a name="index-ccoshf-173"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex ccosh(double complex <var>z</var>);
+ float complex ccoshf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex hyperbolic cosine of <var>z</var>.
+ <p><code>ccoshf</code> is identical to <code>ccosh</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+These functions return the complex hyperbolic cosine value.
+ <p><br>
+<strong>Portability</strong><br>
+<code>ccosh</code> and <code>ccoshf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="cexp"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#cimag">cimag</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#ccosh">ccosh</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.11 <code>cexp</code>, <code>cexpf</code>&mdash;complex base-e exponential</h3>
+<p><a name="index-cexp-174"></a><a name="index-cexpf-175"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex cexp(double complex <var>z</var>);
+ float complex cexpf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex base-<var>e</var> exponential of <var>z</var>.
+ <p><code>cexpf</code> is identical to <code>cexp</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+The cexp functions return the complex base-<var>e</var> exponential value.
+ <p><br>
+<strong>Portability</strong><br>
+<code>cexp</code> and <code>cexpf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="cimag"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#clog">clog</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#cexp">cexp</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.12 <code>cimag</code>, <code>cimagf</code>&mdash;imaginary part</h3>
+<p><a name="index-cimag-176"></a><a name="index-cimagf-177"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double cimag(double complex <var>z</var>);
+ float cimagf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the imaginary part of <var>z</var>.
+ <p><code>cimagf</code> is identical to <code>cimag</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+The cimag functions return the imaginary part value (as a real).
+ <p><br>
+<strong>Portability</strong><br>
+<code>cimag</code> and <code>cimagf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="clog"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#conj">conj</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#cimag">cimag</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.13 <code>clog</code>, <code>clogf</code>&mdash;complex base-e logarithm</h3>
+<p><a name="index-clog-178"></a><a name="index-clogf-179"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex clog(double complex <var>z</var>);
+ float complex clogf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex natural (base-<var>e</var>) logarithm
+of <var>z</var>, with a branch cut along the negative real axis.
+ <p><code>clogf</code> is identical to <code>clog</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+The clog functions return the complex natural logarithm value, in
+the range of a strip mathematically unbounded along the real axis
+and in the interval [-i*pi , +i*pi] along the imaginary axis.
+ <p><br>
+<strong>Portability</strong><br>
+<code>clog</code> and <code>clogf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="conj"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#cpow">cpow</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#clog">clog</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.14 <code>conj</code>, <code>conjf</code>&mdash;complex conjugate</h3>
+<p><a name="index-conj-180"></a><a name="index-conjf-181"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex conj(double complex <var>z</var>);
+ float complex conjf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex conjugate of <var>z</var>,
+by reversing the sign of its imaginary part.
+ <p><code>conjf</code> is identical to <code>conj</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+The conj functions return the complex conjugate value.
+ <p><br>
+<strong>Portability</strong><br>
+<code>conj</code> and <code>conjf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="cpow"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#cproj">cproj</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#conj">conj</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.15 <code>cpow</code>, <code>cpowf</code>&mdash;complex power</h3>
+<p><a name="index-cpow-182"></a><a name="index-cpowf-183"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex cpow(double complex <var>x</var>, double complex <var>y</var>);
+ float complex cpowf(float complex <var>x</var>, float complex <var>y</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+The cpow functions compute the complex power function x^y
+power, with a branch cut for the first parameter along the
+negative real axis.
+ <p><code>cpowf</code> is identical to <code>cpow</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+The cpow functions return the complex power function value.
+ <p><br>
+<strong>Portability</strong><br>
+<code>cpow</code> and <code>cpowf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="cproj"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#creal">creal</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#cpow">cpow</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.16 <code>cproj</code>, <code>cprojf</code>&mdash; Riemann sphere projection</h3>
+<p><a name="index-cproj-184"></a><a name="index-cprojf-185"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex cproj(double complex <var>z</var>);
+ float complex cprojf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute a projection of <var>z</var> onto the Riemann
+sphere: <var>z</var> projects to <var>z</var> except that all complex infinities
+(even those with one infinite part and one NaN part) project
+to positive infinity on the real axis. If <var>z</var> has an infinite part,
+then <code>cproj</code>(<var>z</var>) is equivalent to
+ <p>INFINITY + I * copysign(0.0, cimag(z))
+ <p><code>cprojf</code> is identical to <code>cproj</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+The cproj functions return the value of the projection onto
+the Riemann sphere.
