[es] - Broj PI u jeziku C

cvetkoj
cvetko JOvanovic

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^{26.07.2006. u 23:20 - pre 215 meseci}

>
pa sta znam, a i ovo pisem samo nesto da proverim

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<div>2006/7/26, X Files <<a href="mailto:[email protected]">[email protected]</a>>:
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Pogledaj ovde (ali pogledaj i napomene): (<a href="http://msdn2.microsoft.com/en-us/library/4hwaceh6.aspx">
http://msdn2.microsoft.com/en-us/library/4hwaceh6.aspx</a>: <a href="http://msdn2.microsoft.com/en-us/library/4hwaceh6.aspx">http://msdn2.microsoft.com/en-us/library/4hwaceh6.aspx</a> ) -- <a href="http://www.elitesecurity.org/p1227316">
http://www.elitesecurity.org/p...r> Prijave/odjave: <a href="http://www.elitesecurity.org/liste">http://www.elitesecurity.org/liste</a> Ne menjajte sledece dve linije ukoliko odgovarate putem emaila! 
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darkon
Darko Novakovic
Istrazivac, IMP
Beograd

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Re: Broj PI u jeziku C

^{27.07.2006. u 12:08 - pre 215 meseci}

U libc biblioteci pod Linux-om, u math.h header-u imaš konstantu M_PI.
Verovatno i pod Windows-om postoji slična konstanta u nekom sličnom header-u.

"Verovatno da preko nje mnoge sile kontrolišu mnogo šta..." - GANDOR
"Kada bi ljudski mozak bio tako jednostavan da bismo mogli da ga shvatimo, onda bismo mi bili toliko glupi da ga ipak ne bismo mogli shvatiti."

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idb
Ivan Bulic
Beograd

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Re: Broj PI u jeziku C

^{27.07.2006. u 12:33 - pre 215 meseci}

U slucaju Windows-a i Mingw/GCC imas u math.h, evo deo ovog zaglavlja:

Code:

/*
* math.h
* This file has no copyright assigned and is placed in the Public Domain.
* This file is a part of the mingw-runtime package.
* No warranty is given; refer to the file DISCLAIMER within the package.
*
* Mathematical functions.
*
*/

#ifndef _MATH_H_
#define _MATH_H_

#if __GNUC__ >= 3
#pragma GCC system_header
#endif

/* All the headers include this file. */
#include <_mingw.h>

/*
* Types for the _exception structure.
*/

#define _DOMAIN 1 /* domain error in argument */
#define _SING 2 /* singularity */
#define _OVERFLOW 3 /* range overflow */
#define _UNDERFLOW 4 /* range underflow */
#define _TLOSS 5 /* total loss of precision */
#define _PLOSS 6 /* partial loss of precision */
/*
* Exception types with non-ANSI names for compatibility.
*/

#ifndef __STRICT_ANSI__
#ifndef _NO_OLDNAMES

#define DOMAIN _DOMAIN
#define SING _SING
#define OVERFLOW _OVERFLOW
#define UNDERFLOW _UNDERFLOW
#define TLOSS _TLOSS
#define PLOSS _PLOSS

#endif /* Not _NO_OLDNAMES */
#endif /* Not __STRICT_ANSI__ */

/* Traditional/XOPEN math constants (double precison) */
#ifndef __STRICT_ANSI__
#define M_E 2.7182818284590452354
#define M_LOG2E 1.4426950408889634074
#define M_LOG10E 0.43429448190325182765
#define M_LN2 0.69314718055994530942
#define M_LN10 2.30258509299404568402
#define M_PI 3.14159265358979323846
#define M_PI_2 1.57079632679489661923
#define M_PI_4 0.78539816339744830962
#define M_1_PI 0.31830988618379067154
#define M_2_PI 0.63661977236758134308
#define M_2_SQRTPI 1.12837916709551257390
#define M_SQRT2 1.41421356237309504880
#define M_SQRT1_2 0.70710678118654752440
#endif
.
.
.

pozdrav idb

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