// Copyright (C) 1988-1994 Sun Microsystems, Inc. 2550 Garcia Avenue // Mountain View, California 94043 All rights reserved. // // Any person is hereby authorized to download, copy, use, create bug fixes, // and distribute, subject to the following conditions: // // 1. the software may not be redistributed for a fee except as // reasonable to cover media costs; // 2. any copy of the software must include this notice, as well as // any other embedded copyright notices; and // 3. any distribution of this software or derivative works thereof // must comply with all applicable U.S. export control laws. // // THE SOFTWARE IS MADE AVAILABLE "AS IS" AND WITHOUT EXPRESS OR IMPLIED // WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO THE IMPLIED // WARRANTIES OF DESIGN, MERCHANTIBILITY, FITNESS FOR A PARTICULAR // PURPOSE, NON-INFRINGEMENT, PERFORMANCE OR CONFORMANCE TO // SPECIFICATIONS. // // BY DOWNLOADING AND/OR USING THIS SOFTWARE, THE USER WAIVES ALL CLAIMS // AGAINST SUN MICROSYSTEMS, INC. AND ITS AFFILIATED COMPANIES IN ANY // JURISDICTION, INCLUDING BUT NOT LIMITED TO CLAIMS FOR DAMAGES OR // EQUITABLE RELIEF BASED ON LOSS OF DATA, AND SPECIFICALLY WAIVES EVEN // UNKNOWN OR UNANTICIPATED CLAIMS OR LOSSES, PRESENT AND FUTURE. // // IN NO EVENT WILL SUN MICROSYSTEMS, INC. OR ANY OF ITS AFFILIATED // COMPANIES BE LIABLE FOR ANY LOST REVENUE OR PROFITS OR OTHER SPECIAL, // INDIRECT AND CONSEQUENTIAL DAMAGES, EVEN IF IT HAS BEEN ADVISED OF THE // POSSIBILITY OF SUCH DAMAGES. // // This file is provided with no support and without any obligation on the // part of Sun Microsystems, Inc. ("Sun") or any of its affiliated // companies to assist in its use, correction, modification or // enhancement. Nevertheless, and without creating any obligation on its // part, Sun welcomes your comments concerning the software and requests // that they be sent to fdlibm-comments@sunpro.sun.com. // tanh(+-max) = +-1 T(RN, 0x1.fffffep+127, 0x1p+0, 0x0p+0, INEXACT) T(RN,-0x1.fffffep+127, -0x1p+0, 0x0p+0, INEXACT) T(RZ, 0x1.fffffep+127, 0x1.fffffep-1, -0x1p+0, INEXACT) T(RZ,-0x1.fffffep+127, -0x1.fffffep-1, 0x1p+0, INEXACT) T(RU, 0x1.fffffep+127, 0x1p+0, 0x0p+0, INEXACT) T(RU,-0x1.fffffep+127, -0x1.fffffep-1, 0x1p+0, INEXACT) T(RD, 0x1.fffffep+127, 