+ <p><br>
+<strong>Portability</strong><br>
+<code>cproj</code> and <code>cprojf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="creal"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#csin">csin</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#cproj">cproj</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.17 <code>creal</code>, <code>crealf</code>&mdash;real part</h3>
+<p><a name="index-creal-186"></a><a name="index-crealf-187"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double creal(double complex <var>z</var>);
+ float crealf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the real part of <var>z</var>.
+ <p><code>crealf</code> is identical to <code>creal</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+The creal functions return the real part value.
+ <p><br>
+<strong>Portability</strong><br>
+<code>creal</code> and <code>crealf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="csin"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#csinh">csinh</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#creal">creal</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.18 <code>csin</code>, <code>csinf</code>&mdash;complex sine</h3>
+<p><a name="index-csin-188"></a><a name="index-csinf-189"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex csin(double complex <var>z</var>);
+ float complex csinf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex sine of <var>z</var>.
+ <p><code>csinf</code> is identical to <code>csin</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+These functions return the complex sine value.
+ <p><br>
+<strong>Portability</strong><br>
+<code>csin</code> and <code>csinf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="csinh"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#csqrt">csqrt</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#csin">csin</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.19 <code>csinh</code>, <code>csinhf</code>&mdash;complex hyperbolic sine</h3>
+<p><a name="index-csinh-190"></a><a name="index-csinhf-191"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex csinh(double complex <var>z</var>);
+ float complex csinhf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex hyperbolic sine of <var>z</var>.
+ <p><code>ccoshf</code> is identical to <code>ccosh</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+These functions return the complex hyperbolic sine value.
+ <p><br>
+<strong>Portability</strong><br>
+<code>csinh</code> and <code>csinhf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="csqrt"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#ctan">ctan</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#csinh">csinh</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.20 <code>csqrt</code>, <code>csqrtf</code>&mdash;complex square root</h3>
+<p><a name="index-csqrt-192"></a><a name="index-csqrtf-193"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex csqrt(double complex <var>z</var>);
+ float complex csqrtf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex square root of <var>z</var>, with
+a branch cut along the negative real axis.
+ <p><code>csqrtf</code> is identical to <code>csqrt</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+The csqrt functions return the complex square root value, in
+the range of the right halfplane (including the imaginary axis).
+ <p><br>
+<strong>Portability</strong><br>
+<code>csqrt</code> and <code>csqrtf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="ctan"></a>
+<p><hr>
+Next:&nbsp;<a rel="next" accesskey="n" href="#ctanh">ctanh</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#csqrt">csqrt</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.21 <code>ctan</code>, <code>ctanf</code>&mdash;complex tangent</h3>
+<p><a name="index-ctan-194"></a><a name="index-ctanf-195"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex ctan(double complex <var>z</var>);
+ float complex ctanf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex tangent of <var>z</var>.
+ <p><code>ctanf</code> is identical to <code>ctan</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+These functions return the complex tangent value.
+ <p><br>
+<strong>Portability</strong><br>
+<code>ctan</code> and <code>ctanf</code> are ISO C99
+ <p><br>
+<div class="node">
+<a name="ctanh"></a>
+<p><hr>
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#ctan">ctan</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="#Complex">Complex</a>
+</div>
+<h3 class="section">2.22 <code>ctanh</code>, <code>ctanf</code>&mdash;complex hyperbolic tangent</h3>
+<p><a name="index-ctanh-196"></a><a name="index-ctanhf-197"></a><strong>Synopsis</strong>
+<pre class="example"> #include &lt;complex.h&gt;
+ double complex ctanh(double complex <var>z</var>);
+ float complex ctanhf(float complex <var>z</var>);
+ 
+</pre>
+ <p><strong>Description</strong><br>
+These functions compute the complex hyperbolic tangent of <var>z</var>.
