I'm not away of any difference in *float* values in implementations since Cray stopped doing 64b float in the 1990s (I may have the details wrong - I just remember code that calls SGEMM when DGEMM is used otherwise).
Jörg On Thursday, September 1, 2016, William Gropp <wgr...@illinois.edu> wrote: > This is true. The meaning of integer values of kind is up to the > implementation, and at least two choices are in use. > > Bill > > William Gropp > Acting Director and Chief Scientist, NCSA > Director, Parallel Computing Institute > Thomas M. Siebel Chair in Computer Science > University of Illinois Urbana-Champaign > > > > > > On Sep 1, 2016, at 6:15 PM, Blaise A Bourdin <bour...@lsu.edu > <javascript:_e(%7B%7D,'cvml','bour...@lsu.edu');>> wrote: > > If I recall correctly, fortran does not mandate that > "selected_real_kind(5)" means the same across compilers, so that hardcoding > kind values may not be portable. > > > -- Jeff Hammond jeff.scie...@gmail.com http://jeffhammond.github.io/