Re: [boost] Optimized portable isnan, isfinite, fpclassify etc

From: Johan Råde (rade_at_[hidden])
Date: 2006-12-09 12:53:12

Boris Gubenko wrote:

> aCC is the name of HP C++ compiler for HP-UX, both ia64 and PA-RISC.
> The compiler identification macro is __HP_aCC.
> 
> cxx is the name of HP C++ compiler for Tru64 and VMS: both AlphaVMS
> and VMS/ia64. The compiler identification macro is __DECCXX.
> 
> For Tru64, the compiler was not rebranded as HP C++ compiler and
> remains "Compaq C++". In reality, both AlphaVMS and Tru64 compilers
> were developed by DEC, hence __DECCXX macro. For iVMS, when the
> development started, DEC was already Compaq, now HP :-)
> 
> Boris

Is the following description correct:

"The library has been tested on the following platforms:

   ...
   Tru64 / Compaq C++ 7.1 / alpha  (in IEEE floating point mode)
   VMS / HP C++ 7.1 / alpha        (in IEEE floating point mode)
   VMS / HP C++ 7.2 / ia64         (in IEEE floating point mode)

The library does not support the VAX floating point mode
on Tru64 / Compaq C++ and VMS / HP C++."

--Johan

> 
> 
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