+ <p><code>ctanhf</code> is identical to <code>ctanh</code>, except that it performs
+its calculations on <code>floats complex</code>.
+ <p><br>
+<strong>Returns</strong><br>
+These functions return the complex hyperbolic tangent value.
+ <p><br>
+<strong>Portability</strong><br>
+<code>ctanh</code> and <code>ctanhf</code> are ISO C99
+ <p><br>
+<div class="node">
 <a name="Reentrancy"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#Long-Double-Functions">Long Double Functions</a>,
-Previous:&nbsp;<a rel="previous" accesskey="p" href="#Math">Math</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="#Complex">Complex</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Top">Top</a>
 </div>
-<h2 class="chapter">2 Reentrancy Properties of <code>libm</code></h2>
+<h2 class="chapter">3 Reentrancy Properties of <code>libm</code></h2>
-<p><a name="index-reentrancy-154"></a><a name="index-g_t_0040code_007bmatherr_007d-and-reentrancy-155"></a>When a libm function detects an exceptional case, <code>errno</code> may be
+<p><a name="index-reentrancy-198"></a><a name="index-g_t_0040code_007bmatherr_007d-and-reentrancy-199"></a>When a libm function detects an exceptional case, <code>errno</code> may be
 set, the <code>matherr</code> function may be called, and a error message
 may be written to the standard error stream. This behavior may not
 be reentrant.
@@ -2576,22 +3392,22 @@ errors&mdash;and therefore no assignments to <code>errno</code> and no <code>mat
 calls; in that situation, the math functions behave reentrantly.
 <div class="node">
-<p><hr>
 <a name="Long-Double-Functions"></a>
+<p><hr>
 Next:&nbsp;<a rel="next" accesskey="n" href="#Index">Index</a>,
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#Reentrancy">Reentrancy</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Top">Top</a>
 </div>
-<h2 class="chapter">3 The long double function support of <code>libm</code></h2>
+<h2 class="chapter">4 The long double function support of <code>libm</code></h2>
 <p>Currently, the full set of long double math functions is only provided
 on platforms where long double equals double. 
 For such platforms, the long double math functions are implemented as calls to the double versions. 
 <div class="node">
-<p><hr>
 <a name="Index"></a>
+<p><hr>
 Previous:&nbsp;<a rel="previous" accesskey="p" href="#Long-Double-Functions">Long Double Functions</a>,
 Up:&nbsp;<a rel="up" accesskey="u" href="#Top">Top</a>
@@ -2614,14 +3430,58 @@ Up:&nbsp;<a rel="up" accesskey="u" href="#Top">Top</a>
 <li><a href="#index-atanf-14"><code>atanf</code></a>: <a href="#atan">atan</a></li>
 <li><a href="#index-atanh-17"><code>atanh</code></a>: <a href="#atanh">atanh</a></li>
 <li><a href="#index-atanhf-18"><code>atanhf</code></a>: <a href="#atanh">atanh</a></li>
+<li><a href="#index-cabs-154"><code>cabs</code></a>: <a href="#cabs">cabs</a></li>
+<li><a href="#index-cabsf-155"><code>cabsf</code></a>: <a href="#cabs">cabs</a></li>
+<li><a href="#index-cacos-156"><code>cacos</code></a>: <a href="#cacos">cacos</a></li>
+<li><a href="#index-cacosf-157"><code>cacosf</code></a>: <a href="#cacos">cacos</a></li>
