1 // Copyright 2009 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
14 4.9790119248836735e+00,
15 7.7388724745781045e+00,
16 -2.7688005719200159e-01,
17 -5.0106036182710749e+00,
18 9.6362937071984173e+00,
19 2.9263772392439646e+00,
20 5.2290834314593066e+00,
21 2.7279399104360102e+00,
22 1.8253080916808550e+00,
23 -8.6859247685756013e+00,
26 // The expected results below were computed by the high precision calculators
27 // at http://keisan.casio.com/. More exact input values (array vf[], above)
28 // were obtained by printing them with "%.26f". The answers were calculated
29 // to 26 digits (by using the "Digit number" drop-down control of each
32 1.0496193546107222142571536e+00,
33 6.8584012813664425171660692e-01,
34 1.5984878714577160325521819e+00,
35 2.0956199361475859327461799e+00,
36 2.7053008467824138592616927e-01,
37 1.2738121680361776018155625e+00,
38 1.0205369421140629186287407e+00,
39 1.2945003481781246062157835e+00,
40 1.3872364345374451433846657e+00,
41 2.6231510803970463967294145e+00,
43 var acosh = []float64{
44 2.4743347004159012494457618e+00,
45 2.8576385344292769649802701e+00,
46 7.2796961502981066190593175e-01,
47 2.4796794418831451156471977e+00,
48 3.0552020742306061857212962e+00,
49 2.044238592688586588942468e+00,
50 2.5158701513104513595766636e+00,
51 1.99050839282411638174299e+00,
52 1.6988625798424034227205445e+00,
53 2.9611454842470387925531875e+00,
56 5.2117697218417440497416805e-01,
57 8.8495619865825236751471477e-01,
58 -02.769154466281941332086016e-02,
59 -5.2482360935268931351485822e-01,
60 1.3002662421166552333051524e+00,
61 2.9698415875871901741575922e-01,
62 5.5025938468083370060258102e-01,
63 2.7629597861677201301553823e-01,
64 1.83559892257451475846656e-01,
65 -1.0523547536021497774980928e+00,
67 var asinh = []float64{
68 2.3083139124923523427628243e+00,
69 2.743551594301593620039021e+00,
70 -2.7345908534880091229413487e-01,
71 -2.3145157644718338650499085e+00,
72 2.9613652154015058521951083e+00,
73 1.7949041616585821933067568e+00,
74 2.3564032905983506405561554e+00,
75 1.7287118790768438878045346e+00,
76 1.3626658083714826013073193e+00,
77 -2.8581483626513914445234004e+00,
80 1.372590262129621651920085e+00,
81 1.442290609645298083020664e+00,
82 -2.7011324359471758245192595e-01,
83 -1.3738077684543379452781531e+00,
84 1.4673921193587666049154681e+00,
85 1.2415173565870168649117764e+00,
86 1.3818396865615168979966498e+00,
87 1.2194305844639670701091426e+00,
88 1.0696031952318783760193244e+00,
89 -1.4561721938838084990898679e+00,
91 var atanh = []float64{
92 5.4651163712251938116878204e-01,
93 1.0299474112843111224914709e+00,
94 -2.7695084420740135145234906e-02,
95 -5.5072096119207195480202529e-01,
96 1.9943940993171843235906642e+00,
97 3.01448604578089708203017e-01,
98 5.8033427206942188834370595e-01,
99 2.7987997499441511013958297e-01,
100 1.8459947964298794318714228e-01,
101 -1.3273186910532645867272502e+00,
103 var atan2 = []float64{
104 1.1088291730037004444527075e+00,
105 9.1218183188715804018797795e-01,
106 1.5984772603216203736068915e+00,
107 2.0352918654092086637227327e+00,
108 8.0391819139044720267356014e-01,
109 1.2861075249894661588866752e+00,
110 1.0889904479131695712182587e+00,
111 1.3044821793397925293797357e+00,
112 1.3902530903455392306872261e+00,
113 2.2859857424479142655411058e+00,
115 var cbrt = []float64{
116 1.7075799841925094446722675e+00,
117 1.9779982212970353936691498e+00,
118 -6.5177429017779910853339447e-01,
119 -1.7111838886544019873338113e+00,
120 2.1279920909827937423960472e+00,
121 1.4303536770460741452312367e+00,
122 1.7357021059106154902341052e+00,
123 1.3972633462554328350552916e+00,
124 1.2221149580905388454977636e+00,
125 -2.0556003730500069110343596e+00,
127 var ceil = []float64{
128 5.0000000000000000e+00,
129 8.0000000000000000e+00,
130 0.0000000000000000e+00,
131 -5.0000000000000000e+00,
132 1.0000000000000000e+01,
133 3.0000000000000000e+00,
134 6.0000000000000000e+00,
135 3.0000000000000000e+00,
136 2.0000000000000000e+00,
137 -8.0000000000000000e+00,
139 var copysign = []float64{
140 -4.9790119248836735e+00,
141 -7.7388724745781045e+00,
142 -2.7688005719200159e-01,
143 -5.0106036182710749e+00,
144 -9.6362937071984173e+00,
145 -2.9263772392439646e+00,
146 -5.2290834314593066e+00,
147 -2.7279399104360102e+00,
148 -1.8253080916808550e+00,
149 -8.6859247685756013e+00,
152 2.634752140995199110787593e-01,
153 1.148551260848219865642039e-01,
154 9.6191297325640768154550453e-01,
155 2.938141150061714816890637e-01,
156 -9.777138189897924126294461e-01,
157 -9.7693041344303219127199518e-01,
158 4.940088096948647263961162e-01,
159 -9.1565869021018925545016502e-01,
160 -2.517729313893103197176091e-01,
161 -7.39241351595676573201918e-01,
164 // Results for 100000 * Pi + vf[i]
165 var cosLarge = []float64{
166 2.634752141185559426744e-01,
167 1.14855126055543100712e-01,
168 9.61912973266488928113e-01,
169 2.9381411499556122552e-01,
170 -9.777138189880161924641e-01,
171 -9.76930413445147608049e-01,
172 4.940088097314976789841e-01,
173 -9.15658690217517835002e-01,
174 -2.51772931436786954751e-01,
175 -7.3924135157173099849e-01,
177 var cosh = []float64{
178 7.2668796942212842775517446e+01,