0x1.fffffep-1, -0x1p+0, INEXACT) T(RD,-0x1.fffffep+127, -0x1p+0, 0x0p+0, INEXACT) // tanh(tiny) :=: tiny T(RN, 0x1p-29, 0x1p-29, 0x1.555556p-37, INEXACT) T(RN, -0x1p-29, -0x1p-29, -0x1.555556p-37, INEXACT) T(RN, 0x1p-126, 0x1p-126, 0x0p+0, INEXACT) T(RN, -0x1p-126, -0x1p-126, 0x0p+0, INEXACT) // tanh(+-0) = +-0 T(RN, 0x0p+0, 0x0p+0, 0x0p+0, 0) T(RN, -0x0p+0, -0x0p+0, 0x0p+0, 0) T(RZ, 0x0p+0, 0x0p+0, 0x0p+0, 0) T(RZ, -0x0p+0, -0x0p+0, 0x0p+0, 0) T(RU, 0x0p+0, 0x0p+0, 0x0p+0, 0) T(RU, -0x0p+0, -0x0p+0, 0x0p+0, 0) T(RD, 0x0p+0, 0x0p+0, 0x0p+0, 0) T(RD, -0x0p+0, -0x0p+0, 0x0p+0, 0) // random arguments between -9 9 T(RN, -0x1.358d5cp+1, -0x1.f7f0d6p-1, 0x1.36d18cp-2, INEXACT) T(RN, 0x1.9a3dfp+2, 0x1.ffff4ap-1, -0x1.a1a278p-3, INEXACT) T(RN, 0x1.fb23ap+2, 0x1.fffff8p-1, 0x1.94fd3p-2, INEXACT) T(RN, -0x1.80af5p+2, -0x1.fffe6cp-1, 0x1.9b471ep-3, INEXACT) T(RN, -0x1.38148ep+1, -0x1.f84024p-1, 0x1.543fb8p-2, INEXACT) T(RN, -0x1.6a1d62p-2, -0x1.5bbd2ep-2, -0x1.dde122p-8, INEXACT) T(RN, 0x1.4d1e6ep+2, 0x1.fff81ap-1, -0x1.586d5ap-7, INEXACT) T(RN, 0x1.ec87f4p+2, 0x1.fffff2p-1, -0x1.f7ee14p-5, INEXACT) T(RN, -0x1.833b12p+0, -0x1.d0971ep-1, -0x1.4ec0c6p-2, INEXACT) T(RN, -0x1.13e934p+3, -0x1.fffffep-1, -0x1.680526p-4, INEXACT) // tanh(nan) is nan T(RN, nan, nan, 0x0p+0, 0) T(RN, nan, nan, 0x0p+0, 0) T(RZ, nan, nan, 0x0p+0, 0) T(RZ, nan, nan, 0x0p+0, 0) T(RU, nan, nan, 0x0p+0, 0) T(RU, nan, nan, 0x0p+0, 0) T(RD, nan, nan, 0x0p+0, 0) T(RD, nan, nan, 0x0p+0, 0) // tanh(+-inf) is 1.0 T(RN, inf, 0x1p+0, 0x0p+0, 0) T(RN, -inf, -0x1p+0, 0x0p+0, 0) T(RZ, inf, 0x1p+0, 0x0p+0, 0) T(RZ, -inf, -0x1p+0, 0x0p+0, 0) T(RU, inf, 0x1p+0, 0x0p+0, 0) T(RU, -inf, -0x1p+0, 0x0p+0, 0) T(RD, inf, 0x1p+0, 0x0p+0, 0) T(RD, -inf, -0x1p+0, 0x0p+0, 0) // tanh(+-subnormal) T(RN, 0x1p-149, 0x1p-149, 0x0p+0, INEXACT|UNDERFLOW) T(RN, -0x1p-149, -0x1p-149, 0x0p+0, INEXACT|UNDERFLOW) T(RD, 0x1.000002p-126, 0x1p-126, -0x1p+0, INEXACT) T(RD, 0x1.000004p-126, 0x1.000002p-126, -0x1p+0, INEXACT) T(RD, 0x1p-125, 0x1.fffffep-126, -0x1p+0, INEXACT) T(RD, 0x1p-124, 0x1.fffffep-125, -0x1p+0, INEXACT) T(RD, 0x1p-28, 0x1.fffffep-29, -0x1p+0, INEXACT) T(RD, 0x1p-27, 0x1.fffffep-28, -0x1p+0, INEXACT) T(RD, 0x1.8p-27, 0x1.7ffffep-27, -0x1p+0, INEXACT) T(RD, 0x1p-26, 0x1.fffffep-27, -0x1p+0, INEXACT) T(RD, 