Free42 with IEEE 754-2008 decimal floating-point -- interested in a sneak preview?
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03-08-2014, 11:55 PM
(This post was last modified: 03-08-2014 11:58 PM by Thomas Okken.)
Post: #64
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RE: Free42 with IEEE 754-2008 decimal floating-point - interested in a sneak preview?
This is what's happened so far relative to 1.4.78:
* Decimal version: switched from BCD20 to Intel's Decimal Floating-Point Library v2.1. * Binary version: replaced the old binary-to-decimal and decimal-to-binary conversions with code that uses the standard C library's equivalent functionality. This fixes final-digit errors in the Binary version, and also final-digit errors when switching from the Decimal to the Binary version. * All versions: added angle reduction code to make SIN, COS, and ->REC more accurate in DEG and GRAD modes. * Windows version: now uses %APPDATA%\Free42 as the default Free42 directory (for storing state.bin, print.bin, and keymap.txt). This avoids permissions problems, in Windows Vista and later, when people install the executable in a directory to which they don't have write access, like the popular choice "C:\Program Files". Note that the last two of these are not yet in the packages at http://thomasokken.com/free42/download/intel-decimal/ . They will be when I finish the state file portability stuff, hopefully tomorrow. I'll post again when the final preview is ready. Of course, feel free to comment! |
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