[Cfp-interest] WG14 IEEE 754-C binding meeting minutes 2015/02/18
Fred J. Tydeman
tydeman at tybor.com
Thu Feb 19 11:15:40 PST 2015
On Thu, 19 Feb 2015 14:01:48 -0500 Ian McIntosh wrote:
>
>For #3 "Expressions of FP constants done at translation time, yet result is
>inexact, so depends upon rounding mode.", the IBM POWER XL and z/OS
>compilers have an option -y to control which rounding mode to use for
>expressions evaluated at compile time. Does that meet the requirement?
>
No, if I read you correctly. I read that as a fixed
static rounding mode to use at translation time.
I am thinking of different parts of the code running
under different rounding modes. Hence, the same
expression of FP constants evaluates to different values
in different parts of the code.
---
Fred J. Tydeman Tydeman Consulting
tydeman at tybor.com Testing, numerics, programming
+1 (775) 287-5904 Vice-chair of PL22.11 (ANSI "C")
Sample C99+FPCE tests: http://www.tybor.com
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