0x1.4p-26, 0x1.3ffffep-26, -0x1p+0, INEXACT) T(RD, 0x1.8p-26, 0x1.7ffffep-26, -0x1p+0, INEXACT) T(RD, 0x1p-12, 0x1.fffffep-13, -0x1.555556p-1, INEXACT) T(RD, 0x1.66p+6, 0x1.fffffep-1, -0x1p+0, INEXACT) T(RD, 0x1.634p+9, 0x1.fffffep-1, -0x1p+0, INEXACT) T(RD, 0x1p+126, 0x1.fffffep-1, -0x1p+0, INEXACT) T(RD, 0x1p+127, 0x1.fffffep-1, -0x1p+0, INEXACT) T(RD, 0x1.fffffcp+127, 0x1.fffffep-1, -0x1p+0, INEXACT) T(RD,-0x1.000002p-126,-0x1.000002p-126, 0x0p+0, INEXACT) T(RD,-0x1.000004p-126,-0x1.000004p-126, 0x0p+0, INEXACT) T(RD, -0x1p-125, -0x1p-125, 0x0p+0, INEXACT) T(RD, -0x1p-124, -0x1p-124, 0x0p+0, INEXACT) T(RD, -0x1p-28, -0x1p-28, -0x1.555556p-35, INEXACT) T(RD, -0x1p-27, -0x1p-27, -0x1.555556p-33, INEXACT) T(RD, -0x1.8p-27, -0x1.8p-27, -0x1.2p-31, INEXACT) T(RD, -0x1p-26, -0x1p-26, -0x1.555556p-31, INEXACT) T(RD, -0x1.4p-26, -0x1.4p-26, -0x1.4d5556p-30, INEXACT) T(RD, -0x1.8p-26, -0x1.8p-26, -0x1.2p-29, INEXACT) T(RD, -0x1p-12, -0x1p-12, -0x1.555554p-3, INEXACT) T(RD, -0x1.66p+6, -0x1p+0, 0x0p+0, INEXACT) T(RD, -0x1.634p+9, -0x1p+0, 0x0p+0, INEXACT) T(RD, -0x1p+126, -0x1p+0, 0x0p+0, INEXACT) T(RD, -0x1p+127, -0x1p+0, 0x0p+0, INEXACT) T(RD,-0x1.fffffcp+127, -0x1p+0, 0x0p+0, INEXACT) T(RD, 0x1p-149, 0x0p+0, -0x1p+0, INEXACT|UNDERFLOW) T(RD, 0x1p-148, 0x1p-149, -0x1p+0, INEXACT|UNDERFLOW) T(RD, 0x1p-128, 0x1.fffffp-129, -0x1p+0, INEXACT|UNDERFLOW) T(RD, 0x1p-127, 0x1.fffff8p-128, -0x1p+0, INEXACT|UNDERFLOW) T(RD, 0x1.fffff8p-127, 0x1.fffff4p-127, -0x1p+0, INEXACT|UNDERFLOW) T(RD, 0x1.fffffcp-127, 0x1.fffff8p-127, -0x1p+0, INEXACT|UNDERFLOW) T(RD, 0x1p-126, 0x1.fffffcp-127, -0x1p+0, INEXACT|UNDERFLOW) T(RD, -0x1p-149, -0x1p-149, 0x0p+0, INEXACT|UNDERFLOW) T(RD, -0x1p-148, -0x1p-148, 0x0p+0, INEXACT|UNDERFLOW) T(RD, -0x1p-128, -0x1p-128, 0x0p+0, INEXACT|UNDERFLOW) T(RD, -0x1p-127, -0x1p-127, 0x0p+0, INEXACT|UNDERFLOW) T(RD,-0x1.fffff8p-127,-0x1.fffff8p-127, 0x0p+0, INEXACT|UNDERFLOW) T(RD,-0x1.fffffcp-127,-0x1.fffffcp-127, 0x0p+0, INEXACT|UNDERFLOW) T(RD, -0x1p-126, -0x1p-126, 0x0p+0, INEXACT) T(RN, 0x1.000002p-126, 0x1.000002p-126, 0x0p+0, INEXACT) T(RN, 0x1.000004p-126, 0x1.000004p-126, 0x0p+0, INEXACT) T(RN, 0x1p-125, 0x1p-125, 0x0p+0, INEXACT) T(RN, 0x1p-124, 0x1p-124, 0x0p+0, INEXACT) T(RN, 0x1p-28, 0x1p-28, 