1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
24 */
25 /*
26 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
27 * Use is subject to license terms.
28 */
29
30 #pragma align 32 (__vlibm_TBL_sqrtf)
31
32 /*
33 i = [0,255]
34 TBL[2*i+0] = 1.0 / (*(double*)&(0x3ff0000000000000LL + (i << 44)));
35 TBL[2*i+1] = sqrt(*(double*)&(0x3ff0000000000000LL + (i << 44)))/sqrt(2);
36 TBL[512+2*i+0] = 1.0 / (*(double*)&(0x3ff0000000000000LL + (i << 44)));
37 TBL[512+2*i+1] = sqrt(*(double*)&(0x3ff0000000000000LL + (i << 44)));
38 */
39
40 const double __vlibm_TBL_sqrtf[] = {
41 1.0000000000000000000, 0.7071067811865474617,
42 0.9961089494163424263, 0.7084865030471646508,
43 0.9922480620155038622, 0.7098635432250340882,
44 0.9884169884169884401, 0.7112379172963151364,
45 0.9846153846153846700, 0.7126096406869610878,
46 0.9808429118773945854, 0.7139787286747413253,
47 0.9770992366412213359, 0.7153451963912248468,
48 0.9733840304182509451, 0.7167090588237321480,
49 0.9696969696969697239, 0.7180703308172535770,
50 0.9660377358490566113, 0.7194290270763336048,
51 0.9624060150375939315, 0.7207851621669246756,
52 0.9588014981273408344, 0.7221387505182088606,
53 0.9552238805970149071, 0.7234898064243890925,
54 0.9516728624535315539, 0.7248383440464502003,
55 0.9481481481481481843, 0.7261843774138906360,
56 0.9446494464944649172, 0.7275279204264260002,
57 0.9411764705882352811, 0.7288689868556624818,
58 0.9377289377289377281, 0.7302075903467450946,
59 0.9343065693430656626, 0.7315437444199764938,
60 0.9309090909090909083, 0.7328774624724109232,
61 0.9275362318840579823, 0.7342087577794206288,
62 0.9241877256317689859, 0.7355376434962387355,
63 0.9208633093525180335, 0.7368641326594745911,
64 0.9175627240143369168, 0.7381882381886073485,
65 0.9142857142857142572, 0.7395099728874520162,
66 0.9110320284697508431, 0.7408293494456060779,
67 0.9078014184397162900, 0.7421463804398696906,
68 0.9045936395759717197, 0.7434610783356448982,
69 0.9014084507042253724, 0.7447734554883115310,
70 0.8982456140350877360, 0.7460835241445826771,
71 0.8951048951048951041, 0.7473912964438372830,
72 0.8919860627177700341, 0.7486967844194336585,
73 0.8888888888888888395, 0.7499999999999998890,
74 0.8858131487889273625, 0.7513009550107067058,
75 0.8827586206896551602, 0.7525996611745184861,
76 0.8797250859106529042, 0.7538961301134260440,
77 0.8767123287671232390, 0.7551903733496606597,
78 0.8737201365187713398, 0.7564824023068876802,
79 0.8707482993197278587, 0.7577722283113837998,
80 0.8677966101694915002, 0.7590598625931948007,
81 0.8648648648648649129, 0.7603453162872774174,
82 0.8619528619528619151, 0.7616286004346212168,
83 0.8590604026845637398, 0.7629097259833563793,
84 0.8561872909698996503, 0.7641887037898427160,
85 0.8533333333333333881, 0.7654655446197431434,
86 0.8504983388704319136, 0.7667402591490810604,
87 0.8476821192052980125, 0.7680128579652816256,
88 0.8448844884488448947, 0.7692833515681981593,
89 0.8421052631578946901, 0.7705517503711221128,
90 0.8393442622950819665, 0.7718180647017791607,
91 0.8366013071895425091, 0.7730823048033113043,
92 0.8338762214983713728, 0.7743444808352416553,
93 0.8311688311688312236, 0.7756046028744285614,
94 0.8284789644012945375, 0.7768626809160033009,
95 0.8258064516129032251, 0.7781187248742956752,
96 0.8231511254019292512, 0.7793727445837452805,
97 0.8205128205128204844, 0.7806247497997997886,
98 0.8178913738019168989, 0.7818747501998001281,
99 0.8152866242038216971, 0.7831227553838541189,
100 0.8126984126984126977, 0.7843687748756957845,
101 0.8101265822784810000, 0.7856128181235333408,
102 0.8075709779179810477, 0.7868548945008857487,
103 0.8050314465408805464, 0.7880950133074056119,
104 0.8025078369905955800, 0.7893331837696929698,
105 0.8000000000000000444, 0.7905694150420947697,
106 0.7975077881619937470, 0.7918037162074953450,
107 0.7950310559006210642, 0.7930360962780950151,
108 0.7925696594427245056, 0.7942665641961771383,
