1 // Copyright (C) 1988-1994 Sun Microsystems, Inc. 2550 Garcia Avenue 2 // Mountain View, California 94043 All rights reserved. 3 // 4 // Any person is hereby authorized to download, copy, use, create bug fixes, 5 // and distribute, subject to the following conditions: 6 // 7 // 1. the software may not be redistributed for a fee except as 8 // reasonable to cover media costs; 9 // 2. any copy of the software must include this notice, as well as 10 // any other embedded copyright notices; and 11 // 3. any distribution of this software or derivative works thereof 12 // must comply with all applicable U.S. export control laws. 13 // 14 // THE SOFTWARE IS MADE AVAILABLE "AS IS" AND WITHOUT EXPRESS OR IMPLIED 15 // WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO THE IMPLIED 16 // WARRANTIES OF DESIGN, MERCHANTIBILITY, FITNESS FOR A PARTICULAR 17 // PURPOSE, NON-INFRINGEMENT, PERFORMANCE OR CONFORMANCE TO 18 // SPECIFICATIONS. 19 // 20 // BY DOWNLOADING AND/OR USING THIS SOFTWARE, THE USER WAIVES ALL CLAIMS 21 // AGAINST SUN MICROSYSTEMS, INC. AND ITS AFFILIATED COMPANIES IN ANY 22 // JURISDICTION, INCLUDING BUT NOT LIMITED TO CLAIMS FOR DAMAGES OR 23 // EQUITABLE RELIEF BASED ON LOSS OF DATA, AND SPECIFICALLY WAIVES EVEN 24 // UNKNOWN OR UNANTICIPATED CLAIMS OR LOSSES, PRESENT AND FUTURE. 25 // 26 // IN NO EVENT WILL SUN MICROSYSTEMS, INC. OR ANY OF ITS AFFILIATED 27 // COMPANIES BE LIABLE FOR ANY LOST REVENUE OR PROFITS OR OTHER SPECIAL, 28 // INDIRECT AND CONSEQUENTIAL DAMAGES, EVEN IF IT HAS BEEN ADVISED OF THE 29 // POSSIBILITY OF SUCH DAMAGES. 30 // 31 // This file is provided with no support and without any obligation on the 32 // part of Sun Microsystems, Inc. ("Sun") or any of its affiliated 33 // companies to assist in its use, correction, modification or 34 // enhancement. Nevertheless, and without creating any obligation on its 35 // part, Sun welcomes your comments concerning the software and requests 36 // that they be sent to fdlibm-comments@sunpro.sun.com. 37 // atan2d(+-0,+anything but nan) is +-0 38 T(RN, 0x0p+0, 0x0p+0, 0x0p+0, 0x0p+0, 0) 39 T(RN, 0x0p+0, 0x1p-1074, 0x0p+0, 0x0p+0, 0) 40 T(RN, 0x0p+0, 0x1p-1022, 0x0p+0, 0x0p+0, 0) 41 T(RN, 0x0p+0, 0x1.fffffffffffffp+1023, 0x0p+0, 0x0p+0, 0) 42 T(RN, 0x0p+0, inf, 0x0p+0, 0x0p+0, 0) 43 T(RN, -0x0p+0, 0x0p+0, -0x0p+0, 0x0p+0, 0) 44 T(RN, -0x0p+0, 0x1p-1074, -0x0p+0, 0x0p+0, 0) 45 T(RN, -0x0p+0, 0x1p-1022, -0x0p+0, 0x0p+0, 0) 46 T(RN, -0x0p+0, 0x1.fffffffffffffp+1023, -0x0p+0, 0x0p+0, 0) 47 T(RN, -0x0p+0, inf, -0x0p+0, 0x0p+0, 0) 48 T(RZ, 0x0p+0, 0x0p+0, 0x0p+0, 0x0p+0, 0) 49 T(RZ, 0x0p+0, 0x1p-1074, 0x0p+0, 0x0p+0, 0) 50 T(RZ, 0x0p+0, 0x1p-1022, 0x0p+0, 0x0p+0, 0) 51 T(RZ, 0x0p+0, 0x1.fffffffffffffp+1023, 0x0p+0, 0x0p+0, 0) 52 T(RZ, 0x0p+0, inf, 0x0p+0, 0x0p+0, 0) 53 T(RZ, -0x0p+0, 0x0p+0, -0x0p+0, 0x0p+0, 0) 54 T(RZ, -0x0p+0, 0x1p-1074, -0x0p+0, 0x0p+0, 0) 55 T(RZ, -0x0p+0, 0x1p-1022, -0x0p+0, 0x0p+0, 0) 56 T(RZ, -0x0p+0, 0x1.fffffffffffffp+1023, -0x0p+0, 0x0p+0, 0) 57 T(RZ, -0x0p+0, inf, -0x0p+0, 0x0p+0, 0) 58 T(RU, 0x0p+0, 0x0p+0, 0x0p+0, 0x0p+0, 0) 59 T(RU, 0x0p+0, 0x1p-1074, 0x0p+0, 0x0p+0, 0) 60 T(RU, 0x0p+0, 0x1p-1022, 0x0p+0, 0x0p+0, 0) 61 T(RU, 0x0p+0, 0x1.fffffffffffffp+1023, 0x0p+0, 0x0p+0, 0) 62 T(RU, 0x0p+0, inf, 0x0p+0, 0x0p+0, 0) 63 T(RU, -0x0p+0, 0x0p+0, -0x0p+0, 0x0p+0, 0) 64 T(RU, -0x0p+0, 0x1p-1074, -0x0p+0, 0x0p+0, 0) 65 T(RU, -0x0p+0, 0x1p-1022, -0x0p+0, 0x0p+0, 0) 66 T(RU, -0x0p+0, 0x1.fffffffffffffp+1023, -0x0p+0, 0x0p+0, 0) 67 T(RU, -0x0p+0, inf, -0x0p+0, 0x0p+0, 0) 68 T(RD, 0x0p+0, 0x0p+0, 0x0p+0, 0x0p+0, 0) 69 T(RD, 0x0p+0, 0x1p-1074, 0x0p+0, 0x0p+0, 0) 70 T(RD, 0x0p+0, 0x1p-1022, 0x0p+0, 0x0p+0, 0) 71 T(RD, 0x0p+0, 0x1.fffffffffffffp+1023, 0x0p+0, 0x0p+0, 0) 72 T(RD, 0x0p+0, inf, 0x0p+0, 0x0p+0, 0) 73 T(RD, -0x0p+0, 0x0p+0, -0x0p+0, 0x0p+0, 0) 74 T(RD, -0x0p+0, 0x1p-1074, -0x0p+0, 0x0p+0, 0) 75 T(RD, -0x0p+0, 0x1p-1022, -0x0p+0, 0x0p+0, 0) 76 T(RD, -0x0p+0, 0x1.fffffffffffffp+1023, -0x0p+0, 0x0p+0, 0) 77 T(RD, -0x0p+0, inf, -0x0p+0, 0x0p+0, 0) 78 // atan2d(+-0,-anything but nan) is +-pi 79 T(RN, 0x0p+0, -inf, 0x1.921fb54442d18p+1, -0x1.1a6264p-2, INEXACT) 80 T(RN, 0x0p+0,-0x1.fffffffffffffp+1023, 0x1.921fb54442d18p+1, -0x1.1a6264p-2, INEXACT) 81 T(RN, 0x0p+0, -0x1p-1022, 0x1.921fb54442d18p+1, -0x1.1a6264p-2, INEXACT) 82 T(RN, 0x0p+0, -0x1p-1074, 0x1.921fb54442d18p+1, -0x1.1a6264p-2, INEXACT) 83 T(RN, 0x0p+0, -0x0p+0, 0x1.921fb54442d18p+1, -0x1.1a6264p-2, INEXACT) 84 T(RN, -0x0p+0, -inf, -0x1.921fb54442d18p+1, 0x1.1a6264p-2, INEXACT) 85 T(RN, -0x0p+0,-0x1.fffffffffffffp+1023, -0x1.921fb54442d18p+1, 0x1.1a6264p-2, INEXACT) 86 T(RN, -0x0p+0, -0x1p-1022, -0x1.921fb54442d18p+1, 0x1.1a6264p-2, INEXACT) 87 T(RN, -0x0p+0, -0x1p-1074, -0x1.921fb54442d18p+1, 0x1.1a6264p-2, INEXACT) 88 T(RN, -0x0p+0, -0x0p+0, -0x1.921fb54442d18p+1, 0x1.1a6264p-2, INEXACT) 89 // atan2d(+-anything but 0 and nan, 0) is +- pi/2 90 T(RN, inf, 0x0p+0, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 91 T(RN, inf, -0x0p+0, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 92 T(RN, 0x1.fffffffffffffp+1023, 0x0p+0, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 93 T(RN, 0x1.fffffffffffffp+1023, -0x0p+0, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 94 T(RN, 0x1p-1022, 0x0p+0, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 95 T(RN, 0x1p-1022, -0x0p+0, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 96 T(RN, 0x1p-1074, 0x0p+0, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 97 T(RN, 0x1p-1074, -0x0p+0, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 98 T(RN, -inf, 0x0p+0, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 99 T(RN, -inf, -0x0p+0, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 100 T(RN,-0x1.fffffffffffffp+1023, 0x0p+0, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 101 T(RN,-0x1.fffffffffffffp+1023, -0x0p+0, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 102 T(RN, -0x1p-1074, 0x0p+0, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 103 T(RN, -0x1p-1074, -0x0p+0, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 104 T(RN, -0x1p-1022, 0x0p+0, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 105 T(RN, -0x1p-1022, -0x0p+0, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 106 // atan2d(big,small) :=: +-pi/2 107 T(RN, 0x1.fffffffffffffp+1023, 0x1p-1022, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 108 T(RN, 0x1.fffffffffffffp+1023, -0x1p-1022, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 109 T(RN,-0x1.fffffffffffffp+1023, 0x1p-1022, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 110 T(RN,-0x1.fffffffffffffp+1023, -0x1p-1022, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 111 T(RZ, 0x1.fffffffffffffp+1023, 0x1p-1022, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 112 T(RZ, 0x1.fffffffffffffp+1023, -0x1p-1022, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 113 T(RZ,-0x1.fffffffffffffp+1023, 0x1p-1022, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 114 T(RZ,-0x1.fffffffffffffp+1023, -0x1p-1022, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 115 T(RU, 0x1.fffffffffffffp+1023, 0x1p-1022, 0x1.921fb54442d19p+0, 0x1.72cecep-1, INEXACT) 116 T(RU, 0x1.fffffffffffffp+1023, -0x1p-1022, 0x1.921fb54442d19p+0, 0x1.72cecep-1, INEXACT) 117 T(RU,-0x1.fffffffffffffp+1023, 0x1p-1022, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 118 