+<li><a href="#index-cacosh-158"><code>cacosh</code></a>: <a href="#cacosh">cacosh</a></li>
+<li><a href="#index-cacoshf-159"><code>cacoshf</code></a>: <a href="#cacosh">cacosh</a></li>
+<li><a href="#index-carg-160"><code>carg</code></a>: <a href="#carg">carg</a></li>
+<li><a href="#index-cargf-161"><code>cargf</code></a>: <a href="#carg">carg</a></li>
+<li><a href="#index-casin-162"><code>casin</code></a>: <a href="#casin">casin</a></li>
+<li><a href="#index-casinf-163"><code>casinf</code></a>: <a href="#casin">casin</a></li>
+<li><a href="#index-casinh-164"><code>casinh</code></a>: <a href="#casinh">casinh</a></li>
+<li><a href="#index-casinhf-165"><code>casinhf</code></a>: <a href="#casinh">casinh</a></li>
+<li><a href="#index-catan-166"><code>catan</code></a>: <a href="#catan">catan</a></li>
+<li><a href="#index-catanf-167"><code>catanf</code></a>: <a href="#catan">catan</a></li>
+<li><a href="#index-catanh-168"><code>catanh</code></a>: <a href="#catanh">catanh</a></li>
+<li><a href="#index-catanhf-169"><code>catanhf</code></a>: <a href="#catanh">catanh</a></li>
 <li><a href="#index-cbrt-31"><code>cbrt</code></a>: <a href="#cbrt">cbrt</a></li>
 <li><a href="#index-cbrtf-32"><code>cbrtf</code></a>: <a href="#cbrt">cbrt</a></li>
+<li><a href="#index-ccos-170"><code>ccos</code></a>: <a href="#ccos">ccos</a></li>
+<li><a href="#index-ccosf-171"><code>ccosf</code></a>: <a href="#ccos">ccos</a></li>
+<li><a href="#index-ccosh-172"><code>ccosh</code></a>: <a href="#ccosh">ccosh</a></li>
+<li><a href="#index-ccoshf-173"><code>ccoshf</code></a>: <a href="#ccosh">ccosh</a></li>
 <li><a href="#index-ceil-51"><code>ceil</code></a>: <a href="#floor">floor</a></li>
 <li><a href="#index-ceilf-52"><code>ceilf</code></a>: <a href="#floor">floor</a></li>
+<li><a href="#index-cexp-174"><code>cexp</code></a>: <a href="#cexp">cexp</a></li>
+<li><a href="#index-cexpf-175"><code>cexpf</code></a>: <a href="#cexp">cexp</a></li>
+<li><a href="#index-cimag-176"><code>cimag</code></a>: <a href="#cimag">cimag</a></li>
+<li><a href="#index-cimagf-177"><code>cimagf</code></a>: <a href="#cimag">cimag</a></li>
+<li><a href="#index-clog-178"><code>clog</code></a>: <a href="#clog">clog</a></li>
+<li><a href="#index-clogf-179"><code>clogf</code></a>: <a href="#clog">clog</a></li>
+<li><a href="#index-conj-180"><code>conj</code></a>: <a href="#conj">conj</a></li>
+<li><a href="#index-conjf-181"><code>conjf</code></a>: <a href="#conj">conj</a></li>
 <li><a href="#index-copysign-33"><code>copysign</code></a>: <a href="#copysign">copysign</a></li>
 <li><a href="#index-copysignf-34"><code>copysignf</code></a>: <a href="#copysign">copysign</a></li>
 <li><a href="#index-cos-142"><code>cos</code></a>: <a href="#sin">sin</a></li>
 <li><a href="#index-cosf-143"><code>cosf</code></a>: <a href="#sin">sin</a></li>
+<li><a href="#index-cpow-182"><code>cpow</code></a>: <a href="#cpow">cpow</a></li>
+<li><a href="#index-cpowf-183"><code>cpowf</code></a>: <a href="#cpow">cpow</a></li>
+<li><a href="#index-cproj-184"><code>cproj</code></a>: <a href="#cproj">cproj</a></li>
+<li><a href="#index-cprojf-185"><code>cprojf</code></a>: <a href="#cproj">cproj</a></li>
+<li><a href="#index-creal-186"><code>creal</code></a>: <a href="#creal">creal</a></li>