109 0.7901234567901234129, 0.7954951288348659499,
110 0.7876923076923076916, 0.7967217989988725213,
111 0.7852760736196319202, 0.7979465834252315037,
112 0.7828746177370030646, 0.7991694907840263262,
113 0.7804878048780488076, 0.8003905296791060664,
114 0.7781155015197568359, 0.8016097086487912193,
115 0.7757575757575757569, 0.8028270361665704735,
116 0.7734138972809667667, 0.8040425206417879389,
117 0.7710843373493976305, 0.8052561704203202719,
118 0.7687687687687687621, 0.8064679937852462510,
119 0.7664670658682635196, 0.8076779989575053609,
120 0.7641791044776119479, 0.8088861940965489383,
121 0.7619047619047618625, 0.8100925873009824363,
122 0.7596439169139466152, 0.8112971866091980289,
123 0.7573964497041419941, 0.8124999999999998890,
124 0.7551622418879055942, 0.8137010353932209172,
125 0.7529411764705882248, 0.8149003006503310331,
126 0.7507331378299120228, 0.8160978035750371395,
127 0.7485380116959063912, 0.8172935519138762039,
128 0.7463556851311953233, 0.8184875533567996797,
129 0.7441860465116278966, 0.8196798155377500450,
130 0.7420289855072463858, 0.8208703460352310133,
131 0.7398843930635837784, 0.8220591523728690841,
132 0.7377521613832852543, 0.8232462420199680997,
133 0.7356321839080459668, 0.8244316223920574727,
134 0.7335243553008595763, 0.8256153008514316438,
135 0.7314285714285714279, 0.8267972847076845433,
136 0.7293447293447293811, 0.8279775812182355033,
137 0.7272727272727272929, 0.8291561975888499525,
138 0.7252124645892351618, 0.8303331409741513403,
139 0.7231638418079096020, 0.8315084184781292853,
140 0.7211267605633803202, 0.8326820371546392874,
141 0.7191011235955055980, 0.8338540040078957771,
142 0.7170868347338935633, 0.8350243259929617246,
143 0.7150837988826815872, 0.8361930100162282553,
144 0.7130919220055710328, 0.8373600629358912695,
145 0.7111111111111111382, 0.8385254915624210659,
146 0.7091412742382271484, 0.8396893026590250830,
147 0.7071823204419889208, 0.8408515029421067544,
148 0.7052341597796143446, 0.8420120990817173690,
149 0.7032967032967033516, 0.8431710977020024922,
150 0.7013698630136986356, 0.8443285053816433905,
151 0.6994535519125683054, 0.8454843286542926828,
152 0.6975476839237056970, 0.8466385740090041079,
153 0.6956521739130434590, 0.8477912478906584060,
154 0.6937669376693766932, 0.8489423567003827609,
155 0.6918918918918919303, 0.8500919067959651354,
156 0.6900269541778976112, 0.8512399044922647207,
157 0.6881720430107527431, 0.8523863560616159463,
158 0.6863270777479892892, 0.8535312677342289378,
159 0.6844919786096256287, 0.8546746456985838680,
160 0.6826666666666666439, 0.8558164961018219774,
161 0.6808510638297872175, 0.8569568250501304885,
162 0.6790450928381962514, 0.8580956386091237453,
163 0.6772486772486772111, 0.8592329428042199124,
164 0.6754617414248020868, 0.8603687436210126771,
165 0.6736842105263157743, 0.8615030470056387335,
166 0.6719160104986876547, 0.8626358588651412695,
167 0.6701570680628272658, 0.8637671850678283469,
168 0.6684073107049608442, 0.8648970314436278395,
169 0.6666666666666666297, 0.8660254037844384856,
170 0.6649350649350649345, 0.8671523078444753896,
171 0.6632124352331606465, 0.8682777493406126368,
172 0.6614987080103359451, 0.8694017339527221333,
173 0.6597938144329896781, 0.8705242673240073392,
174 0.6580976863753212891, 0.8716453550613345591,
175 0.6564102564102564097, 0.8727650027355586815,
176 0.6547314578005115626, 0.8738832158818476969,
177 0.6530612244897958663, 0.8749999999999998890,
178 0.6513994910941476313, 0.8761153605547615797,
179 0.6497461928934009645, 0.8772293029761374372,
180 0.6481012658227848222, 0.8783418326596996728,
181 0.6464646464646465196, 0.8794529549668930191,
182 0.6448362720403022497, 0.8805626752253356004,
183 0.6432160804020100597, 0.8816709987291176942,
184 0.6416040100250626210, 0.8827779307390958285,
185 0.6400000000000000133, 0.8838834764831843271,
186 0.6384039900249376398, 0.8849876411566435230,
187 0.6368159203980099381, 0.8860904299223640868,
