Comments on: “Is infinity a number?” http://wackymommy.org/blog/archive/2009/07/13/is_infinity_a_number/ Because I Said So Wed, 01 Feb 2012 21:54:00 +0000 hourly 1 http://wordpress.org/?v=3.2.1 By: WackyMommy http://wackymommy.org/blog/archive/2009/07/13/is_infinity_a_number/comment-page-1/#comment-38543 WackyMommy Mon, 13 Jul 2009 22:52:35 +0000 http://wackymommy.org/?p=1798#comment-38543 What he said. Perhaps you and the children should have a math lesson when you get home. Brush up on the skills little bit. What he said. Perhaps you and the children should have a math lesson when you get home. Brush up on the skills little bit.

]]> By: Steve http://wackymommy.org/blog/archive/2009/07/13/is_infinity_a_number/comment-page-1/#comment-38538 Steve Mon, 13 Jul 2009 21:52:53 +0000 http://wackymommy.org/?p=1798#comment-38538 While not a number, infinity is treated differently than a NaN ("Not a Number"), at least as implemented under ANSI/IEEE Std. for Binary Floting-Point Arithmetic 754-1985. So it's neither a number nor a NaN. Poor infinity. Don't get me started on signed zero. ["When the sum of two operands with opposite signs (or the difference of two operands with like signs) is exactly zero, the sign of that sum (or difference) shall be + in all rounding modes except round toward -∞, in which mode that sign shall be -. However....] While not a number, infinity is treated differently than a NaN (“Not a Number”), at least as implemented under ANSI/IEEE Std. for Binary Floting-Point Arithmetic 754-1985.

So it’s neither a number nor a NaN.

Poor infinity.

Don’t get me started on signed zero. ["When the sum of two operands with opposite signs (or the difference of two operands with like signs) is exactly zero, the sign of that sum (or difference) shall be + in all rounding modes except round toward -∞, in which mode that sign shall be -. However....]

]]> By: Debbie Davis http://wackymommy.org/blog/archive/2009/07/13/is_infinity_a_number/comment-page-1/#comment-38533 Debbie Davis Mon, 13 Jul 2009 20:34:43 +0000 http://wackymommy.org/?p=1798#comment-38533 This is great - infinity plus one! enJOY your day! This is great – infinity plus one! enJOY your day!

]]>