These are not bugs.
----- Original Message ----- From: Dan Bron <[EMAIL PROTECTED]> Date: Friday, December 1, 2006 7:30 am Subject: [Jgeneral] Bug? Sin of pi. > Shouldn't the sin of pi be zero? > > 1 o. 1p1 > 1.22461e_16 > > This isn't a tolerance issue, because 1.22461e_16 isn't even > tolerantly equal to 0 : > > 0 = 1 o. 1p1 > 0 > > But maybe it's a precision issue w.r.t. 1p1 ? But, then, > shoudn't > J's internal trigonometric functions recognize J's internal > representation of pi? > > -Dan > > PS: Similar questions apply for other trigonometric functions, e.g.: > > 2 o. _0.5p1 > 6.12303e_17 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