179 1.1479413465659254502011135e+03,
180 1.0385767908766418550935495e+00,
181 7.5000957789658051428857788e+01,
182 7.655246669605357888468613e+03,
183 9.3567491758321272072888257e+00,
184 9.331351599270605471131735e+01,
185 7.6833430994624643209296404e+00,
186 3.1829371625150718153881164e+00,
187 2.9595059261916188501640911e+03,
190 5.1865354817738701906913566e-01,
191 7.2623875834137295116929844e-01,
192 -3.123458688281309990629839e-02,
193 -5.2143121110253302920437013e-01,
194 8.2704742671312902508629582e-01,
195 3.2101767558376376743993945e-01,
196 5.403990312223245516066252e-01,
197 3.0034702916738588551174831e-01,
198 2.0369924417882241241559589e-01,
199 -7.8069386968009226729944677e-01,
201 var erfc = []float64{
202 4.8134645182261298093086434e-01,
203 2.7376124165862704883070156e-01,
204 1.0312345868828130999062984e+00,
205 1.5214312111025330292043701e+00,
206 1.7295257328687097491370418e-01,
207 6.7898232441623623256006055e-01,
208 4.596009687776754483933748e-01,
209 6.9965297083261411448825169e-01,
210 7.9630075582117758758440411e-01,
211 1.7806938696800922672994468e+00,
214 1.4533071302642137507696589e+02,
215 2.2958822575694449002537581e+03,
216 7.5814542574851666582042306e-01,
217 6.6668778421791005061482264e-03,
218 1.5310493273896033740861206e+04,
219 1.8659907517999328638667732e+01,
220 1.8662167355098714543942057e+02,
221 1.5301332413189378961665788e+01,
222 6.2047063430646876349125085e+00,
223 1.6894712385826521111610438e-04,
225 var expm1 = []float64{
226 5.105047796122957327384770212e-02,
227 8.046199708567344080562675439e-02,
228 -2.764970978891639815187418703e-03,
229 -4.8871434888875355394330300273e-02,
230 1.0115864277221467777117227494e-01,
231 2.969616407795910726014621657e-02,
232 5.368214487944892300914037972e-02,
233 2.765488851131274068067445335e-02,
234 1.842068661871398836913874273e-02,
235 -8.3193870863553801814961137573e-02,
237 var exp2 = []float64{
238 3.1537839463286288034313104e+01,
239 2.1361549283756232296144849e+02,
240 8.2537402562185562902577219e-01,
241 3.1021158628740294833424229e-02,
242 7.9581744110252191462569661e+02,
243 7.6019905892596359262696423e+00,
244 3.7506882048388096973183084e+01,
245 6.6250893439173561733216375e+00,
246 3.5438267900243941544605339e+00,
247 2.4281533133513300984289196e-03,
249 var fabs = []float64{
250 4.9790119248836735e+00,
251 7.7388724745781045e+00,
252 2.7688005719200159e-01,
253 5.0106036182710749e+00,
254 9.6362937071984173e+00,
255 2.9263772392439646e+00,
256 5.2290834314593066e+00,
257 2.7279399104360102e+00,
258 1.8253080916808550e+00,
259 8.6859247685756013e+00,
261 var fdim = []float64{
262 4.9790119248836735e+00,
263 7.7388724745781045e+00,
264 0.0000000000000000e+00,
265 0.0000000000000000e+00,
266 9.6362937071984173e+00,
267 2.9263772392439646e+00,
268 5.2290834314593066e+00,
269 2.7279399104360102e+00,
270 1.8253080916808550e+00,
271 0.0000000000000000e+00,
273 var floor = []float64{
274 4.0000000000000000e+00,
275 7.0000000000000000e+00,
276 -1.0000000000000000e+00,
277 -6.0000000000000000e+00,
278 9.0000000000000000e+00,
279 2.0000000000000000e+00,
280 5.0000000000000000e+00,
281 2.0000000000000000e+00,
282 1.0000000000000000e+00,
283 -9.0000000000000000e+00,
285 var fmod = []float64{
286 4.197615023265299782906368e-02,
287 2.261127525421895434476482e+00,
288 3.231794108794261433104108e-02,
289 4.989396381728925078391512e+00,
290 3.637062928015826201999516e-01,
291 1.220868282268106064236690e+00,
292 4.770916568540693347699744e+00,
293 1.816180268691969246219742e+00,
294 8.734595415957246977711748e-01,
295 1.314075231424398637614104e+00,
304 {6.2237649061045918750e-01, 3},
305 {9.6735905932226306250e-01, 3},
306 {-5.5376011438400318000e-01, -1},
307 {-6.2632545228388436250e-01, 3},
308 {6.02268356699901081250e-01, 4},
309 {7.3159430981099115000e-01, 2},
310 {6.5363542893241332500e-01, 3},
311 {6.8198497760900255000e-01, 2},
312 {9.1265404584042750000e-01, 1},
313 {-5.4287029803597508250e-01, 4},
315 var gamma = []float64{
316 2.3254348370739963835386613898e+01,
317 2.991153837155317076427529816e+03,
318 -4.561154336726758060575129109e+00,
319 7.719403468842639065959210984e-01,
320 1.6111876618855418534325755566e+05,
321 1.8706575145216421164173224946e+00,
322 3.4082787447257502836734201635e+01,
323 1.579733951448952054898583387e+00,
324 9.3834586598354592860187267089e-01,
325 -2.093995902923148389186189429e-05,
328 -1.8444682230601672018219338e-01,
329 2.27353668906331975435892e-01,
330 9.809259936157051116270273e-01,
331 -1.741170131426226587841181e-01,
332 -2.1389448451144143352039069e-01,
333 -2.340905848928038763337414e-01,
334 -1.0029099691890912094586326e-01,
335 -1.5466726714884328135358907e-01,
336 3.252650187653420388714693e-01,
337 -8.72218484409407250005360235e-03,
340 -3.251526395295203422162967e-01,
341 1.893581711430515718062564e-01,
342 -1.3711761352467242914491514e-01,
343 3.287486536269617297529617e-01,
344 1.3133899188830978473849215e-01,
345 3.660243417832986825301766e-01,
346 -3.4436769271848174665420672e-01,
347 4.329481396640773768835036e-01,
348 5.8181350531954794639333955e-01,
349 -2.7030574577733036112996607e-01,
352 5.3837518920137802565192769e-02,
353 -1.7841678003393207281244667e-01,
