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+This is libquadmath.info, produced by makeinfo version 4.13 from
+/home/jakub/gcc-4.6.4/gcc-4.6.4/libquadmath/libquadmath.texi.
+
+Copyright (C) 2010 Free Software Foundation, Inc.
+
+     Permission is granted to copy, distribute and/or modify this
+     document under the terms of the GNU Free Documentation License,
+     Version 1.2 or any later version published by the Free Software
+     Foundation; with no Invariant Sections, with the Front-Cover Texts
+     being "A GNU Manual," and with the Back-Cover Texts as in (a)
+     below.  A copy of the license is included in the section entitled
+     "GNU Free Documentation License."
+
+     (a) The FSF's Back-Cover Text is: "You have the freedom to copy
+     and modify this GNU manual.
+
+INFO-DIR-SECTION GNU Libraries
+START-INFO-DIR-ENTRY
+* libquadmath: (libquadmath).                  GCC Quad-Precision Math Library
+END-INFO-DIR-ENTRY
+
+   This manual documents the GCC Quad-Precision Math Library API.
+
+   Published by the Free Software Foundation 51 Franklin Street, Fifth
+Floor Boston, MA 02110-1301 USA
+
+   Copyright (C) 2010 Free Software Foundation, Inc.
+
+     Permission is granted to copy, distribute and/or modify this
+     document under the terms of the GNU Free Documentation License,
+     Version 1.2 or any later version published by the Free Software
+     Foundation; with no Invariant Sections, with the Front-Cover Texts
+     being "A GNU Manual," and with the Back-Cover Texts as in (a)
+     below.  A copy of the license is included in the section entitled
+     "GNU Free Documentation License."
+
+     (a) The FSF's Back-Cover Text is: "You have the freedom to copy
+     and modify this GNU manual.
+
+
+File: libquadmath.info,  Node: Top,  Next: Typedef and constants,  Up: (dir)
+
+Introduction
+************
+
+This manual documents the usage of libquadmath, the GCC Quad-Precision
+Math Library Application Programming Interface (API).
+
+* Menu:
+
+* Typedef and constants::      Defined data types and constants
+* Math Library Routines::      The Libquadmath math runtime application
+                               programming interface.
+* I/O Library Routines::       The Libquadmath I/O runtime application
+                               programming interface.
+* GNU Free Documentation License::
+                               How you can copy and share this manual.
+* Reporting Bugs::             How to report bugs in GCC Libquadmath.
+
+
+File: libquadmath.info,  Node: Typedef and constants,  Next: Math Library Routines,  Prev: Top,  Up: Top
+
+1 Typedef and constants
+***********************
+
+The following data type has been defined via `typedef'.
+
+`__complex128': `__float128'-based complex number
+
+   The following macros are defined, which give the numeric limits of
+the `__float128' data type.
+
+`FLT128_MAX': largest finite number
+
+`FLT128_MIN': smallest positive number with full precision
+
+`FLT128_EPSILON': difference between 1 and the next larger
+     representable number
+
+`FLT128_DENORM_MIN': smallest positive denormalized number
+
+`FLT128_MANT_DIG': number of digits in the mantissa (bit precision)
+
+`FLT128_MIN_EXP': maximal negative exponent
+
+`FLT128_MAX_EXP': maximal positive exponent
+
+`FLT128_DIG': number of decimal digits in the mantissa
+
+`FLT128_MIN_10_EXP': maximal negative decimal exponent
+
+`FLT128_MAX_10_EXP': maximal positive decimal exponent
+
+   The following mathematical constants of type `__float128' are
+defined.