0x1.555556p-35, INEXACT) T(RN, 0x1p-27, 0x1p-27, 0x1.555556p-33, INEXACT) T(RN, 0x1.8p-27, 0x1.8p-27, 0x1.2p-31, INEXACT) T(RN, 0x1p-26, 0x1p-26, 0x1.555556p-31, INEXACT) T(RN, 0x1.4p-26, 0x1.4p-26, 0x1.4d5556p-30, INEXACT) T(RN, 0x1.8p-26, 0x1.8p-26, 0x1.2p-29, INEXACT) T(RN, 0x1p-12, 0x1p-12, 0x1.555554p-3, INEXACT) T(RN, 0x1.66p+6, 0x1p+0, 0x0p+0, INEXACT) T(RN, 0x1.634p+9, 0x1p+0, 0x0p+0, INEXACT) T(RN, 0x1p+126, 0x1p+0, 0x0p+0, INEXACT) T(RN, 0x1p+127, 0x1p+0, 0x0p+0, INEXACT) T(RN, 0x1.fffffcp+127, 0x1p+0, 0x0p+0, INEXACT) T(RN,-0x1.000002p-126,-0x1.000002p-126, 0x0p+0, INEXACT) T(RN,-0x1.000004p-126,-0x1.000004p-126, 0x0p+0, INEXACT) T(RN, -0x1p-125, -0x1p-125, 0x0p+0, INEXACT) T(RN, -0x1p-124, -0x1p-124, 0x0p+0, INEXACT) T(RN, -0x1p-28, -0x1p-28, -0x1.555556p-35, INEXACT) T(RN, -0x1p-27, -0x1p-27, -0x1.555556p-33, INEXACT) T(RN, -0x1.8p-27, -0x1.8p-27, -0x1.2p-31, INEXACT) T(RN, -0x1p-26, -0x1p-26, -0x1.555556p-31, INEXACT) T(RN, -0x1.4p-26, -0x1.4p-26, -0x1.4d5556p-30, INEXACT) T(RN, -0x1.8p-26, -0x1.8p-26, -0x1.2p-29, INEXACT) T(RN, -0x1p-12, -0x1p-12, -0x1.555554p-3, INEXACT) T(RN, -0x1.66p+6, -0x1p+0, 0x0p+0, INEXACT) T(RN, -0x1.634p+9, -0x1p+0, 0x0p+0, INEXACT) T(RN, -0x1p+126, -0x1p+0, 0x0p+0, INEXACT) T(RN, -0x1p+127, -0x1p+0, 0x0p+0, INEXACT) T(RN,-0x1.fffffcp+127, -0x1p+0, 0x0p+0, INEXACT) T(RN, 0x1p-148, 0x1p-148, 0x0p+0, INEXACT|UNDERFLOW) T(RN, 0x1p-128, 0x1p-128, 0x0p+0, INEXACT|UNDERFLOW) T(RN, 0x1p-127, 0x1p-127, 0x0p+0, INEXACT|UNDERFLOW) T(RN, 0x1.fffff8p-127, 0x1.fffff8p-127, 0x0p+0, INEXACT|UNDERFLOW) T(RN, 0x1.fffffcp-127, 0x1.fffffcp-127, 0x0p+0, INEXACT|UNDERFLOW) T(RN, -0x1p-148, -0x1p-148, 0x0p+0, INEXACT|UNDERFLOW) T(RN, -0x1p-128, -0x1p-128, 0x0p+0, INEXACT|UNDERFLOW) T(RN, -0x1p-127, -0x1p-127, 0x0p+0, INEXACT|UNDERFLOW) T(RN,-0x1.fffff8p-127,-0x1.fffff8p-127, 0x0p+0, INEXACT|UNDERFLOW) T(RN,-0x1.fffffcp-127,-0x1.fffffcp-127, 0x0p+0, INEXACT|UNDERFLOW) T(RU, 0x1.000002p-126, 0x1.000002p-126, 0x0p+0, INEXACT) T(RU, 0x1.000004p-126, 0x1.000004p-126, 0x0p+0, INEXACT) T(RU, 0x1p-125, 0x1p-125, 0x0p+0, INEXACT) T(RU, 0x1p-124, 0x1p-124, 0x0p+0, INEXACT) T(RU, 0x1p-28, 0x1p-28, 0x1.555556p-35, INEXACT) T(RU, 0x1p-27, 0x1p-27, 0x1.555556p-33, INEXACT) T(RU, 0x1.8p-27, 0x1.8p-27, 0x1.2p-31, INEXACT) T(RU, 0x1p-26, 0x1p-26, 