diff options
| author | David Schultz <das@FreeBSD.org> | 2012-01-20 06:16:37 +0000 |
|---|---|---|
| committer | David Schultz <das@FreeBSD.org> | 2012-01-20 06:16:37 +0000 |
| commit | 9e314d11d7e839f0aaf35b4dce7a622c42945711 (patch) | |
| tree | b7eab8532af93deec86924c338cfc486d832d5ed /softfloat-history.txt | |
Notes
Diffstat (limited to 'softfloat-history.txt')
| -rw-r--r-- | softfloat-history.txt | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/softfloat-history.txt b/softfloat-history.txt new file mode 100644 index 0000000000000..14fe06687950a --- /dev/null +++ b/softfloat-history.txt @@ -0,0 +1,52 @@ +$NetBSD: softfloat-history.txt,v 1.1 2000/06/06 08:15:08 bjh21 Exp $ + +History of Major Changes to SoftFloat, up to Release 2a + +John R. Hauser +1998 December 16 + + +- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Release 2a (1998 December) + +-- Added functions to convert between 64-bit integers (int64) and all + supported floating-point formats. + +-- Fixed a bug in all 64-bit-version square root functions except + `float32_sqrt' that caused the result sometimes to be off by 1 unit in + the last place (1 ulp) from what it should be. (Bug discovered by Paul + Donahue.) + +-- Improved the makefiles. + +- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Release 2 (1997 June) + +-- Created the 64-bit (bits64) version, adding the floatx80 and float128 + formats. + +-- Changed the source directory structure, splitting the sources into a + `bits32' and a `bits64' version. Renamed `environment.h' to `milieu.h' + (to avoid confusion with environment variables). + +-- Fixed a small error that caused `float64_round_to_int' often to round the + wrong way in nearest/even mode when the operand was between 2^20 and 2^21 + and halfway between two integers. + +- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Release 1a (1996 July) + +-- Corrected a mistake that caused borderline underflow cases not to raise + the underflow flag when they should have. (Problem reported by Doug + Priest.) + +-- Added the `float_detect_tininess' variable to control whether tininess is + detected before or after rounding. + +- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Release 1 (1996 July) + +-- Original release. + +- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + |