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deep_mode
2018 Jan 12
0
[cfe-dev] Why is #pragma STDC FENV_ACCESS not supported?
...ll give some data points from our OpenVMS Itanium (and Alpha)
platforms where we support multiple IEEE modes and dynamic rounding in
our C and Fortran compilers (we don't have actual FENV_ACCESS in our C
product but you can come close).
On the command line, you get to pick IEEE modes with:
/IEEE_MODE
/IEEE_MODE=option
/IEEE_MODE=DENORM_RESULTS (D)
Selects the IEEE floating-point mode to be used.
Options:
FAST During program execution, only finite values (no
infinities, NaNs, or denorms) are created.
...