0x1.555556p-31, INEXACT) T(RU, 0x1.4p-26, 0x1.4p-26, 0x1.4d5556p-30, INEXACT) T(RU, 0x1.8p-26, 0x1.8p-26, 0x1.2p-29, INEXACT) T(RU, 0x1p-12, 0x1p-12, 0x1.555554p-3, INEXACT) T(RU, 0x1.66p+6, 0x1p+0, 0x0p+0, INEXACT) T(RU, 0x1.634p+9, 0x1p+0, 0x0p+0, INEXACT) T(RU, 0x1p+126, 0x1p+0, 0x0p+0, INEXACT) T(RU, 0x1p+127, 0x1p+0, 0x0p+0, INEXACT) T(RU, 0x1.fffffcp+127, 0x1p+0, 0x0p+0, INEXACT) T(RU,-0x1.000002p-126, -0x1p-126, 0x1p+0, INEXACT) T(RU,-0x1.000004p-126,-0x1.000002p-126, 0x1p+0, INEXACT) T(RU, -0x1p-125,-0x1.fffffep-126, 0x1p+0, INEXACT) T(RU, -0x1p-124,-0x1.fffffep-125, 0x1p+0, INEXACT) T(RU, -0x1p-28, -0x1.fffffep-29, 0x1p+0, INEXACT) T(RU, -0x1p-27, -0x1.fffffep-28, 0x1p+0, INEXACT) T(RU, -0x1.8p-27, -0x1.7ffffep-27, 0x1p+0, INEXACT) T(RU, -0x1p-26, -0x1.fffffep-27, 0x1p+0, INEXACT) T(RU, -0x1.4p-26, -0x1.3ffffep-26, 0x1p+0, INEXACT) T(RU, -0x1.8p-26, -0x1.7ffffep-26, 0x1p+0, INEXACT) T(RU, -0x1p-12, -0x1.fffffep-13, 0x1.555556p-1, INEXACT) T(RU, -0x1.66p+6, -0x1.fffffep-1, 0x1p+0, INEXACT) T(RU, -0x1.634p+9, -0x1.fffffep-1, 0x1p+0, INEXACT) T(RU, -0x1p+126, -0x1.fffffep-1, 0x1p+0, INEXACT) T(RU, -0x1p+127, -0x1.fffffep-1, 0x1p+0, INEXACT) T(RU,-0x1.fffffcp+127, -0x1.fffffep-1, 0x1p+0, INEXACT) T(RU, 0x1p-149, 0x1p-149, 0x0p+0, INEXACT|UNDERFLOW) T(RU, 0x1p-148, 0x1p-148, 0x0p+0, INEXACT|UNDERFLOW) T(RU, 0x1p-128, 0x1p-128, 0x0p+0, INEXACT|UNDERFLOW) T(RU, 0x1p-127, 0x1p-127, 0x0p+0, INEXACT|UNDERFLOW) T(RU, 0x1.fffff8p-127, 0x1.fffff8p-127, 0x0p+0, INEXACT|UNDERFLOW) T(RU, 0x1.fffffcp-127, 0x1.fffffcp-127, 0x0p+0, INEXACT|UNDERFLOW) T(RU, 0x1p-126, 0x1p-126, 0x0p+0, INEXACT) T(RU, -0x1p-149, -0x0p+0, 0x1p+0, INEXACT|UNDERFLOW) T(RU, -0x1p-148, -0x1p-149, 0x1p+0, INEXACT|UNDERFLOW) T(RU, -0x1p-128, -0x1.fffffp-129, 0x1p+0, INEXACT|UNDERFLOW) T(RU, -0x1p-127,-0x1.fffff8p-128, 0x1p+0, INEXACT|UNDERFLOW) T(RU,-0x1.fffff8p-127,-0x1.fffff4p-127, 0x1p+0, INEXACT|UNDERFLOW) T(RU,-0x1.fffffcp-127,-0x1.fffff8p-127, 0x1p+0, INEXACT|UNDERFLOW) T(RU, -0x1p-126,-0x1.fffffcp-127, 0x1p+0, INEXACT|UNDERFLOW) T(RZ, 0x1.000002p-126, 0x1p-126, -0x1p+0, INEXACT) T(RZ, 0x1.000004p-126, 0x1.000002p-126, -0x1p+0, INEXACT) T(RZ, 0x1p-125, 0x1.fffffep-126, -0x1p+0, INEXACT) T(RZ, 0x1p-124, 0x1.fffffep-125, -0x1p+0, INEXACT) T(RZ, 0x1p-28, 