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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
+
+ Copyright (C) 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
+ `http://fsf.org/'
+
+ Everyone is permitted to copy and distribute verbatim copies
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+ Preserve its Title (section 1) will typically require changing the
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+ 9. TERMINATION
+
+ You may not copy, modify, sublicense, or distribute the Document
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+ 10. FUTURE REVISIONS OF THIS LICENSE
+
+ The Free Software Foundation may publish new, revised versions of
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+ versions will be similar in spirit to the present version, but may
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+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:
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+ with the Invariant Sections being LIST THEIR TITLES, with
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+ being LIST.
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+ If you have Invariant Sections without Cover Texts, or some other
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+ If your document contains nontrivial examples of program code, we
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+
+
+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