188 0.6352357320099255578, 0.8871918479111493561,
189 0.6336633663366336711, 0.8882919002219933358,
190 0.6320987654320987525, 0.8893905919223566992,
191 0.6305418719211822731, 0.8904879280484380155,
192 0.6289926289926289771, 0.8915839136054440894,
193 0.6274509803921568540, 0.8926785535678561923,
194 0.6259168704156479190, 0.8937718528796931849,
195 0.6243902439024390238, 0.8948638164547719764,
196 0.6228710462287104788, 0.8959544491769656505,
197 0.6213592233009708199, 0.8970437559004575956,
198 0.6198547215496368334, 0.8981317414499945251,
199 0.6183574879227052845, 0.8992184106211348338,
200 0.6168674698795181266, 0.9003037681804957337,
201 0.6153846153846154188, 0.9013878188659971702,
202 0.6139088729016786150, 0.9024705673871031841,
203 0.6124401913875597847, 0.9035520184250599440,
204 0.6109785202863962095, 0.9046321766331330005,
205 0.6095238095238095788, 0.9057110466368397672,
206 0.6080760095011876754, 0.9067886330341817791,
207 0.6066350710900474397, 0.9078649403958718445,
208 0.6052009456264775267, 0.9089399732655616404,
209 0.6037735849056603543, 0.9100137361600647568,
210 0.6023529411764705355, 0.9110862335695781855,
211 0.6009389671361502483, 0.9121574699579014789,
212 0.5995316159250585475, 0.9132274497626535759,
213 0.5981308411214952825, 0.9142961773954870752,
214 0.5967365967365967361, 0.9153636572423006212,
215 0.5953488372093023173, 0.9164298936634486248,
216 0.5939675174013920866, 0.9174948909939498742,
217 0.5925925925925925597, 0.9185586535436917055,
218 0.5912240184757505679, 0.9196211855976350602,
219 0.5898617511520737322, 0.9206824914160146589,
220 0.5885057471264367734, 0.9217425752345390633,
221 0.5871559633027523262, 0.9228014412645875186,
222 0.5858123569794050356, 0.9238590936934051312,
223 0.5844748858447488260, 0.9249155366842962689,
224 0.5831435079726651205, 0.9259707743768158528,
225 0.5818181818181817899, 0.9270248108869577619,
226 0.5804988662131519428, 0.9280776503073435713,
227 0.5791855203619910020, 0.9291292967074065157,
228 0.5778781038374717349, 0.9301797541335758979,
229 0.5765765765765765716, 0.9312290266094586100,
230 0.5752808988764045450, 0.9322771181360186565,
231 0.5739910313901345207, 0.9333240326917547902,
232 0.5727069351230424932, 0.9343697742328782585,
233 0.5714285714285713969, 0.9354143466934853324,
234 0.5701559020044543180, 0.9364577539857310562,
235 0.5688888888888888884, 0.9375000000000000000,
236 0.5676274944567627490, 0.9385410886050753465,
237 0.5663716814159291957, 0.9395810236483067568,
238 0.5651214128035320083, 0.9406198089557756825,
239 0.5638766519823789070, 0.9416574483324601230,
240 0.5626373626373626369, 0.9426939455623971620,
241 0.5614035087719297934, 0.9437293044088436167,
242 0.5601750547045951656, 0.9447635286144357991,
243 0.5589519650655021543, 0.9457966219013471676,
244 0.5577342047930283764, 0.9468285879714447573,
245 0.5565217391304347894, 0.9478594305064437231,
246 0.5553145336225596695, 0.9488891531680609948,
247 0.5541125541125541121, 0.9499177595981663780,
248 0.5529157667386609409, 0.9509452534189335449,
249 0.5517241379310344751, 0.9519716382329884707,
250 0.5505376344086021501, 0.9529969176235565387,
251 0.5493562231759656633, 0.9540210951546090890,
252 0.5481798715203426431, 0.9550441743710077480,
253 0.5470085470085470636, 0.9560661587986472032,
254 0.5458422174840085184, 0.9570870519445969782,
255 0.5446808510638297962, 0.9581068572972432085,
256 0.5435244161358810944, 0.9591255783264254209,
257 0.5423728813559322015, 0.9601432184835759776,
258 0.5412262156448203188, 0.9611597812018561893,
259 0.5400843881856539630, 0.9621752698962906525,
260 0.5389473684210526194, 0.9631896879639025855,
261 0.5378151260504201447, 0.9642030387838443906,
262 0.5366876310272536976, 0.9652153257175312140,
263 0.5355648535564853097, 0.9662265521087691766,
264 0.5344467640918579843, 0.9672367212838850481,
265 0.5333333333333333259, 0.9682458365518541443,
