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How do we obtain a floating-point result from integer division in C without altering the integer variables?

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2024-11-19 18:47:02902browse

How do we obtain a floating-point result from integer division in C   without altering the integer variables?

Floating-Point Precision in Integer Division

In C , integer division often rounds the result down to the nearest integer. However, some operations require fractional precision. How can we obtain a floating-point result without modifying the integer variables?

Consider the following C code:

int a = 10, b = 3;
float ans = (a / b);

Despite setting floating-point formatting, the a / b expression truncates the result to 3.

The solution lies in type casting the operands to floats:

float ans = (float)a / (float)b;

By converting the integers to floats before division, the result maintains floating-point precision, as demonstrated by the following output:

3.333

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