1.3-12:计算球的体积

这是一个简单的C++程序,用于计算给定半径的球体体积。程序首先从用户那里接收半径值,然后利用公式4/3 * π * r³来计算体积,并使用固定精度输出结果。
#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
	double r;
	cin>>r;
	double pi=3.14;
	double v=4.0/3*pi*r*r*r;
    cout<<fixed<<setprecision(2)<<v;
	return 0;
}
--------------------------------------- Iteration 1( 132) --------------------------------------- POTLOK: cpu time 0.0894: real time 0.0909 SETDIJ: cpu time 1.0703: real time 1.0704 EDDAV: cpu time 57.4064: real time 57.4097 DOS: cpu time 0.0037: real time 0.0037 CHARGE: cpu time 1.0332: real time 1.0333 MIXING: cpu time 0.0145: real time 0.0145 -------------------------------------------- LOOP: cpu time 59.6175: real time 59.6223 eigenvalue-minimisations : 24264 total energy-change (2. order) : 0.5606874E-03 (-0.1097045E-02) number of electron 761.9999997 magnetization 2.0002973 augmentation part -16.2368256 magnetization 1.6969421 Broyden mixing: rms(total) = 0.10470E-01 rms(broyden)= 0.10448E-01 rms(prec ) = 0.11741E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 0.9891 5.2272 2.2840 2.2840 3.0210 3.0210 2.2244 1.9003 0.7202 1.2536 1.2536 1.2423 1.1465 1.1465 0.7435 0.7435 0.0774 0.0774 0.0103 0.0774 0.8615 0.1749 0.6055 0.6055 0.5199 0.5199 0.7328 0.7328 0.2929 0.2929 0.6974 0.5374 0.5374 0.4848 0.4848 0.5746 0.5746 0.4933 0.4933 0.4479 0.4479 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 4050.00630969 Ewald energy TEWEN = -53732.45685029 -Hartree energ DENC = -11229.79937663 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 1996.19252309 PAW double counting = 57181.63491366 -56434.86445844 entropy T*S EENTRO = -0.03934732 eigenvalues EBANDS = -3857.97773695 atomic energy EATOM = 61256.71170615 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -770.59231704 eV energy without entropy = -770.55296972 energy(sigma->0) = -770.57264338 --------------------------------------------------------------------------------------------------------这个计算结果对吗体系是ce32o63,正在进行的计算
最新发布
11-26
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