sqrt() function strange behavouir

[Amrit Agr]

hi Developers, I am trying to get the result of this code

printf( "sqrt(36.0) = %f", sqrt(36.0) );

The mystry is that, If i have include math.h file, than I am getting proper result, bu I haven't, I am getting the result 0.000000 can you please help me out Thanks Amrit Agrawal

[Lost User]

I just tried without including math.h and it works fine. Try seeing what the actual definition of sqrt is when you have not included the header.

Use the best guess