115144b0fSOlivier Houchard$NetBSD: softfloat-history.txt,v 1.1 2000/06/06 08:15:08 bjh21 Exp $ 215144b0fSOlivier Houchard 315144b0fSOlivier HouchardHistory of Major Changes to SoftFloat, up to Release 2a 415144b0fSOlivier Houchard 515144b0fSOlivier HouchardJohn R. Hauser 615144b0fSOlivier Houchard1998 December 16 715144b0fSOlivier Houchard 815144b0fSOlivier Houchard 915144b0fSOlivier Houchard- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1015144b0fSOlivier HouchardRelease 2a (1998 December) 1115144b0fSOlivier Houchard 1215144b0fSOlivier Houchard-- Added functions to convert between 64-bit integers (int64) and all 1315144b0fSOlivier Houchard supported floating-point formats. 1415144b0fSOlivier Houchard 1515144b0fSOlivier Houchard-- Fixed a bug in all 64-bit-version square root functions except 1615144b0fSOlivier Houchard `float32_sqrt' that caused the result sometimes to be off by 1 unit in 1715144b0fSOlivier Houchard the last place (1 ulp) from what it should be. (Bug discovered by Paul 1815144b0fSOlivier Houchard Donahue.) 1915144b0fSOlivier Houchard 2015144b0fSOlivier Houchard-- Improved the makefiles. 2115144b0fSOlivier Houchard 2215144b0fSOlivier Houchard- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2315144b0fSOlivier HouchardRelease 2 (1997 June) 2415144b0fSOlivier Houchard 2515144b0fSOlivier Houchard-- Created the 64-bit (bits64) version, adding the floatx80 and float128 2615144b0fSOlivier Houchard formats. 2715144b0fSOlivier Houchard 2815144b0fSOlivier Houchard-- Changed the source directory structure, splitting the sources into a 2915144b0fSOlivier Houchard `bits32' and a `bits64' version. Renamed `environment.h' to `milieu.h' 3015144b0fSOlivier Houchard (to avoid confusion with environment variables). 3115144b0fSOlivier Houchard 3215144b0fSOlivier Houchard-- Fixed a small error that caused `float64_round_to_int' often to round the 3315144b0fSOlivier Houchard wrong way in nearest/even mode when the operand was between 2^20 and 2^21 3415144b0fSOlivier Houchard and halfway between two integers. 3515144b0fSOlivier Houchard 3615144b0fSOlivier Houchard- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3715144b0fSOlivier HouchardRelease 1a (1996 July) 3815144b0fSOlivier Houchard 3915144b0fSOlivier Houchard-- Corrected a mistake that caused borderline underflow cases not to raise 4015144b0fSOlivier Houchard the underflow flag when they should have. (Problem reported by Doug 4115144b0fSOlivier Houchard Priest.) 4215144b0fSOlivier Houchard 4315144b0fSOlivier Houchard-- Added the `float_detect_tininess' variable to control whether tininess is 4415144b0fSOlivier Houchard detected before or after rounding. 4515144b0fSOlivier Houchard 4615144b0fSOlivier Houchard- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4715144b0fSOlivier HouchardRelease 1 (1996 July) 4815144b0fSOlivier Houchard 4915144b0fSOlivier Houchard-- Original release. 5015144b0fSOlivier Houchard 5115144b0fSOlivier Houchard- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5215144b0fSOlivier Houchard 53