What is really strange is when I print the following lines, I obtain 2048: current := LibC uniqueInstance fegetround. LibC uniqueInstance fesetround: 2048. LibC uniqueInstance fegetround.
and 0 when I remove the first line : LibC uniqueInstance fesetround: 2048. LibC uniqueInstance fegetround. On Thu, May 24, 2018 at 10:37 AM Serge Stinckwich < serge.stinckw...@gmail.com> wrote: > > > On Thu, May 24, 2018 at 10:31 AM Steffen Märcker <merk...@web.de> wrote: > >> I actually made progress: It works like a charm! Basically, I >> implemented >> the same code as you. Testing is straightforward (using the constant >> values from libc): >> >> current := LibC fegetround. >> LibC fesetround: FE_DOWNWARDS. >> v1 := 1.0/10.0. >> LibC feesetround: FE_UPWARDS. >> v2 := 1.0/10.0. >> LibC feesetround: current. >> v1 < v2. "true" >> >> > but apparently nothing happens when you do : >> > LibC uniqueInstance fesetround: 1024. >> > LibC uniqueInstance fegetround. >> > always return 0. >> >> This is expected, since the fesetround function returns 0 only if the >> set >> operation was successful. >> >> > I was talking about fgetround function. > Can you check the value returns by your fegetround function ? > > Constants values are not dependent of the platform ? > > Can you commit yr code to Pharo 7.0 or if there is no interest for this > to PolyMath ? > Thank you. > -- > Serge Stinckwich > UMI UMMISCO 209 (SU/IRD/UY1) > "Programs must be written for people to read, and only incidentally for > machines to execute."http://www.doesnotunderstand.org/ > -- Serge Stinckwich UMI UMMISCO 209 (SU/IRD/UY1) "Programs must be written for people to read, and only incidentally for machines to execute."http://www.doesnotunderstand.org/