354 9.521746934916464142495821e-03,
355 4.28958355470987397983072e-02,
356 2.4115371837854494725492872e-01,
357 4.842458532394520316844449e-01,
358 -3.142145220618633390125946e-02,
359 4.720849184745124761189957e-01,
360 3.122312022520957042957497e-01,
361 7.096213118930231185707277e-02,
364 -3.684042080996403091021151e-01,
365 2.8157665936340887268092661e-01,
366 4.401005480841948348343589e-04,
367 3.629926999056814081597135e-01,
368 3.123672198825455192489266e-02,
369 -2.958805510589623607540455e-01,
370 -3.2033177696533233403289416e-01,
371 -2.592737332129663376736604e-01,
372 -1.0241334641061485092351251e-01,
373 -2.3762660886100206491674503e-01,
376 {3.146492141244545774319734e+00, 1},
377 {8.003414490659126375852113e+00, 1},
378 {1.517575735509779707488106e+00, -1},
379 {-2.588480028182145853558748e-01, 1},
380 {1.1989897050205555002007985e+01, 1},
381 {6.262899811091257519386906e-01, 1},
382 {3.5287924899091566764846037e+00, 1},
383 {4.5725644770161182299423372e-01, 1},
384 {-6.363667087767961257654854e-02, 1},
385 {-1.077385130910300066425564e+01, -1},
388 1.605231462693062999102599e+00,
389 2.0462560018708770653153909e+00,
390 -1.2841708730962657801275038e+00,
391 1.6115563905281545116286206e+00,
392 2.2655365644872016636317461e+00,
393 1.0737652208918379856272735e+00,
394 1.6542360106073546632707956e+00,
395 1.0035467127723465801264487e+00,
396 6.0174879014578057187016475e-01,
397 2.161703872847352815363655e+00,
399 var logb = []float64{
400 2.0000000000000000e+00,
401 2.0000000000000000e+00,
402 -2.0000000000000000e+00,
403 2.0000000000000000e+00,
404 3.0000000000000000e+00,
405 1.0000000000000000e+00,
406 2.0000000000000000e+00,
407 1.0000000000000000e+00,
408 0.0000000000000000e+00,
409 3.0000000000000000e+00,
411 var log10 = []float64{
412 6.9714316642508290997617083e-01,
413 8.886776901739320576279124e-01,
414 -5.5770832400658929815908236e-01,
415 6.998900476822994346229723e-01,
416 9.8391002850684232013281033e-01,
417 4.6633031029295153334285302e-01,
418 7.1842557117242328821552533e-01,
419 4.3583479968917773161304553e-01,
420 2.6133617905227038228626834e-01,
421 9.3881606348649405716214241e-01,
423 var log1p = []float64{
424 4.8590257759797794104158205e-02,
425 7.4540265965225865330849141e-02,
426 -2.7726407903942672823234024e-03,
427 -5.1404917651627649094953380e-02,
428 9.1998280672258624681335010e-02,
429 2.8843762576593352865894824e-02,
430 5.0969534581863707268992645e-02,
431 2.6913947602193238458458594e-02,
432 1.8088493239630770262045333e-02,
433 -9.0865245631588989681559268e-02,
435 var log2 = []float64{
436 2.3158594707062190618898251e+00,
437 2.9521233862883917703341018e+00,
438 -1.8526669502700329984917062e+00,
439 2.3249844127278861543568029e+00,
440 3.268478366538305087466309e+00,
441 1.5491157592596970278166492e+00,
442 2.3865580889631732407886495e+00,
443 1.447811865817085365540347e+00,
444 8.6813999540425116282815557e-01,
445 3.118679457227342224364709e+00,
447 var modf = [][2]float64{
448 {4.0000000000000000e+00, 9.7901192488367350108546816e-01},
449 {7.0000000000000000e+00, 7.3887247457810456552351752e-01},
450 {0.0000000000000000e+00, -2.7688005719200159404635997e-01},
451 {-5.0000000000000000e+00, -1.060361827107492160848778e-02},
452 {9.0000000000000000e+00, 6.3629370719841737980004837e-01},
453 {2.0000000000000000e+00, 9.2637723924396464525443662e-01},
454 {5.0000000000000000e+00, 2.2908343145930665230025625e-01},
455 {2.0000000000000000e+00, 7.2793991043601025126008608e-01},
456 {1.0000000000000000e+00, 8.2530809168085506044576505e-01},
457 {-8.0000000000000000e+00, -6.8592476857560136238589621e-01},
459 var nextafter = []float64{
460 4.97901192488367438926388786e+00,
461 7.73887247457810545370193722e+00,
462 -2.7688005719200153853520874e-01,
463 -5.01060361827107403343006808e+00,
464 9.63629370719841915615688777e+00,
465 2.92637723924396508934364647e+00,
466 5.22908343145930754047867595e+00,
467 2.72793991043601069534929593e+00,
468 1.82530809168085528249036997e+00,
469 -8.68592476857559958602905681e+00,
472 9.5282232631648411840742957e+04,
473 5.4811599352999901232411871e+07,
474 5.2859121715894396531132279e-01,
475 9.7587991957286474464259698e-06,
476 4.328064329346044846740467e+09,
477 8.4406761805034547437659092e+02,
478 1.6946633276191194947742146e+05,
479 5.3449040147551939075312879e+02,
480 6.688182138451414936380374e+01,
481 2.0609869004248742886827439e-09,
483 var remainder = []float64{
484 4.197615023265299782906368e-02,
485 2.261127525421895434476482e+00,
486 3.231794108794261433104108e-02,
487 -2.120723654214984321697556e-02,
488 3.637062928015826201999516e-01,
489 1.220868282268106064236690e+00,
490 -4.581668629186133046005125e-01,
491 -9.117596417440410050403443e-01,
492 8.734595415957246977711748e-01,
493 1.314075231424398637614104e+00,
495 var signbit = []bool{
508 -9.6466616586009283766724726e-01,
509 9.9338225271646545763467022e-01,
510 -2.7335587039794393342449301e-01,
511 9.5586257685042792878173752e-01,
512 -2.099421066779969164496634e-01,
513 2.135578780799860532750616e-01,
514 -8.694568971167362743327708e-01,
515 4.019566681155577786649878e-01,
516 9.6778633541687993721617774e-01,
517 -6.734405869050344734943028e-01,
520 // Results for 100000 * Pi + vf[i]
521 var sinLarge = []float64{
522 -9.646661658548936063912e-01,
523 9.933822527198506903752e-01,
524 -2.7335587036246899796e-01,
525 9.55862576853689321268e-01,
526 -2.099421066862688873691e-01,
527 2.13557878070308981163e-01,
528 -8.694568970959221300497e-01,
529 4.01956668098863248917e-01,
530 9.67786335404528727927e-01,
531 -6.7344058693131973066e-01,
533 var sinh = []float64{
534 7.2661916084208532301448439e+01,
535 1.1479409110035194500526446e+03,
536 -2.8043136512812518927312641e-01,
537 -7.499429091181587232835164e+01,
538 7.6552466042906758523925934e+03,
539 9.3031583421672014313789064e+00,
540 9.330815755828109072810322e+01,
541 7.6179893137269146407361477e+00,
542 3.021769180549615819524392e+00,
543 -2.95950575724449499189888e+03,
545 var sqrt = []float64{
546 2.2313699659365484748756904e+00,
547 2.7818829009464263511285458e+00,
548 5.2619393496314796848143251e-01,
549 2.2384377628763938724244104e+00,
550 3.1042380236055381099288487e+00,
551 1.7106657298385224403917771e+00,
552 2.286718922705479046148059e+00,
553 1.6516476350711159636222979e+00,
554 1.3510396336454586262419247e+00,
555 2.9471892997524949215723329e+00,
558 -3.661316565040227801781974e+00,
559 8.64900232648597589369854e+00,
560 -2.8417941955033612725238097e-01,
561 3.253290185974728640827156e+00,
562 2.147275640380293804770778e-01,
563 -2.18600910711067004921551e-01,
564 -1.760002817872367935518928e+00,
565 -4.389808914752818126249079e-01,
566 -3.843885560201130679995041e+00,
567 9.10988793377685105753416e-01,
570 // Results for 100000 * Pi + vf[i]
571 var tanLarge = []float64{
572 -3.66131656475596512705e+00,
573 8.6490023287202547927e+00,
574 -2.841794195104782406e-01,
575 3.2532901861033120983e+00,
576 2.14727564046880001365e-01,
577 -2.18600910700688062874e-01,
578 -1.760002817699722747043e+00,
579 -4.38980891453536115952e-01,
580 -3.84388555942723509071e+00,
581 9.1098879344275101051e-01,
583 var tanh = []float64{
584 9.9990531206936338549262119e-01,
585 9.9999962057085294197613294e-01,
586 -2.7001505097318677233756845e-01,
587 -9.9991110943061718603541401e-01,
588 9.9999999146798465745022007e-01,
589 9.9427249436125236705001048e-01,
590 9.9994257600983138572705076e-01,
591 9.9149409509772875982054701e-01,
592 9.4936501296239685514466577e-01,
593 -9.9999994291374030946055701e-01,
595 var trunc = []float64{
596 4.0000000000000000e+00,
597 7.0000000000000000e+00,
598 -0.0000000000000000e+00,
599 -5.0000000000000000e+00,
600 9.0000000000000000e+00,
601 2.0000000000000000e+00,
602 5.0000000000000000e+00,
603 2.0000000000000000e+00,
604 1.0000000000000000e+00,
605 -8.0000000000000000e+00,
608 -3.053399153780788357534855e-01,
609 1.7437227649515231515503649e-01,
610 -8.6221781263678836910392572e-01,
611 -3.100664880987498407872839e-01,
612 1.422200649300982280645377e-01,
613 4.000004067997901144239363e-01,
614 -3.3340749753099352392332536e-01,
615 4.5399790746668954555205502e-01,
616 4.8290004112497761007536522e-01,
617 2.7036697826604756229601611e-01,
620 0.15494213737457922210218611,
621 -0.2165955142081145245075746,
622 -2.4644949631241895201032829,
623 0.1442740489541836405154505,
624 0.2215379960518984777080163,
625 0.3038800915160754150565448,
626 0.0691107642452362383808547,
627 0.2380116417809914424860165,
628 -0.20849492979459761009678934,
629 0.0242503179793232308250804,
632 0.3675780219390303613394936,
633 -0.23034826393250119879267257,
634 -16.939677983817727205631397,
635 0.367653980523052152867791,
636 -0.0962401471767804440353136,
637 -0.1923169356184851105200523,
638 0.35984072054267882391843766,
639 -0.2794987252299739821654982,
640 -0.7113490692587462579757954,
641 -0.2647831587821263302087457,
644 -0.14035984421094849100895341,
645 -0.097535139617792072703973,
646 242.25775994555580176377379,
647 -0.1492267014802818619511046,
648 0.26148702629155918694500469,
649 0.56675383593895176530394248,
650 -0.206150264009006981070575,
651 0.64784284687568332737963658,
652 1.3503631555901938037008443,
653 0.1461869756579956803341844,
656 // arguments and expected results for special cases
657 var vfacosSC = []float64{
663 var acosSC = []float64{
670 var vfacoshSC = []float64{
677 var acoshSC = []float64{
685 var vfasinSC = []float64{
692 var asinSC = []float64{
700 var vfasinhSC = []float64{
707 var asinhSC = []float64{
715 var vfatanSC = []float64{
722 var atanSC = []float64{
730 var vfatanhSC = []float64{
741 var atanhSC = []float64{
752 var vfatan2SC = [][2]float64{
763 {Copysign(0, -1), Inf(-1)},
764 {Copysign(0, -1), -Pi},
765 {Copysign(0, -1), Copysign(0, -1)},
766 {Copysign(0, -1), 0},
767 {Copysign(0, -1), +Pi},
768 {Copysign(0, -1), Inf(1)},
769 {Copysign(0, -1), NaN()},
772 {0, Copysign(0, -1)},
789 var atan2SC = []float64{
790 -3 * Pi / 4, // atan2(-Inf, -Inf)
791 -Pi / 2, // atan2(-Inf, -Pi)
792 -Pi / 2, // atan2(-Inf, +0)
793 -Pi / 2, // atan2(-Inf, +Pi)
794 -Pi / 4, // atan2(-Inf, +Inf)
795 NaN(), // atan2(-Inf, NaN)
796 -Pi, // atan2(-Pi, -Inf)
797 -Pi / 2, // atan2(-Pi, +0)
798 Copysign(0, -1), // atan2(-Pi, Inf)
799 NaN(), // atan2(-Pi, NaN)
800 -Pi, // atan2(-0, -Inf)
801 -Pi, // atan2(-0, -Pi)
