search for: 60659

...ve is misleading! > > Rather read in ?Arithmetic (*the* reference to consult for such issues), > where the 2nd part of the following section > > || Implementation limits: > || > || [..............] > || > || Another potential issue is signed zeroes: on IEC 60659 platforms > || there are two zeroes with internal representations differing by > || sign. Where possible R treats them as the same, but for example > || direct output from C code often does not do so and may output > || ?-0.0? (and on Windows whether it does so...

Hi all, The documentation for head() and tail() describes the behavior of these generic functions when n is strictly positive (n > 0) and strictly negative (n < 0). How these functions work when given a zero value is not defined. Both GNU command-line utilities head and tail behave differently with +0 and -0: http://man7.org/linux/man-pages/man1/head.1.html

...0) whoa, whoa, .. slow down -- The above is misleading! Rather read in ?Arithmetic (*the* reference to consult for such issues), where the 2nd part of the following section || Implementation limits: || || [..............] || || Another potential issue is signed zeroes: on IEC 60659 platforms || there are two zeroes with internal representations differing by || sign. Where possible R treats them as the same, but for example || direct output from C code often does not do so and may output || ?-0.0? (and on Windows whether it does so or not depends on th...

...Rather read in ?Arithmetic (*the* reference to consult for such issues), >> where the 2nd part of the following section >> >> || Implementation limits: >> || >> || [..............] >> || >> || Another potential issue is signed zeroes: on IEC 60659 platforms >> || there are two zeroes with internal representations differing by >> || sign. Where possible R treats them as the same, but for example >> || direct output from C code often does not do so and may output >> || ?-0.0? (and on Windows whe...