+
+`M_Eq': the constant e (Euler's number)
+
+`M_LOG2Eq': binary logarithm of 2
+
+`M_LOG10Eq': common, decimal logarithm of 2
+
+`M_LN2q': natural logarithm of 2
+
+`M_LN10q': natural logarithm of 10
+
+`M_PIq': pi
+
+`M_PI_2q': two pi
+
+`M_PI_4q': four pi
+
+`M_1_PIq': one over pi
+
+`M_2_PIq': one over two pi
+
+`M_2_SQRTPIq': two over square root of pi
+
+`M_SQRT2q': square root of 2
+
+`M_SQRT1_2q': one over square root of 2
+
+
+File: libquadmath.info,  Node: Math Library Routines,  Next: I/O Library Routines,  Prev: Typedef and constants,  Up: Top
+
+2 Math Library Routines
+***********************
+
+The following mathematical functions are available:
+
+`acosq': arc cosine function
+
+`acoshq': inverse hyperbolic cosine function
+
+`asinq': arc sine function
+
+`asinhq': inverse hyperbolic sine function
+
+`atanq': arc tangent function
+
+`atanhq': inverse hyperbolic tangent function
+
+`atan2q': arc tangent function
+
+`cbrtq': cube root function
+
+`ceilq': ceiling value function
+
+`copysignq': copy sign of a number
+
+`coshq': hyperbolic cosine function
+
+`cosq': cosine function
+
+`erfq': error function
+
+`erfcq': complementary error function
+
+`expq': exponential function
+
+`expm1q': exponential minus 1 function
+
+`fabsq': absolute value function
+
+`fdimq': positive difference function
+
+`finiteq': check finiteness of value
+
+`floorq': floor value function
+
+`fmaq': fused multiply and add
+
+`fmaxq': determine maximum of two values
+
+`fminq': determine minimum of two values
+
+`fmodq': remainder value function
+
+`frexpq': extract mantissa and exponent
+
+`hypotq': Eucledian distance function
+
+`ilogbq': get exponent of the value
+
+`isinfq': check for infinity
+
+`isnanq': check for not a number
+
+`j0q': Bessel function of the first kind, first order
+
+`j1q': Bessel function of the first kind, second order
+
+`jnq': Bessel function of the first kind, N-th order
+
+`ldexpq': load exponent of the value
+
+`lgammaq': logarithmic gamma function
+
+`llrintq': round to nearest integer value
+
+`llroundq': round to nearest integer value away from zero
+
+`logq': natural logarithm function
+
+`log10q': base 10 logarithm function
+
+`log1pq': compute natural logarithm of the value plus one
+
+`log2q': base 2 logarithm function
+
+`lrintq': round to nearest integer value
+
+`lroundq': round to nearest integer value away from zero
+
+`modfq': decompose the floating-point number
+
+`nanq': return quiet NaN
+
+`nearbyintq': round to nearest integer
+
+`nextafterq': next representable floating-point number
+
+`powq': power function
+
+`remainderq': remainder function
+
+`remquoq': remainder and part of quotient
+
+`rintq': round-to-nearest integral value
+
+`roundq': round-to-nearest integral value, return `__float128'
+
+`scalblnq': compute exponent using `FLT_RADIX'
+
+`scalbnq': compute exponent using `FLT_RADIX'
+
+`signbitq': return sign bit
+
+`sincosq': calculate sine and cosine simulataneously
+
+`sinhq': hyperbolic sine function
+
+`sinq': sine function
+
+`sqrtq': square root function
+
+`tanq': tangent function
+
+`tanhq': hyperbolic tangent function
+
+`tgammaq': true gamma function
+
+`truncq': round to integer, towards zero
+
+`y0q': Bessel function of the second kind, first order
+
+`y1q': Bessel function of the second kind, second order
+
+`ynq': Bessel function of the second kind, N-th order
+
+`cabsq' complex absolute value function
+
+`cargq': calculate the argument
+
+`cimagq' imaginary part of complex number
+
+`crealq': real part of complex number
+
+`cacoshq': complex arc hyperbolic cosine function
+
+`cacosq': complex arc cosine function
+
+`casinhq': complex arc hyperbolic sine function
+
+`casinq': complex arc sine function
+
+`catanhq': complex arc hyperbolic tangent function
+
+`catanq': complex arc tangent function
+
+`ccosq' complex cosine function:
+
+`ccoshq': complex hyperbolic cosine function
+
+`cexpq': complex exponential function
+
+`cexpiq': computes the exponential function of "i" times a
+     real value
+
+`clogq': complex natural logarithm
+
+`clog10q': complex base 10 logarithm
+
+`conjq': complex conjugate function
+
+`cpowq': complex power function
+
+`cprojq': project into Riemann Sphere
+
+`csinq': complex sine function
+
+`csinhq': complex hyperbolic sine function
+
+`csqrtq': complex square root
+
+`ctanq': complex tangent function
+
+`ctanhq': complex hyperbolic tangent function
+
+
+File: libquadmath.info,  Node: I/O Library Routines,  Next: GNU Free Documentation License,  Prev: Math Library Routines,  Up: Top
+
+3 I/O Library Routines
+**********************
+
+* Menu:
+
+* `strtoflt128':          strtoflt128,          Convert from string
+* `quadmath_snprintf':    quadmath_snprintf,    Convert to string
+
+
+File: libquadmath.info,  Node: strtoflt128,  Next: quadmath_snprintf,  Up: I/O Library Routines
+
+3.1 `strtoflt128' -- Convert from string
+========================================
+
+The function `dmath_strtopQ' converts a string into a `__float128'
+number.
