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'==' operator for int==float

P: 3
int a=3;
float b=3.0;
printf("3.0 is equal to 3 in c language");

printf("it's not\n");
Sep 20 '16 #1
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3 Replies

Expert Mod 5K+
P: 9,197
You can't use operator== on a float. Because of float rounding, you will never be exactly equal.
Sep 21 '16 #2

P: 3
thanks for reply.
u mean o/p should be :-it's not
right ?
Sep 21 '16 #3

Expert 100+
P: 2,400
The issue isn't that you can't use the == operator with floating point operands; the compiler is happy to let you do it.

The issue is that you shouldn't do it because of the reason @weaknessforcats gave above.

The result of your comparison is unpredictable.
Sep 21 '16 #4

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