802 -Pi, // atan2(-0, -0)
803 Copysign(0, -1), // atan2(-0, +0)
804 Copysign(0, -1), // atan2(-0, +Pi)
805 Copysign(0, -1), // atan2(-0, +Inf)
806 NaN(), // atan2(-0, NaN)
807 Pi, // atan2(+0, -Inf)
808 Pi, // atan2(+0, -Pi)
812 0, // atan2(+0, +Inf)
813 NaN(), // atan2(+0, NaN)
814 Pi, // atan2(+Pi, -Inf)
815 Pi / 2, // atan2(+Pi, +0)
816 0, // atan2(+Pi, +Inf)
817 NaN(), // atan2(+Pi, NaN)
818 3 * Pi / 4, // atan2(+Inf, -Inf)
819 Pi / 2, // atan2(+Inf, -Pi)
820 Pi / 2, // atan2(+Inf, +0)
821 Pi / 2, // atan2(+Inf, +Pi)
822 Pi / 4, // atan2(+Inf, +Inf)
823 NaN(), // atan2(+Inf, NaN)
824 NaN(), // atan2(NaN, NaN)
827 var vfcbrtSC = []float64{
834 var cbrtSC = []float64{
842 var vfceilSC = []float64{
849 var ceilSC = []float64{
857 var vfcopysignSC = []float64{
862 var copysignSC = []float64{
868 var vfcosSC = []float64{
873 var cosSC = []float64{
879 var vfcoshSC = []float64{
886 var coshSC = []float64{
894 var vferfSC = []float64{
901 var erfSC = []float64{
909 var vferfcSC = []float64{
914 var erfcSC = []float64{
920 var vfexpSC = []float64{
927 var expSC = []float64{
935 var vfexpm1SC = []float64{
942 var expm1SC = []float64{
950 var vffabsSC = []float64{
957 var fabsSC = []float64{
965 var vffdimSC = [][2]float64{
969 {Copysign(0, -1), Copysign(0, -1)},
970 {Copysign(0, -1), 0},
971 {0, Copysign(0, -1)},
977 {NaN(), Copysign(0, -1)},
982 var fdimSC = []float64{
999 var fmaxSC = []float64{
1016 var fminSC = []float64{
1034 var vffmodSC = [][2]float64{
1045 {Copysign(0, -1), Inf(-1)},
1046 {Copysign(0, -1), 0},
1047 {Copysign(0, -1), Inf(1)},
1048 {Copysign(0, -1), NaN()},
1070 var fmodSC = []float64{
1071 NaN(), // fmod(-Inf, -Inf)
1072 NaN(), // fmod(-Inf, -Pi)
1073 NaN(), // fmod(-Inf, 0)
1074 NaN(), // fmod(-Inf, Pi)
1075 NaN(), // fmod(-Inf, +Inf)
1076 NaN(), // fmod(-Inf, NaN)
1077 -Pi, // fmod(-Pi, -Inf)
1078 NaN(), // fmod(-Pi, 0)
1079 -Pi, // fmod(-Pi, +Inf)
1080 NaN(), // fmod(-Pi, NaN)
1081 Copysign(0, -1), // fmod(-0, -Inf)
1082 NaN(), // fmod(-0, 0)
1083 Copysign(0, -1), // fmod(-0, Inf)
1084 NaN(), // fmod(-0, NaN)
1086 NaN(), // fmod(0, 0)
1088 NaN(), // fmod(0, NaN)
1089 Pi, // fmod(Pi, -Inf)
1090 NaN(), // fmod(Pi, 0)
1091 Pi, // fmod(Pi, +Inf)
1092 NaN(), // fmod(Pi, NaN)
1093 NaN(), // fmod(+Inf, -Inf)
1094 NaN(), // fmod(+Inf, -Pi)
1095 NaN(), // fmod(+Inf, 0)
1096 NaN(), // fmod(+Inf, Pi)
1097 NaN(), // fmod(+Inf, +Inf)
1098 NaN(), // fmod(+Inf, NaN)
1099 NaN(), // fmod(NaN, -Inf)
1100 NaN(), // fmod(NaN, -Pi)
1101 NaN(), // fmod(NaN, 0)
1102 NaN(), // fmod(NaN, Pi)
1103 NaN(), // fmod(NaN, +Inf)
1104 NaN(), // fmod(NaN, NaN)
1107 var vffrexpSC = []float64{
1116 {Copysign(0, -1), 0},
1122 var vfgammaSC = []float64{
1130 var gammaSC = []float64{
1139 var vfhypotSC = [][2]float64{
1144 {Copysign(0, -1), Copysign(0, -1)},
1145 {Copysign(0, -1), 0},
1146 {0, Copysign(0, -1)},
1160 var hypotSC = []float64{
1182 var vfilogbSC = []float64{
1188 var ilogbSC = []int{
1195 var vfj0SC = []float64{
1201 var j0SC = []float64{
1207 var j1SC = []float64{
1213 var j2SC = []float64{
1219 var jM3SC = []float64{
1226 var vfldexpSC = []fi{
1230 {Copysign(0, -1), 0},
1231 {Copysign(0, -1), -1075},
1232 {Copysign(0, -1), 1024},
1239 var ldexpSC = []float64{
1253 var vflgammaSC = []float64{
1262 var lgammaSC = []fi{
1272 var vflogSC = []float64{
1281 var logSC = []float64{
1291 var vflogbSC = []float64{
1297 var logbSC = []float64{
1304 var vflog1pSC = []float64{
1313 var log1pSC = []float64{
1323 var vfmodfSC = []float64{
1328 var modfSC = [][2]float64{
1329 {Inf(-1), NaN()}, // [2]float64{Copysign(0, -1), Inf(-1)},
1330 {Inf(1), NaN()}, // [2]float64{0, Inf(1)},
1334 var vfnextafterSC = [][2]float64{
1336 {0, Copysign(0, -1)},
1339 {Copysign(0, -1), 1},
1340 {Copysign(0, -1), 0},
1341 {Copysign(0, -1), Copysign(0, -1)},
1342 {Copysign(0, -1), -1},
1346 var nextafterSC = []float64{
1349 -4.9406564584124654418e-324, // Float64frombits(0x8000000000000001)
1351 4.9406564584124654418e-324, // Float64frombits(0x0000000000000001)
1354 -4.9406564584124654418e-324, // Float64frombits(0x8000000000000001)
1359 var vfpowSC = [][2]float64{
1362 {Inf(-1), Copysign(0, -1)},
1371 {-Pi, Copysign(0, -1)},
1383 {Copysign(0, -1), Inf(-1)},
1384 {Copysign(0, -1), -Pi},
1385 {Copysign(0, -1), -3},
1386 {Copysign(0, -1), 3},
1387 {Copysign(0, -1), Pi},
1388 {Copysign(0, -1), Inf(1)},
1393 {0, Copysign(0, -1)},
1407 {Pi, Copysign(0, -1)},
1413 {Inf(1), Copysign(0, -1)},
1419 {NaN(), Copysign(0, -1)},
1425 var powSC = []float64{
1426 0, // pow(-Inf, -Pi)
1427 Copysign(0, -1), // pow(-Inf, -3)
1430 Inf(-1), // pow(-Inf, 1)
1431 Inf(-1), // pow(-Inf, 3)
1432 Inf(1), // pow(-Inf, Pi)
1433 NaN(), // pow(-Inf, NaN)
1434 0, // pow(-Pi, -Inf)
1435 NaN(), // pow(-Pi, -Pi)
1439 NaN(), // pow(-Pi, Pi)
1440 Inf(1), // pow(-Pi, +Inf)
1441 NaN(), // pow(-Pi, NaN)
1442 1, // pow(-1, -Inf) IEEE 754-2008
1443 1, // pow(-1, +Inf) IEEE 754-2008
1444 NaN(), // pow(-1, NaN)
1445 Inf(1), // pow(-1/2, -Inf)
1446 0, // pow(-1/2, +Inf)
1447 Inf(1), // pow(-0, -Inf)
1448 Inf(1), // pow(-0, -Pi)
1449 Inf(-1), // pow(-0, -3) IEEE 754-2008
1450 Copysign(0, -1), // pow(-0, 3) IEEE 754-2008
1453 Inf(1), // pow(+0, -Inf)