+
+Syntax
+     `__float128 strtoflt128 (const char *s, char **sp)'
+
+_Arguments_:
+     S          input string
+     SP         the address of the next character in the string
+
+     The argument SP contains, if not `NULL', the address of the next
+     character following the parts of the string, which have been read.
+
+Example
+          #include <quadmath.h>
+
+          int main ()
+          {
+            __float128 r;
+
+            r = strtoflt128 ("1.2345678", NULL);
+
+            return 0;
+          }
+
+
+File: libquadmath.info,  Node: quadmath_snprintf,  Prev: strtoflt128,  Up: I/O Library Routines
+
+3.2 `quadmath_snprintf' -- Convert to string
+============================================
+
+The function `quadmath_snprintf' converts a `__float128' floating-point
+number into a string.  It is a specialized alternative to `snprintf',
+where the format string is restricted to a single conversion specifier
+with `Q' modifier and conversion specifier `e', `E', `f', `F', `g',
+`G', `a' or `A', with no extra characters before or after the
+conversion specifier.  The `%m$' or `*m$' style must not be used in the
+format.
+
+Syntax
+     `int quadmath_snprintf (char *s, size_t size, const char *format,
+     ...)'
+
+_Arguments_:
+     S          output string
+     SIZE       byte size of the string, including tailing NUL
+     FORMAT     conversion specifier string
+
+Example
+          #include <quadmath.h>
+          #include <stdlib.h>
+          #include <stdio.h>
+
+          int main ()
+          {
+            __float128 r;
+            int prec = 20;
+            int width = 46;
+            char buf[128];
+
+            r = 2.0q;
+            r = sqrtq (r);
+            int n = quadmath_snprintf (buf, sizeof buf, "%+-#*.20Qe", width, r);
+            if ((size_t) n < sizeof buf)
+              printf ("%s\n", buf);
+              /* Prints: +1.41421356237309504880e+00 */
+            quadmath_snprintf (buf, sizeof buf, "%Qa", r);
+            if ((size_t) n < sizeof buf)
+              printf ("%s\n", buf);
+              /* Prints: 0x1.6a09e667f3bcc908b2fb1366ea96p+0 */
+            n = quadmath_snprintf (NULL, 0, "%+-#46.*Qe", prec, r);
+            if (n > -1)
+              {
+                char *str = malloc (n + 1);
+                if (str)
+                  {
+                    quadmath_snprintf (str, n + 1, "%+-#46.*Qe", prec, r);
+                    printf ("%s\n", str);
+                    /* Prints: +1.41421356237309504880e+00 */
+                  }
+                free (str);
+              }
+            return 0;
+          }
+
+
+   On some targets when supported by the C library hooks are installed
+for `printf' family of functions, so that `printf ("%Qe", 1.2Q);' etc.
+works too.
+
+
+File: libquadmath.info,  Node: GNU Free Documentation License,  Next: Reporting Bugs,  Prev: I/O Library Routines,  Up: Top
+
+GNU Free Documentation License
+******************************
+
+                     Version 1.3, 3 November 2008
+
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+     `http://fsf.org/'
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+     The author(s) and publisher(s) of the Document do not by this
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+  5. COMBINING DOCUMENTS
+
+     You may combine the Document with other documents released under
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+     The combined work need only contain one copy of this License, and
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+
+     In the combination, you must combine any sections Entitled
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+     Entitled "History"; likewise combine any sections Entitled
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+     must delete all sections Entitled "Endorsements."
+
+  6. COLLECTIONS OF DOCUMENTS
+
+     You may make a collection consisting of the Document and other
+     documents released under this License, and replace the individual
+     copies of this License in the various documents with a single copy
+     that is included in the collection, provided that you follow the
+     rules of this License for verbatim copying of each of the
+     documents in all other respects.
+
+     You may extract a single document from such a collection, and
+     distribute it individually under this License, provided you insert
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+
+  7. AGGREGATION WITH INDEPENDENT WORKS
+
+     A compilation of the Document or its derivatives with other
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+
+     If the Cover Text requirement of section 3 is applicable to these
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+  8. TRANSLATION
+
+     Translation is considered a kind of modification, so you may
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+     include the original English version of this License and the
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+     disagreement between the translation and the original version of
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+     prevail.
