Charles Tritt / Mbed 2 deprecated DivideByZero

Demonstrates that Nucleo represents divide by zero result as inf, not an error.

Dependencies:   mbed

Fork of ArrayLimits by Charles Tritt

main.cpp

Committer:
CSTritt
Date:
2017-10-12
Revision:
2:68190b1e8bf3
Parent:
1:a000e0121191
Child:
3:f29617cd39a9

File content as of revision 2:68190b1e8bf3:


/*
    File: main.cpp
    Project: DivideByZero

    Demonstrates divide by zero on Nucleo boards. Result is inf, not an error.
    
    Created by Dr. C. S. Tritt; Last revised 10/12/17 (v. 1.0)
*/
#include "mbed.h"

int main()
{
    printf("Hello World !\n\n");

    for (int i = 5; i >= -5; i--) { // Displays inf for 1/0.
        float x = (float) i;
        printf("x is %f and 1/x is %f.\n", x, 1/x);
        wait(0.5f);
    }
    
    float x = 1.0f/0.0f; // Produces compile time warning.
    // Prints three infs.
    printf("\nx, x+1.0 & 2.0*x are: %f, %f, %f.\n", x, x+1.0f, 2.0f*x);
    
    while (true) {}; // Just loop here forever after tests.
}