1454 Inf(1), // pow(+0, -Pi)
1455 Inf(1), // pow(+0, -3)
1461 NaN(), // pow(+0, NaN)
1462 Inf(1), // pow(1/2, -Inf)
1463 0, // pow(1/2, +Inf)
1464 1, // pow(1, -Inf) IEEE 754-2008
1465 1, // pow(1, +Inf) IEEE 754-2008
1466 1, // pow(1, NaN) IEEE 754-2008
1467 0, // pow(+Pi, -Inf)
1471 Inf(1), // pow(+Pi, +Inf)
1472 NaN(), // pow(+Pi, NaN)
1473 0, // pow(+Inf, -Pi)
1476 Inf(1), // pow(+Inf, 1)
1477 Inf(1), // pow(+Inf, Pi)
1478 NaN(), // pow(+Inf, NaN)
1479 NaN(), // pow(NaN, -Pi)
1482 NaN(), // pow(NaN, 1)
1483 NaN(), // pow(NaN, +Pi)
1484 NaN(), // pow(NaN, NaN)
1487 var vfpow10SC = []int{
1494 var pow10SC = []float64{
1495 0, // pow10(MinInt32)
1496 Inf(1), // pow10(MaxInt32)
1498 Inf(1), // pow10(309)
1501 var vfsignbitSC = []float64{
1508 var signbitSC = []bool{
1516 var vfsinSC = []float64{
1523 var sinSC = []float64{
1531 var vfsinhSC = []float64{
1538 var sinhSC = []float64{
1546 var vfsqrtSC = []float64{
1554 var sqrtSC = []float64{
1563 var vftanhSC = []float64{
1570 var tanhSC = []float64{
1578 var vfy0SC = []float64{
1584 var y0SC = []float64{
1590 var y1SC = []float64{
1596 var y2SC = []float64{
1602 var yM3SC = []float64{
1609 // arguments and expected results for boundary cases
1611 SmallestNormalFloat64 = 2.2250738585072014e-308 // 2**-1022
1612 LargestSubnormalFloat64 = SmallestNormalFloat64 - SmallestNonzeroFloat64
1615 var vffrexpBC = []float64{
1616 SmallestNormalFloat64,
1617 LargestSubnormalFloat64,
1618 SmallestNonzeroFloat64,
1620 -SmallestNormalFloat64,
1621 -LargestSubnormalFloat64,
1622 -SmallestNonzeroFloat64,
1627 {0.99999999999999978, -1022},
1629 {0.99999999999999989, 1024},
1631 {-0.99999999999999978, -1022},
1633 {-0.99999999999999989, 1024},
1636 var vfldexpBC = []fi{
1637 {SmallestNormalFloat64, -52},
1638 {LargestSubnormalFloat64, -51},
1639 {SmallestNonzeroFloat64, 1074},
1640 {MaxFloat64, -(1023 + 1074)},
1646 var ldexpBC = []float64{
1647 SmallestNonzeroFloat64,
1657 var logbBC = []float64{
1668 func tolerance(a, b, e float64) bool {
1682 func kindaclose(a, b float64) bool { return tolerance(a, b, 1e-8) }
1683 func close(a, b float64) bool { return tolerance(a, b, 1e-14) }
1684 func veryclose(a, b float64) bool { return tolerance(a, b, 4e-16) }
1685 func soclose(a, b, e float64) bool { return tolerance(a, b, e) }
1686 func alike(a, b float64) bool {
1688 case IsNaN(a) && IsNaN(b):
1691 return Signbit(a) == Signbit(b)
1696 func TestNaN(t *testing.T) {
1699 t.Fatalf("NaN() returns %g, expected NaN", f64)
1703 t.Fatalf("float32(NaN()) is %g, expected NaN", f32)
1707 func TestAcos(t *testing.T) {
1708 for i := 0; i < len(vf); i++ {
1710 if f := Acos(a); !close(acos[i], f) {
1711 t.Errorf("Acos(%g) = %g, want %g", a, f, acos[i])
1714 for i := 0; i < len(vfacosSC); i++ {
1715 if f := Acos(vfacosSC[i]); !alike(acosSC[i], f) {
1716 t.Errorf("Acos(%g) = %g, want %g", vfacosSC[i], f, acosSC[i])
1721 func TestAcosh(t *testing.T) {
1722 for i := 0; i < len(vf); i++ {
1724 if f := Acosh(a); !veryclose(acosh[i], f) {
1725 t.Errorf("Acosh(%g) = %g, want %g", a, f, acosh[i])
1728 for i := 0; i < len(vfacoshSC); i++ {
1729 if f := Acosh(vfacoshSC[i]); !alike(acoshSC[i], f) {
1730 t.Errorf("Acosh(%g) = %g, want %g", vfacoshSC[i], f, acoshSC[i])
1735 func TestAsin(t *testing.T) {
1736 for i := 0; i < len(vf); i++ {
1738 if f := Asin(a); !veryclose(asin[i], f) {
1739 t.Errorf("Asin(%g) = %g, want %g", a, f, asin[i])
1742 for i := 0; i < len(vfasinSC); i++ {
1743 if f := Asin(vfasinSC[i]); !alike(asinSC[i], f) {
1744 t.Errorf("Asin(%g) = %g, want %g", vfasinSC[i], f, asinSC[i])
1749 func TestAsinh(t *testing.T) {
1750 for i := 0; i < len(vf); i++ {
1751 if f := Asinh(vf[i]); !veryclose(asinh[i], f) {
1752 t.Errorf("Asinh(%g) = %g, want %g", vf[i], f, asinh[i])
1755 for i := 0; i < len(vfasinhSC); i++ {
1756 if f := Asinh(vfasinhSC[i]); !alike(asinhSC[i], f) {
1757 t.Errorf("Asinh(%g) = %g, want %g", vfasinhSC[i], f, asinhSC[i])
1762 func TestAtan(t *testing.T) {
1763 for i := 0; i < len(vf); i++ {
1764 if f := Atan(vf[i]); !veryclose(atan[i], f) {
1765 t.Errorf("Atan(%g) = %g, want %g", vf[i], f, atan[i])
1768 for i := 0; i < len(vfatanSC); i++ {
1769 if f := Atan(vfatanSC[i]); !alike(atanSC[i], f) {
1770 t.Errorf("Atan(%g) = %g, want %g", vfatanSC[i], f, atanSC[i])
1775 func TestAtanh(t *testing.T) {
1776 for i := 0; i < len(vf); i++ {
1778 if f := Atanh(a); !veryclose(atanh[i], f) {
1779 t.Errorf("Atanh(%g) = %g, want %g", a, f, atanh[i])
1782 for i := 0; i < len(vfatanhSC); i++ {
1783 if f := Atanh(vfatanhSC[i]); !alike(atanhSC[i], f) {
1784 t.Errorf("Atanh(%g) = %g, want %g", vfatanhSC[i], f, atanhSC[i])
1789 func TestAtan2(t *testing.T) {
1790 for i := 0; i < len(vf); i++ {
1791 if f := Atan2(10, vf[i]); !veryclose(atan2[i], f) {
1792 t.Errorf("Atan2(10, %g) = %g, want %g", vf[i], f, atan2[i])
1795 for i := 0; i < len(vfatan2SC); i++ {
1796 if f := Atan2(vfatan2SC[i][0], vfatan2SC[i][1]); !alike(atan2SC[i], f) {
1797 t.Errorf("Atan2(%g, %g) = %g, want %g", vfatan2SC[i][0], vfatan2SC[i][1], f, atan2SC[i])
1802 func TestCbrt(t *testing.T) {
1803 for i := 0; i < len(vf); i++ {
1804 if f := Cbrt(vf[i]); !veryclose(cbrt[i], f) {
1805 t.Errorf("Cbrt(%g) = %g, want %g", vf[i], f, cbrt[i])