+
+     If a section in the Document is Entitled "Acknowledgements",
+     "Dedications", or "History", the requirement (section 4) to
+     Preserve its Title (section 1) will typically require changing the
+     actual title.
+
+  9. TERMINATION
+
+     You may not copy, modify, sublicense, or distribute the Document
+     except as expressly provided under this License.  Any attempt
+     otherwise to copy, modify, sublicense, or distribute it is void,
+     and will automatically terminate your rights under this License.
+
+     However, if you cease all violation of this License, then your
+     license from a particular copyright holder is reinstated (a)
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+
+     Moreover, your license from a particular copyright holder is
+     reinstated permanently if the copyright holder notifies you of the
+     violation by some reasonable means, this is the first time you have
+     received notice of violation of this License (for any work) from
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+     after your receipt of the notice.
+
+     Termination of your rights under this section does not terminate
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+     the same material does not give you any rights to use it.
+
+ 10. FUTURE REVISIONS OF THIS LICENSE
+
+     The Free Software Foundation may publish new, revised versions of
+     the GNU Free Documentation License from time to time.  Such new
+     versions will be similar in spirit to the present version, but may
+     differ in detail to address new problems or concerns.  See
+     `http://www.gnu.org/copyleft/'.
+
+     Each version of the License is given a distinguishing version
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+     you may choose any version ever published (not as a draft) by the
+     Free Software Foundation.  If the Document specifies that a proxy
+     can decide which future versions of this License can be used, that
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+
+ 11. RELICENSING
+
+     "Massive Multiauthor Collaboration Site" (or "MMC Site") means any
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+     "CC-BY-SA" means the Creative Commons Attribution-Share Alike 3.0
+     license published by Creative Commons Corporation, a not-for-profit
+     corporation with a principal place of business in San Francisco,
+     California, as well as future copyleft versions of that license
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+
+     "Incorporate" means to publish or republish a Document, in whole or
+     in part, as part of another Document.
+
+     An MMC is "eligible for relicensing" if it is licensed under this
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+     License somewhere other than this MMC, and subsequently
+     incorporated in whole or in part into the MMC, (1) had no cover
+     texts or invariant sections, and (2) were thus incorporated prior
+     to November 1, 2008.
+
+     The operator of an MMC Site may republish an MMC contained in the
+     site under CC-BY-SA on the same site at any time before August 1,
+     2009, provided the MMC is eligible for relicensing.
+
+
+ADDENDUM: How to use this License for your documents
+====================================================
+
+To use this License in a document you have written, include a copy of
+the License in the document and put the following copyright and license
+notices just after the title page:
+
+       Copyright (C)  YEAR  YOUR NAME.
+       Permission is granted to copy, distribute and/or modify this document
+       under the terms of the GNU Free Documentation License, Version 1.3
+       or any later version published by the Free Software Foundation;
+       with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
+       Texts.  A copy of the license is included in the section entitled ``GNU
+       Free Documentation License''.
+
+   If you have Invariant Sections, Front-Cover Texts and Back-Cover
+Texts, replace the "with...Texts." line with this:
+
+         with the Invariant Sections being LIST THEIR TITLES, with
+         the Front-Cover Texts being LIST, and with the Back-Cover Texts
+         being LIST.
+
+   If you have Invariant Sections without Cover Texts, or some other
+combination of the three, merge those two alternatives to suit the
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+
+   If your document contains nontrivial examples of program code, we
+recommend releasing these examples in parallel under your choice of
+free software license, such as the GNU General Public License, to
+permit their use in free software.
+
+
+File: libquadmath.info,  Node: Reporting Bugs,  Prev: GNU Free Documentation License,  Up: Top
+
+4 Reporting Bugs
+****************
+
+Bugs in the GCC Quad-Precision Math Library implementation should be
+reported via `http://gcc.gnu.org/bugs.html'.
+
+
+
+Tag Table:
+Node: Top1669
+Node: Typedef and constants2403
+Node: Math Library Routines3821
+Node: I/O Library Routines7626
+Node: strtoflt1287951
+Node: quadmath_snprintf8711
+Node: GNU Free Documentation License10902
+Node: Reporting Bugs36068
+
+End Tag Table