0x1.fffffep-29, -0x1p+0, INEXACT) T(RZ, 0x1p-27, 0x1.fffffep-28, -0x1p+0, INEXACT) T(RZ, 0x1.8p-27, 0x1.7ffffep-27, -0x1p+0, INEXACT) T(RZ, 0x1p-26, 0x1.fffffep-27, -0x1p+0, INEXACT) T(RZ, 0x1.4p-26, 0x1.3ffffep-26, -0x1p+0, INEXACT) T(RZ, 0x1.8p-26, 0x1.7ffffep-26, -0x1p+0, INEXACT) T(RZ, 0x1p-12, 0x1.fffffep-13, -0x1.555556p-1, INEXACT) T(RZ, 0x1.66p+6, 0x1.fffffep-1, -0x1p+0, INEXACT) T(RZ, 0x1.634p+9, 0x1.fffffep-1, -0x1p+0, INEXACT) T(RZ, 0x1p+126, 0x1.fffffep-1, -0x1p+0, INEXACT) T(RZ, 0x1p+127, 0x1.fffffep-1, -0x1p+0, INEXACT) T(RZ, 0x1.fffffcp+127, 0x1.fffffep-1, -0x1p+0, INEXACT) T(RZ,-0x1.000002p-126, -0x1p-126, 0x1p+0, INEXACT) T(RZ,-0x1.000004p-126,-0x1.000002p-126, 0x1p+0, INEXACT) T(RZ, -0x1p-125,-0x1.fffffep-126, 0x1p+0, INEXACT) T(RZ, -0x1p-124,-0x1.fffffep-125, 0x1p+0, INEXACT) T(RZ, -0x1p-28, -0x1.fffffep-29, 0x1p+0, INEXACT) T(RZ, -0x1p-27, -0x1.fffffep-28, 0x1p+0, INEXACT) T(RZ, -0x1.8p-27, -0x1.7ffffep-27, 0x1p+0, INEXACT) T(RZ, -0x1p-26, -0x1.fffffep-27, 0x1p+0, INEXACT) T(RZ, -0x1.4p-26, -0x1.3ffffep-26, 0x1p+0, INEXACT) T(RZ, -0x1.8p-26, -0x1.7ffffep-26, 0x1p+0, INEXACT) T(RZ, -0x1p-12, -0x1.fffffep-13, 0x1.555556p-1, INEXACT) T(RZ, -0x1.66p+6, -0x1.fffffep-1, 0x1p+0, INEXACT) T(RZ, -0x1.634p+9, -0x1.fffffep-1, 0x1p+0, INEXACT) T(RZ, -0x1p+126, -0x1.fffffep-1, 0x1p+0, INEXACT) T(RZ, -0x1p+127, -0x1.fffffep-1, 0x1p+0, INEXACT) T(RZ,-0x1.fffffcp+127, -0x1.fffffep-1, 0x1p+0, INEXACT) T(RZ, 0x1p-149, 0x0p+0, -0x1p+0, INEXACT|UNDERFLOW) T(RZ, 0x1p-148, 0x1p-149, -0x1p+0, INEXACT|UNDERFLOW) T(RZ, 0x1p-128, 0x1.fffffp-129, -0x1p+0, INEXACT|UNDERFLOW) T(RZ, 0x1p-127, 0x1.fffff8p-128, -0x1p+0, INEXACT|UNDERFLOW) T(RZ, 0x1.fffff8p-127, 0x1.fffff4p-127, -0x1p+0, INEXACT|UNDERFLOW) T(RZ, 0x1.fffffcp-127, 0x1.fffff8p-127, -0x1p+0, INEXACT|UNDERFLOW) T(RZ, 0x1p-126, 0x1.fffffcp-127, -0x1p+0, INEXACT|UNDERFLOW) T(RZ, -0x1p-149, -0x0p+0, 0x1p+0, INEXACT|UNDERFLOW) T(RZ, -0x1p-148, -0x1p-149, 0x1p+0, INEXACT|UNDERFLOW) T(RZ, -0x1p-128, -0x1.fffffp-129, 0x1p+0, INEXACT|UNDERFLOW) T(RZ, -0x1p-127,-0x1.fffff8p-128, 0x1p+0, INEXACT|UNDERFLOW) T(RZ,-0x1.fffff8p-127,-0x1.fffff4p-127, 0x1p+0, INEXACT|UNDERFLOW) T(RZ,-0x1.fffffcp-127,-0x1.fffff8p-127, 0x1p+0, INEXACT|UNDERFLOW) T(RZ, -0x1p-126,-0x1.fffffcp-127, 0x1p+0, INEXACT|UNDERFLOW)