T(RU,-0x1.fffffffffffffp+1023, -0x1p-1022, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 119 T(RD, 0x1.fffffffffffffp+1023, 0x1p-1022, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 120 T(RD, 0x1.fffffffffffffp+1023, -0x1p-1022, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 121 T(RD,-0x1.fffffffffffffp+1023, 0x1p-1022, -0x1.921fb54442d19p+0, -0x1.72cecep-1, INEXACT) 122 T(RD,-0x1.fffffffffffffp+1023, -0x1p-1022, -0x1.921fb54442d19p+0, -0x1.72cecep-1, INEXACT) 123 // atan2d(small,big) = small/big (big>0) 124 T(RN, 0x1p-1022, 0x1.fffffffffffffp+1023, 0x0p+0, -0x0p+0, INEXACT|UNDERFLOW) 125 T(RN, -0x1p-1022, 0x1.fffffffffffffp+1023, -0x0p+0, 0x0p+0, INEXACT|UNDERFLOW) 126 T(RN, 0x1p-1022,-0x1.fffffffffffffp+1023, 0x1.921fb54442d18p+1, -0x1.1a6264p-2, INEXACT) 127 T(RN, -0x1p-1022,-0x1.fffffffffffffp+1023, -0x1.921fb54442d18p+1, 0x1.1a6264p-2, INEXACT) 128 T(RZ, 0x1p-1022, 0x1.fffffffffffffp+1023, 0x0p+0, -0x0p+0, INEXACT|UNDERFLOW) 129 T(RZ, -0x1p-1022, 0x1.fffffffffffffp+1023, -0x0p+0, 0x0p+0, INEXACT|UNDERFLOW) 130 T(RZ, 0x1p-1022,-0x1.fffffffffffffp+1023, 0x1.921fb54442d18p+1, -0x1.1a6264p-2, INEXACT) 131 T(RZ, -0x1p-1022,-0x1.fffffffffffffp+1023, -0x1.921fb54442d18p+1, 0x1.1a6264p-2, INEXACT) 132 T(RU, 0x1p-1022, 0x1.fffffffffffffp+1023, 0x1p-1074, 0x1p+0, INEXACT|UNDERFLOW) 133 T(RU, -0x1p-1022, 0x1.fffffffffffffp+1023, -0x0p+0, 0x0p+0, INEXACT|UNDERFLOW) 134 T(RU, 0x1p-1022,-0x1.fffffffffffffp+1023, 0x1.921fb54442d19p+1, 0x1.72cecep-1, INEXACT) 135 T(RU, -0x1p-1022,-0x1.fffffffffffffp+1023, -0x1.921fb54442d18p+1, 0x1.1a6264p-2, INEXACT) 136 T(RD, 0x1p-1022, 0x1.fffffffffffffp+1023, 0x0p+0, -0x0p+0, INEXACT|UNDERFLOW) 137 T(RD, -0x1p-1022, 0x1.fffffffffffffp+1023, -0x1p-1074, -0x1p+0, INEXACT|UNDERFLOW) 138 T(RD, 0x1p-1022,-0x1.fffffffffffffp+1023, 0x1.921fb54442d18p+1, -0x1.1a6264p-2, INEXACT) 139 T(RD, -0x1p-1022,-0x1.fffffffffffffp+1023, -0x1.921fb54442d19p+1, -0x1.72cecep-1, INEXACT) 140 // atan2d(+-x,+x) = +-pi/4 for normal x 141 T(RN, 0x1p-1022, 0x1p-1022, 0x1.921fb54442d18p-1, -0x1.1a6264p-2, INEXACT) 142 T(RN, -0x1p-1022, 0x1p-1022, -0x1.921fb54442d18p-1, 0x1.1a6264p-2, INEXACT) 143 T(RN, 0x1.fffffffffffffp+1023, 0x1.fffffffffffffp+1023, 0x1.921fb54442d18p-1, -0x1.1a6264p-2, INEXACT) 144 T(RN,-0x1.fffffffffffffp+1023, 0x1.fffffffffffffp+1023, -0x1.921fb54442d18p-1, 0x1.1a6264p-2, INEXACT) 145 // atan2d(+-x,-x) = +-3pi/4 for normal x 146 T(RN, 0x1p-1022, -0x1p-1022, 0x1.2d97c7f3321d2p+1, -0x1.a79394p-3, INEXACT) 