TTMath is a small library which allows one to perform arithmetic operations with big unsigned integer, big signed integer and big floating point numbers.
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/*
* This file is a part of TTMath Bignum Library
* and is distributed under the 3-Clause BSD Licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2006-2009, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name Tomasz Sowa nor the names of contributors to this
* project may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
this simple program is used to make constants which then are put into ttmathbig.h
*/
#include "../ttmath/ttmath.h"
#include <iostream>
void CalcPi()
{
ttmath::Big<1,400> pi;
// 3100 digits after commna, taken from: http://zenwerx.com/pi.php
pi = "3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679"
"8214808651328230664709384460955058223172535940812848111745028410270193852110555964462294895493038196"
"4428810975665933446128475648233786783165271201909145648566923460348610454326648213393607260249141273"
"7245870066063155881748815209209628292540917153643678925903600113305305488204665213841469519415116094"
"3305727036575959195309218611738193261179310511854807446237996274956735188575272489122793818301194912"
"9833673362440656643086021394946395224737190702179860943702770539217176293176752384674818467669405132"
"0005681271452635608277857713427577896091736371787214684409012249534301465495853710507922796892589235"
"4201995611212902196086403441815981362977477130996051870721134999999837297804995105973173281609631859"
"5024459455346908302642522308253344685035261931188171010003137838752886587533208381420617177669147303"
"5982534904287554687311595628638823537875937519577818577805321712268066130019278766111959092164201989"
"3809525720106548586327886593615338182796823030195203530185296899577362259941389124972177528347913151"
"5574857242454150695950829533116861727855889075098381754637464939319255060400927701671139009848824012"
"8583616035637076601047101819429555961989467678374494482553797747268471040475346462080466842590694912"
"9331367702898915210475216205696602405803815019351125338243003558764024749647326391419927260426992279"
"6782354781636009341721641219924586315030286182974555706749838505494588586926995690927210797509302955"
"3211653449872027559602364806654991198818347977535663698074265425278625518184175746728909777727938000"
"8164706001614524919217321721477235014144197356854816136115735255213347574184946843852332390739414333"
"4547762416862518983569485562099219222184272550254256887671790494601653466804988627232791786085784383"
"8279679766814541009538837863609506800642251252051173929848960841284886269456042419652850222106611863"
"0674427862203919494504712371378696095636437191728746776465757396241389086583264599581339047802759009"
"9465764078951269468398352595709825822620522489407726719478268482601476990902640136394437455305068203"
"4962524517493996514314298091906592509372216964615157098583874105978859597729754989301617539284681382"
"6868386894277415599185592524595395943104997252468084598727364469584865383673622262609912460805124388"
"4390451244136549762780797715691435997700129616089441694868555848406353422072225828488648158456028506"
"0168427394522674676788952521385225499546667278239864565961163548862305774564980355936345681743241125"
"1507606947945109659609402522887971089314566913686722874894056010150330861792868092087476091782493858"
"9009714909675985261365549781893129784821682998948722658804857564014270477555132379641451523746234364"
"5428584447952658678210511413547357395231134271661021359695362314429524849371871101457654035902799344"
"0374200731057853906219838744780847848968332144571386875194350643021845319104848100537061468067491927"
"8191197939952061419663428754440643745123718192179998391015919561814675142691239748940907186494231961"
"5679452080951465502252316038819301420937621378559566389377870830390697920773467221825625996615014215";
std::cout << "---------------- PI ----------------" << std::endl;
pi.mantissa.PrintTable(std::cout);
}
void CalcE()
{
ttmath::Big<1,400> e;
ttmath::uint steps;
// macro TTMATH_CONSTANTSGENERATOR has to be defined
e.ExpSurrounding0(1, &steps);
std::cout << "---------------- e ----------------" << std::endl;
e.mantissa.PrintTable(std::cout);
std::cout << "ExpSurrounding0(1): " << steps << " iterations" << std::endl;
}
void CalcLn(int x)
{
ttmath::Big<1,400> ln;
ttmath::uint steps;
// macro TTMATH_CONSTANTSGENERATOR has to be defined
ln.LnSurrounding1(x, &steps);
std::cout << "---------------- ln(" << x << ") ----------------" << std::endl;
ln.mantissa.PrintTable(std::cout);
std::cout << "LnSurrounding1(" << x << "): " << steps << " iterations" << std::endl;
}
int main()
{
CalcPi();
CalcE();
CalcLn(2);
CalcLn(10);
return 0;
}