1808 for i := 0; i < len(vfcbrtSC); i++ {
1809 if f := Cbrt(vfcbrtSC[i]); !alike(cbrtSC[i], f) {
1810 t.Errorf("Cbrt(%g) = %g, want %g", vfcbrtSC[i], f, cbrtSC[i])
1815 func TestCeil(t *testing.T) {
1816 for i := 0; i < len(vf); i++ {
1817 if f := Ceil(vf[i]); ceil[i] != f {
1818 t.Errorf("Ceil(%g) = %g, want %g", vf[i], f, ceil[i])
1821 for i := 0; i < len(vfceilSC); i++ {
1822 if f := Ceil(vfceilSC[i]); !alike(ceilSC[i], f) {
1823 t.Errorf("Ceil(%g) = %g, want %g", vfceilSC[i], f, ceilSC[i])
1828 func TestCopysign(t *testing.T) {
1829 for i := 0; i < len(vf); i++ {
1830 if f := Copysign(vf[i], -1); copysign[i] != f {
1831 t.Errorf("Copysign(%g, -1) = %g, want %g", vf[i], f, copysign[i])
1834 for i := 0; i < len(vf); i++ {
1835 if f := Copysign(vf[i], 1); -copysign[i] != f {
1836 t.Errorf("Copysign(%g, 1) = %g, want %g", vf[i], f, -copysign[i])
1839 for i := 0; i < len(vfcopysignSC); i++ {
1840 if f := Copysign(vfcopysignSC[i], -1); !alike(copysignSC[i], f) {
1841 t.Errorf("Copysign(%g, -1) = %g, want %g", vfcopysignSC[i], f, copysignSC[i])
1846 func TestCos(t *testing.T) {
1847 for i := 0; i < len(vf); i++ {
1848 if f := Cos(vf[i]); !veryclose(cos[i], f) {
1849 t.Errorf("Cos(%g) = %g, want %g", vf[i], f, cos[i])
1852 for i := 0; i < len(vfcosSC); i++ {
1853 if f := Cos(vfcosSC[i]); !alike(cosSC[i], f) {
1854 t.Errorf("Cos(%g) = %g, want %g", vfcosSC[i], f, cosSC[i])
1859 func TestCosh(t *testing.T) {
1860 for i := 0; i < len(vf); i++ {
1861 if f := Cosh(vf[i]); !close(cosh[i], f) {
1862 t.Errorf("Cosh(%g) = %g, want %g", vf[i], f, cosh[i])
1865 for i := 0; i < len(vfcoshSC); i++ {
1866 if f := Cosh(vfcoshSC[i]); !alike(coshSC[i], f) {
1867 t.Errorf("Cosh(%g) = %g, want %g", vfcoshSC[i], f, coshSC[i])
1872 func TestErf(t *testing.T) {
1873 for i := 0; i < len(vf); i++ {
1875 if f := Erf(a); !veryclose(erf[i], f) {
1876 t.Errorf("Erf(%g) = %g, want %g", a, f, erf[i])
1879 for i := 0; i < len(vferfSC); i++ {
1880 if f := Erf(vferfSC[i]); !alike(erfSC[i], f) {
1881 t.Errorf("Erf(%g) = %g, want %g", vferfSC[i], f, erfSC[i])
1886 func TestErfc(t *testing.T) {
1887 for i := 0; i < len(vf); i++ {
1889 if f := Erfc(a); !veryclose(erfc[i], f) {
1890 t.Errorf("Erfc(%g) = %g, want %g", a, f, erfc[i])
1893 for i := 0; i < len(vferfcSC); i++ {
1894 if f := Erfc(vferfcSC[i]); !alike(erfcSC[i], f) {
1895 t.Errorf("Erfc(%g) = %g, want %g", vferfcSC[i], f, erfcSC[i])
1900 func TestExp(t *testing.T) {
1901 testExp(t, Exp, "Exp")
1902 testExp(t, ExpGo, "ExpGo")
1905 func testExp(t *testing.T, Exp func(float64) float64, name string) {
1906 for i := 0; i < len(vf); i++ {
1907 if f := Exp(vf[i]); !close(exp[i], f) {
1908 t.Errorf("%s(%g) = %g, want %g", name, vf[i], f, exp[i])
1911 for i := 0; i < len(vfexpSC); i++ {
1912 if f := Exp(vfexpSC[i]); !alike(expSC[i], f) {
1913 t.Errorf("%s(%g) = %g, want %g", name, vfexpSC[i], f, expSC[i])
1918 func TestExpm1(t *testing.T) {
1919 for i := 0; i < len(vf); i++ {
1921 if f := Expm1(a); !veryclose(expm1[i], f) {
1922 t.Errorf("Expm1(%g) = %g, want %g", a, f, expm1[i])
1925 for i := 0; i < len(vfexpm1SC); i++ {
1926 if f := Expm1(vfexpm1SC[i]); !alike(expm1SC[i], f) {
1927 t.Errorf("Expm1(%g) = %g, want %g", vfexpm1SC[i], f, expm1SC[i])
1932 func TestExp2(t *testing.T) {
1933 testExp2(t, Exp2, "Exp2")
1934 testExp2(t, Exp2Go, "Exp2Go")
1937 func testExp2(t *testing.T, Exp2 func(float64) float64, name string) {
1938 for i := 0; i < len(vf); i++ {
1939 if f := Exp2(vf[i]); !close(exp2[i], f) {
1940 t.Errorf("%s(%g) = %g, want %g", name, vf[i], f, exp2[i])
1943 for i := 0; i < len(vfexpSC); i++ {
1944 if f := Exp2(vfexpSC[i]); !alike(expSC[i], f) {
1945 t.Errorf("%s(%g) = %g, want %g", name, vfexpSC[i], f, expSC[i])
1948 for n := -1074; n < 1024; n++ {
1949 f := Exp2(float64(n))
1952 t.Errorf("%s(%d) = %g, want %g", name, n, f, vf)
1957 func TestAbs(t *testing.T) {
1958 for i := 0; i < len(vf); i++ {
1959 if f := Abs(vf[i]); fabs[i] != f {
1960 t.Errorf("Abs(%g) = %g, want %g", vf[i], f, fabs[i])
1963 for i := 0; i < len(vffabsSC); i++ {
1964 if f := Abs(vffabsSC[i]); !alike(fabsSC[i], f) {
1965 t.Errorf("Abs(%g) = %g, want %g", vffabsSC[i], f, fabsSC[i])
1970 func TestDim(t *testing.T) {
1971 for i := 0; i < len(vf); i++ {
1972 if f := Dim(vf[i], 0); fdim[i] != f {
1973 t.Errorf("Dim(%g, %g) = %g, want %g", vf[i], 0.0, f, fdim[i])
1976 for i := 0; i < len(vffdimSC); i++ {
1977 if f := Dim(vffdimSC[i][0], vffdimSC[i][1]); !alike(fdimSC[i], f) {
1978 t.Errorf("Dim(%g, %g) = %g, want %g", vffdimSC[i][0], vffdimSC[i][1], f, fdimSC[i])
1983 func TestFloor(t *testing.T) {
1984 for i := 0; i < len(vf); i++ {
1985 if f := Floor(vf[i]); floor[i] != f {
1986 t.Errorf("Floor(%g) = %g, want %g", vf[i], f, floor[i])
1989 for i := 0; i < len(vfceilSC); i++ {
1990 if f := Floor(vfceilSC[i]); !alike(ceilSC[i], f) {
1991 t.Errorf("Floor(%g) = %g, want %g", vfceilSC[i], f, ceilSC[i])
1996 func TestMax(t *testing.T) {
1997 for i := 0; i < len(vf); i++ {
1998 if f := Max(vf[i], ceil[i]); ceil[i] != f {
1999 t.Errorf("Max(%g, %g) = %g, want %g", vf[i], ceil[i], f, ceil[i])
2002 for i := 0; i < len(vffdimSC); i++ {
