What the answer is not equal here?

Question

float f1 = 0.1;
if(f1 == 0.1)
printf("Equal");
else
printf("Not equal");

O/P :- Not equal

Answer 1

Because floating point numbers have certain accuracy. Double type is more precise than float type. Please look at the code. Hope it helps you 😉
https://code.sololearn.com/c3S3k9To6R0D/?ref=app

Answer 2

Because in you need to write "if(f1 == 0.1f)". because the "f" tells the compiler to use the number as a float instead of a double.

Answer 3

Thanks to all of you guys

One more question
What will store if we store 0.1 in float ? Means will it store as 0.1 or as 0.100...?

Answer 4

Suraj Patra 0.100..., because of accuracy of the representation.

Answer 5

Thanks