Prallel programing

Variant 3

Build and run

Before building an running

cd bin/lab<number>

Command to build

~/local/bin/mpicxx ../../lab<number>/main.cxx -o lab<number> -g

Command to run

~/local/bin/mpirun -np 4 lab<number>

Lab1

Square root calculation of x with accuracy 1e-8

Input

1.5     // value under the square root

Output

1.224744873

Lab2

Integration of f(x) = log2(x^3) with accuracy 1e-4 using right rectangles method.

Input

5       // a
1500    // b
0.0001  // accuracy

Output

1.224744873

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