+<li><a href="#index-crealf-187"><code>crealf</code></a>: <a href="#creal">creal</a></li>
+<li><a href="#index-csin-188"><code>csin</code></a>: <a href="#csin">csin</a></li>
+<li><a href="#index-csinf-189"><code>csinf</code></a>: <a href="#csin">csin</a></li>
+<li><a href="#index-csinh-190"><code>csinh</code></a>: <a href="#csinh">csinh</a></li>
+<li><a href="#index-csinhf-191"><code>csinhf</code></a>: <a href="#csinh">csinh</a></li>
+<li><a href="#index-csqrt-192"><code>csqrt</code></a>: <a href="#csqrt">csqrt</a></li>
+<li><a href="#index-csqrtf-193"><code>csqrtf</code></a>: <a href="#csqrt">csqrt</a></li>
+<li><a href="#index-ctan-194"><code>ctan</code></a>: <a href="#ctan">ctan</a></li>
+<li><a href="#index-ctanf-195"><code>ctanf</code></a>: <a href="#ctan">ctan</a></li>
+<li><a href="#index-ctanh-196"><code>ctanh</code></a>: <a href="#ctanh">ctanh</a></li>
+<li><a href="#index-ctanhf-197"><code>ctanhf</code></a>: <a href="#ctanh">ctanh</a></li>
 <li><a href="#index-erf-35"><code>erf</code></a>: <a href="#erf">erf</a></li>
 <li><a href="#index-erfc-37"><code>erfc</code></a>: <a href="#erf">erf</a></li>
 <li><a href="#index-erfcf-38"><code>erfcf</code></a>: <a href="#erf">erf</a></li>
@@ -2704,7 +3564,7 @@ Up:&nbsp;<a rel="up" accesskey="u" href="#Top">Top</a>
 <li><a href="#index-lround-112"><code>lround</code></a>: <a href="#lround">lround</a></li>
 <li><a href="#index-lroundf-113"><code>lroundf</code></a>: <a href="#lround">lround</a></li>
 <li><a href="#index-matherr-116"><code>matherr</code></a>: <a href="#matherr">matherr</a></li>
-<li><a href="#index-g_t_0040code_007bmatherr_007d-and-reentrancy-155"><code>matherr</code> and reentrancy</a>: <a href="#Reentrancy">Reentrancy</a></li>
+<li><a href="#index-g_t_0040code_007bmatherr_007d-and-reentrancy-199"><code>matherr</code> and reentrancy</a>: <a href="#Reentrancy">Reentrancy</a></li>
 <li><a href="#index-modf-117"><code>modf</code></a>: <a href="#modf">modf</a></li>
 <li><a href="#index-modff-118"><code>modff</code></a>: <a href="#modf">modf</a></li>
 <li><a href="#index-nan-119"><code>nan</code></a>: <a href="#nan">nan</a></li>
@@ -2716,7 +3576,7 @@ Up:&nbsp;<a rel="up" accesskey="u" href="#Top">Top</a>
 <li><a href="#index-OS-stubs-4">OS stubs</a>: <a href="#Math">Math</a></li>
 <li><a href="#index-pow-125"><code>pow</code></a>: <a href="#pow">pow</a></li>
 <li><a href="#index-powf-126"><code>powf</code></a>: <a href="#pow">pow</a></li>
-<li><a href="#index-reentrancy-154">reentrancy</a>: <a href="#Reentrancy">Reentrancy</a></li>
+<li><a href="#index-reentrancy-198">reentrancy</a>: <a href="#Reentrancy">Reentrancy</a></li>
 <li><a href="#index-remainder-127"><code>remainder</code></a>: <a href="#remainder">remainder</a></li>
 <li><a href="#index-remainderf-128"><code>remainderf</code></a>: <a href="#remainder">remainder</a></li>
 <li><a href="#index-remquo-129"><code>remquo</code></a>: <a href="#remquo">remquo</a></li>
@@ -2818,8 +3678,33 @@ Up:&nbsp;<a rel="up" accesskey="u" href="#Top">Top</a>
 <li><a href="#tanh">1.56 <code>tanh</code>, <code>tanhf</code>&mdash;hyperbolic tangent</a>