266 0.5322245322245322541, 0.9692539012044263380,
267 0.5311203319502074693, 0.9702609185162514027,
268 0.5300207039337474502, 0.9712668917450032469,
269 0.5289256198347107585, 0.9722718241315028154,
270 0.5278350515463917647, 0.9732757188998396591,
271 0.5267489711934156826, 0.9742785792574933934,
272 0.5256673511293634693, 0.9752804083954520475,
273 0.5245901639344262568, 0.9762812094883317471,
274 0.5235173824130879838, 0.9772809856944930651,
275 0.5224489795918367818, 0.9782797401561579287,
276 0.5213849287169042279, 0.9792774759995248601,
277 0.5203252032520325754, 0.9802741963348825527,
278 0.5192697768762677413, 0.9812699042567237795,
279 0.5182186234817813819, 0.9822646028438568599,
280 0.5171717171717171713, 0.9832582951595170151,
281 0.5161290322580645018, 0.9842509842514762797,
282 0.5150905432595573874, 0.9852426731521528591,
283 0.5140562248995983463, 0.9862333648787187101,
284 0.5130260521042083743, 0.9872230624332070104,
285 0.5120000000000000107, 0.9882117688026185176,
286 0.5109780439121756057, 0.9891994869590258199,
287 0.5099601593625497920, 0.9901862198596785847,
288 0.5089463220675943811, 0.9911719704471065873,
289 0.5079365079365079083, 0.9921567416492214075,
290 0.5069306930693069368, 0.9931405363794189034,
291 0.5059288537549406772, 0.9941233575366791309,
292 0.5049309664694280331, 0.9951052080056659310,
293 0.5039370078740157410, 0.9960860906568265172,
294 0.5029469548133594925, 0.9970660083464885082,
295 0.5019607843137254832, 0.9980449639169568510,
296 0.5009784735812132794, 0.9990229601966111872,
297 1.0000000000000000000, 1.0000000000000000000,
298 0.9961089494163424263, 1.0019512213675874079,
299 0.9922480620155038622, 1.0038986502630631303,
300 0.9884169884169884401, 1.0058423087144425789,
301 0.9846153846153846700, 1.0077822185373186414,
302 0.9808429118773945854, 1.0097184013377193956,
303 0.9770992366412213359, 1.0116508785149154193,
304 0.9733840304182509451, 1.0135796712641784723,
305 0.9696969696969697239, 1.0155048005794951038,
306 0.9660377358490566113, 1.0174262872562316318,
307 0.9624060150375939315, 1.0193441518937556012,
308 0.9588014981273408344, 1.0212584148980119458,
309 0.9552238805970149071, 1.0231690964840562952,
310 0.9516728624535315539, 1.0250762166785454266,
311 0.9481481481481481843, 1.0269797953221864173,
312 0.9446494464944649172, 1.0288798520721456065,
313 0.9411764705882352811, 1.0307764064044151464,
314 0.9377289377289377281, 1.0326694776161440270,
315 0.9343065693430656626, 1.0345590848279280216,
316 0.9309090909090909083, 1.0364452469860625516,
317 0.9275362318840579823, 1.0383279828647593579,
318 0.9241877256317689859, 1.0402073110683274226,
319 0.9208633093525180335, 1.0420832500333165882,
320 0.9175627240143369168, 1.0439558180306292012,
321 0.9142857142857142572, 1.0458250331675944533,
322 0.9110320284697508431, 1.0476909133900131899,
323 0.9078014184397162900, 1.0495534764841665254,
324 0.9045936395759717197, 1.0514127400787951494,
325 0.9014084507042253724, 1.0532687216470448810,
326 0.8982456140350877360, 1.0551214385083833580,
327 0.8951048951048951041, 1.0569709078304851957,
328 0.8919860627177700341, 1.0588171466310885016,
329 0.8888888888888888395, 1.0606601717798211926,
330 0.8858131487889273625, 1.0625000000000000000,
331 0.8827586206896551602, 1.0643366478704001654,
332 0.8797250859106529042, 1.0661701318269987127,
333 0.8767123287671232390, 1.0680004681646912967,
334 0.8737201365187713398, 1.0698276730389806310,
335 0.8707482993197278587, 1.0716517624676404896,
336 0.8677966101694915002, 1.0734727523323541742,
337 0.8648648648648649129, 1.0752906583803283347,
338 0.8619528619528619151, 1.0771054962258803656,
339 0.8590604026845637398, 1.0789172813520042649,
340 0.8561872909698996503, 1.0807260291119114015,
341 0.8533333333333333881, 1.0825317547305484123,
342 0.8504983388704319136, 1.0843344733060920060,
343 0.8476821192052980125, 1.0861341998114228957,
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