Re: how compiler decide the range of real numbers in C...
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RAM_LOCK wrote: > Say 16 bit compiler (for ex Turbo C) uses 2's compliment to find the range of > signed integer. > Say for 16 bit n=16. Now applying 2's compliment equation : -2^(n-1) to > 2^(n-1) -1 > so for n=16 : The range is -32768 to 32767 > > This is ok. The question arises when it tell about real constant's range. > For 16 bit compiler the range of real constant is : -3.4e38 to 3.4e38 > > How they arrived to this real constant range? > > Can any one share the mathematical calculation behind it? http://en.wikipedia.org/wiki/IEEE_754-1985 -- Glynn Clements <glynn@xxxxxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html