 <li><a href="#trunc">1.57 <code>trunc</code>, <code>truncf</code>&ndash;round to integer, towards zero</a>
 </li></ul>
-<li><a name="toc_Reentrancy" href="#Reentrancy">2 Reentrancy Properties of <code>libm</code></a>
+<li><a name="toc_Complex" href="#Complex">2 Mathematical Complex Functions (<samp><span class="file">complex.h</span></samp>)</a>
-<li><a name="toc_Long-Double-Functions" href="#Long-Double-Functions">3 The long double function support of <code>libm</code></a>
+<ul>
+<li><a href="#cabs">2.1 <code>cabs</code>, <code>cabsf</code>&mdash;complex absolute-value</a>
+<li><a href="#cacos">2.2 <code>cacos</code>, <code>cacosf</code>&mdash;complex arc cosine</a>
+<li><a href="#cacosh">2.3 <code>cacosh</code>, <code>cacoshf</code>&mdash;complex arc hyperbolic cosine</a>
+<li><a href="#carg">2.4 <code>carg</code>, <code>cargf</code>&mdash;argument (phase angle)</a>
+<li><a href="#casin">2.5 <code>casin</code>, <code>casinf</code>&mdash;complex arc sine</a>
+<li><a href="#casinh">2.6 <code>casinh</code>, <code>casinhf</code>&mdash;complex arc hyperbolic sine</a>
+<li><a href="#catan">2.7 <code>catan</code>, <code>catanf</code>&mdash;complex arc tangent</a>
+<li><a href="#catanh">2.8 <code>catanh</code>, <code>catanhf</code>&mdash;complex arc hyperbolic tangent</a>
+<li><a href="#ccos">2.9 <code>ccos</code>, <code>ccosf</code>&mdash;complex cosine</a>
+<li><a href="#ccosh">2.10 <code>ccosh</code>, <code>ccoshf</code>&mdash;complex hyperbolic cosine</a>
+<li><a href="#cexp">2.11 <code>cexp</code>, <code>cexpf</code>&mdash;complex base-e exponential</a>
+<li><a href="#cimag">2.12 <code>cimag</code>, <code>cimagf</code>&mdash;imaginary part</a>
+<li><a href="#clog">2.13 <code>clog</code>, <code>clogf</code>&mdash;complex base-e logarithm</a>
+<li><a href="#conj">2.14 <code>conj</code>, <code>conjf</code>&mdash;complex conjugate</a>
+<li><a href="#cpow">2.15 <code>cpow</code>, <code>cpowf</code>&mdash;complex power</a>
+<li><a href="#cproj">2.16 <code>cproj</code>, <code>cprojf</code>&mdash; Riemann sphere projection</a>
+<li><a href="#creal">2.17 <code>creal</code>, <code>crealf</code>&mdash;real part</a>
+<li><a href="#csin">2.18 <code>csin</code>, <code>csinf</code>&mdash;complex sine</a>
+<li><a href="#csinh">2.19 <code>csinh</code>, <code>csinhf</code>&mdash;complex hyperbolic sine</a>
+<li><a href="#csqrt">2.20 <code>csqrt</code>, <code>csqrtf</code>&mdash;complex square root</a>
+<li><a href="#ctan">2.21 <code>ctan</code>, <code>ctanf</code>&mdash;complex tangent</a>
+<li><a href="#ctanh">2.22 <code>ctanh</code>, <code>ctanf</code>&mdash;complex hyperbolic tangent</a>
+</li></ul>
+<li><a name="toc_Reentrancy" href="#Reentrancy">3 Reentrancy Properties of <code>libm</code></a>
+<li><a name="toc_Long-Double-Functions" href="#Long-Double-Functions">4 The long double function support of <code>libm</code></a>
 <li><a name="toc_Index" href="#Index">Index</a>
 </li></ul>
 </div>
author	Jeff Johnston <jjohnstn@redhat.com>	2010-12-16 22:49:51 +0000
committer	Jeff Johnston <jjohnstn@redhat.com>	2010-12-16 22:49:51 +0000
commit	b2b6e9a79c557025a7ec240a360e044f2b3a8dcc (patch)
tree	d94eacec27a3d6f1c5def86c0a9f22b794654a0e /libm.html
parent	temporary file (diff)