147 T(RN, -0x1p-1022, -0x1p-1022, -0x1.2d97c7f3321d2p+1, 0x1.a79394p-3, INEXACT) 148 T(RN, 0x1p+0, -0x1p+0, 0x1.2d97c7f3321d2p+1, -0x1.a79394p-3, INEXACT) 149 T(RN, -0x1p+0, -0x1p+0, -0x1.2d97c7f3321d2p+1, 0x1.a79394p-3, INEXACT) 150 T(RN, 0x1.fffffffffffffp+1023,-0x1.fffffffffffffp+1023, 0x1.2d97c7f3321d2p+1, -0x1.a79394p-3, INEXACT) 151 T(RN,-0x1.fffffffffffffp+1023,-0x1.fffffffffffffp+1023, -0x1.2d97c7f3321d2p+1, 0x1.a79394p-3, INEXACT) 152 // random arguments between -2.0 and 2.0 153 T(RN, -0x1.13284b2b5006dp-1, 0x1.6ca8dfb825911p+0, -0x1.716d1fa13dd6p-2, -0x1.31471ap-3, INEXACT) 154 T(RN, 0x1.c2ca609de7505p+0, -0x1.55f11fba96889p+0, 0x1.1c206d50867f1p+1, -0x1.d982d2p-2, INEXACT) 155 T(RN, -0x1.15679e27084ddp-1, -0x1.41e131b093c41p-4, -0x1.b6ff43cc0fa03p+0, 0x1.428fe2p-3, INEXACT) 156 T(RN, 0x1.281b0d18455f5p+0, 0x1.b5ce34a51b239p+0, 0x1.30789aa67a7b1p-1, 0x1.e13b2ap-2, INEXACT) 157 T(RN, -0x1.583481079de4dp-2, -0x1.ea8223103b871p+0, -0x1.7be5087e43d19p+1, 0x1.a6c422p-2, INEXACT) 158 T(RN, -0x1.aae17f24163e5p-1, 0x1.7a9da1468cce9p-4, -0x1.75db7c098be45p+0, 0x1.e9c708p-2, INEXACT) 159 T(RN, -0x1.844fff258fcbdp+0, 0x1.6ca321ace7da1p+0, -0x1.a237b131b62afp-1, -0x1.d5b568p-2, INEXACT) 160 T(RN, -0x1.fe09befde0ed5p+0, -0x1.ff6c7e8e5e899p+0, -0x1.2dc43c18871b1p+1, 0x1.ece6e2p-7, INEXACT) 161 T(RN, -0x1.d24c81412d02dp-1, 0x1.29b6828273bd1p+0, -0x1.5428a1a6caecfp-1, 0x1.9211bp-2, INEXACT) 162 T(RN, 0x1.25ea7e8b7c6c5p-1, 0x1.f99598e193549p-1, 0x1.0d9c960b4dda9p-1, -0x1.000c7p-3, INEXACT) 163 // atan2d involve nan 164 T(RN, 0x0p+0, nan, nan, 0x0p+0, 0) 165 T(RN, 0x1p+0, nan, nan, 0x0p+0, 0) 166 T(RN, nan, 0x1p-1074, nan, 0x0p+0, 0) 167 T(RN, nan,-0x1.fffffffffffffp+1023, nan, 0x0p+0, 0) 168 T(RN, nan, nan, nan, 0x0p+0, 0) 169 T(RN, nan, nan, nan, 0x0p+0, 0) 170 T(RZ, 0x0p+0, nan, nan, 0x0p+0, 0) 171 T(RZ, 0x1p+0, nan, nan, 0x0p+0, 0) 172 T(RZ, nan, 0x1p-1074, nan, 0x0p+0, 0) 173 T(RZ, nan,-0x1.fffffffffffffp+1023, nan, 0x0p+0, 0) 174 T(RZ, nan, nan, nan, 0x0p+0, 0) 175 T(RZ, nan, nan, nan, 0x0p+0, 0) 176 T(RU, 0x0p+0, nan, nan, 0x0p+0, 0) 177 T(RU, 0x1p+0, nan, nan, 0x0p+0, 0) 178 T(RU, nan, 0x1p-1074, nan, 0x0p+0, 0) 179 T(RU, nan,-0x1.fffffffffffffp+1023, nan, 0x0p+0, 0) 180 T(RU, nan, nan, nan, 0x0p+0, 0) 181 T(RU, nan, nan, nan, 0x0p+0, 0) 182 T(RD, 0x0p+0, nan, nan, 0x0p+0, 0) 183 T(RD, 0x1p+0, nan, nan, 0x0p+0, 0) 184 T(RD, nan, 0x1p-1074, nan, 0x0p+0, 0) 185 T(RD, nan,-0x1.fffffffffffffp+1023, nan, 0x0p+0, 0) 186 T(RD, nan, nan, nan, 0x0p+0, 0) 187 T(RD, nan, nan, nan, 0x0p+0, 0) 188 // atan2d(+-(anything but inf and nan), +inf) is +-0 189 T(RN, 0x1p-1074, inf, 0x0p+0, 0x0p+0, 0) 190 T(RN, 0x1.fffffffffffffp+1023, inf, 0x0p+0, 0x0p+0, 0) 191 T(RN, -0x1p-1074, inf, -0x0p+0, 0x0p+0, 0) 192 T(RN,-0x1.fffffffffffffp+1023, inf, -0x0p+0, 0x0p+0, 0) 193 T(RZ, 0x1p-1074, inf, 0x0p+0, 0x0p+0, 0) 194 T(RZ, 0x1.fffffffffffffp+1023, inf, 0x0p+0, 0x0p+0, 0) 195 T(RZ, -0x1p-1074, inf, -0x0p+0, 0x0p+0, 0) 196 T(RZ,-0x1.fffffffffffffp+1023, inf, -0x0p+0, 0x0p+0, 0) 197 T(RU, 0x1p-1074, inf, 0x0p+0, 0x0p+0, 0) 198 T(RU, 0x1.fffffffffffffp+1023, inf, 0x0p+0, 0x0p+0, 0) 199 T(RU, -0x1p-1074, inf, -0x0p+0, 0x0p+0, 0) 200 T(RU,-0x1.fffffffffffffp+1023, inf, -0x0p+0, 0x0p+0, 0) 201 T(RD, 0x1p-1074, inf, 0x0p+0, 0x0p+0, 0) 202 T(RD, 0x1.fffffffffffffp+1023, inf, 0x0p+0, 0x0p+0, 0) 203 T(RD, -0x1p-1074, inf, -0x0p+0, 0x0p+0, 0) 204 T(RD,-0x1.fffffffffffffp+1023, inf, -0x0p+0, 0x0p+0, 0) 205 // atan2d(+-(anything but inf and nan), -inf) is +-pi 206 T(RN, 0x1p-1074, -inf, 0x1.921fb54442d18p+1, -0x1.1a6264p-2, INEXACT) 207 T(RN, 0x1.fffffffffffffp+1023, -inf, 0x1.921fb54442d18p+1, -0x1.1a6264p-2, INEXACT) 208 T(RN, -0x1p-1074, -inf, -0x1.921fb54442d18p+1, 0x1.1a6264p-2, INEXACT) 209 T(RN,-0x1.fffffffffffffp+1023, -inf, -0x1.921fb54442d18p+1, 0x1.1a6264p-2, INEXACT) 210 // atan2d(+-inf,+inf ) is +-pi/4 211 T(RN, inf, inf, 0x1.921fb54442d18p-1, -0x1.1a6264p-2, INEXACT) 212 T(RN, -inf, inf, -0x1.921fb54442d18p-1, 0x1.1a6264p-2, INEXACT) 213 // atan2d(+-inf,-inf ) is +-3pi/4 214 T(RN, inf, -inf, 0x1.2d97c7f3321d2p+1, -0x1.a79394p-3, INEXACT) 215 T(RN, -inf, -inf, -0x1.2d97c7f3321d2p+1, 0x1.a79394p-3, INEXACT) 216 // atan2d(+-inf, (anything but,0,nan, and inf)) is +-pi/2 217 T(RN, inf, 0x1p-1074, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 218 T(RN, inf, -0x1p-1074, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 219 T(RN, inf, 0x1.fffffffffffffp+1023, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 220 T(RN, inf,-0x1.fffffffffffffp+1023, 0x1.921fb54442d18p+0, -0x1.1a6264p-2, INEXACT) 221 T(RN, -inf, 0x1p-1074, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 222 T(RN, -inf, -0x1p-1074, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 223 T(RN, -inf, 0x1.fffffffffffffp+1023, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 224 T(RN, -inf,-0x1.fffffffffffffp+1023, -0x1.921fb54442d18p+0, 0x1.1a6264p-2, INEXACT) 225