2003 if f := Max(vffdimSC[i][0], vffdimSC[i][1]); !alike(fmaxSC[i], f) {
2004 t.Errorf("Max(%g, %g) = %g, want %g", vffdimSC[i][0], vffdimSC[i][1], f, fmaxSC[i])
2009 func TestMin(t *testing.T) {
2010 for i := 0; i < len(vf); i++ {
2011 if f := Min(vf[i], floor[i]); floor[i] != f {
2012 t.Errorf("Min(%g, %g) = %g, want %g", vf[i], floor[i], f, floor[i])
2015 for i := 0; i < len(vffdimSC); i++ {
2016 if f := Min(vffdimSC[i][0], vffdimSC[i][1]); !alike(fminSC[i], f) {
2017 t.Errorf("Min(%g, %g) = %g, want %g", vffdimSC[i][0], vffdimSC[i][1], f, fminSC[i])
2022 func TestMod(t *testing.T) {
2023 for i := 0; i < len(vf); i++ {
2024 if f := Mod(10, vf[i]); fmod[i] != f {
2025 t.Errorf("Mod(10, %g) = %g, want %g", vf[i], f, fmod[i])
2028 for i := 0; i < len(vffmodSC); i++ {
2029 if f := Mod(vffmodSC[i][0], vffmodSC[i][1]); !alike(fmodSC[i], f) {
2030 t.Errorf("Mod(%g, %g) = %g, want %g", vffmodSC[i][0], vffmodSC[i][1], f, fmodSC[i])
2035 func TestFrexp(t *testing.T) {
2036 for i := 0; i < len(vf); i++ {
2037 if f, j := Frexp(vf[i]); !veryclose(frexp[i].f, f) || frexp[i].i != j {
2038 t.Errorf("Frexp(%g) = %g, %d, want %g, %d", vf[i], f, j, frexp[i].f, frexp[i].i)
2041 for i := 0; i < len(vffrexpSC); i++ {
2042 if f, j := Frexp(vffrexpSC[i]); !alike(frexpSC[i].f, f) || frexpSC[i].i != j {
2043 t.Errorf("Frexp(%g) = %g, %d, want %g, %d", vffrexpSC[i], f, j, frexpSC[i].f, frexpSC[i].i)
2046 for i := 0; i < len(vffrexpBC); i++ {
2047 if f, j := Frexp(vffrexpBC[i]); !alike(frexpBC[i].f, f) || frexpBC[i].i != j {
2048 t.Errorf("Frexp(%g) = %g, %d, want %g, %d", vffrexpBC[i], f, j, frexpBC[i].f, frexpBC[i].i)
2053 func TestGamma(t *testing.T) {
2054 for i := 0; i < len(vf); i++ {
2055 if f := Gamma(vf[i]); !close(gamma[i], f) {
2056 t.Errorf("Gamma(%g) = %g, want %g", vf[i], f, gamma[i])
2059 for i := 0; i < len(vfgammaSC); i++ {
2060 if f := Gamma(vfgammaSC[i]); !alike(gammaSC[i], f) {
2061 t.Errorf("Gamma(%g) = %g, want %g", vfgammaSC[i], f, gammaSC[i])
2066 func TestHypot(t *testing.T) {
2067 for i := 0; i < len(vf); i++ {
2068 a := Abs(1e200 * tanh[i] * Sqrt(2))
2069 if f := Hypot(1e200*tanh[i], 1e200*tanh[i]); !veryclose(a, f) {
2070 t.Errorf("Hypot(%g, %g) = %g, want %g", 1e200*tanh[i], 1e200*tanh[i], f, a)
2073 for i := 0; i < len(vfhypotSC); i++ {
2074 if f := Hypot(vfhypotSC[i][0], vfhypotSC[i][1]); !alike(hypotSC[i], f) {
2075 t.Errorf("Hypot(%g, %g) = %g, want %g", vfhypotSC[i][0], vfhypotSC[i][1], f, hypotSC[i])
2080 func TestHypotGo(t *testing.T) {
2081 for i := 0; i < len(vf); i++ {
2082 a := Abs(1e200 * tanh[i] * Sqrt(2))
2083 if f := HypotGo(1e200*tanh[i], 1e200*tanh[i]); !veryclose(a, f) {
2084 t.Errorf("HypotGo(%g, %g) = %g, want %g", 1e200*tanh[i], 1e200*tanh[i], f, a)
2087 for i := 0; i < len(vfhypotSC); i++ {
2088 if f := HypotGo(vfhypotSC[i][0], vfhypotSC[i][1]); !alike(hypotSC[i], f) {
2089 t.Errorf("HypotGo(%g, %g) = %g, want %g", vfhypotSC[i][0], vfhypotSC[i][1], f, hypotSC[i])
2094 func TestIlogb(t *testing.T) {
2095 for i := 0; i < len(vf); i++ {
2096 a := frexp[i].i - 1 // adjust because fr in the interval [½, 1)
2097 if e := Ilogb(vf[i]); a != e {
2098 t.Errorf("Ilogb(%g) = %d, want %d", vf[i], e, a)
2101 for i := 0; i < len(vflogbSC); i++ {
2102 if e := Ilogb(vflogbSC[i]); ilogbSC[i] != e {
2103 t.Errorf("Ilogb(%g) = %d, want %d", vflogbSC[i], e, ilogbSC[i])
2106 for i := 0; i < len(vffrexpBC); i++ {
2107 if e := Ilogb(vffrexpBC[i]); int(logbBC[i]) != e {
2108 t.Errorf("Ilogb(%g) = %d, want %d", vffrexpBC[i], e, int(logbBC[i]))
2113 func TestJ0(t *testing.T) {
2114 for i := 0; i < len(vf); i++ {
2115 if f := J0(vf[i]); !soclose(j0[i], f, 4e-14) {
2116 t.Errorf("J0(%g) = %g, want %g", vf[i], f, j0[i])
2119 for i := 0; i < len(vfj0SC); i++ {
2120 if f := J0(vfj0SC[i]); !alike(j0SC[i], f) {
2121 t.Errorf("J0(%g) = %g, want %g", vfj0SC[i], f, j0SC[i])
2126 func TestJ1(t *testing.T) {
2127 for i := 0; i < len(vf); i++ {
2128 if f := J1(vf[i]); !close(j1[i], f) {
2129 t.Errorf("J1(%g) = %g, want %g", vf[i], f, j1[i])
2132 for i := 0; i < len(vfj0SC); i++ {
2133 if f := J1(vfj0SC[i]); !alike(j1SC[i], f) {
2134 t.Errorf("J1(%g) = %g, want %g", vfj0SC[i], f, j1SC[i])
2139 func TestJn(t *testing.T) {
2140 for i := 0; i < len(vf); i++ {
2141 if f := Jn(2, vf[i]); !close(j2[i], f) {
2142 t.Errorf("Jn(2, %g) = %g, want %g", vf[i], f, j2[i])
2144 if f := Jn(-3, vf[i]); !close(jM3[i], f) {
2145 t.Errorf("Jn(-3, %g) = %g, want %g", vf[i], f, jM3[i])
2148 for i := 0; i < len(vfj0SC); i++ {
2149 if f := Jn(2, vfj0SC[i]); !alike(j2SC[i], f) {
2150 t.Errorf("Jn(2, %g) = %g, want %g", vfj0SC[i], f, j2SC[i])
2152 if f := Jn(-3, vfj0SC[i]); !alike(jM3SC[i], f) {
2153 t.Errorf("Jn(-3, %g) = %g, want %g", vfj0SC[i], f, jM3SC[i])
2158 func TestLdexp(t *testing.T) {
2159 for i := 0; i < len(vf); i++ {
2160 if f := Ldexp(frexp[i].f, frexp[i].i); !veryclose(vf[i], f) {
2161 t.Errorf("Ldexp(%g, %d) = %g, want %g", frexp[i].f, frexp[i].i, f, vf[i])
2164 for i := 0; i < len(vffrexpSC); i++ {
2165 if f := Ldexp(frexpSC[i].f, frexpSC[i].i); !alike(vffrexpSC[i], f) {
2166 t.Errorf("Ldexp(%g, %d) = %g, want %g", frexpSC[i].f, frexpSC[i].i, f, vffrexpSC[i])
2169 for i := 0; i < len(vfldexpSC); i++ {
2170 if f := Ldexp(vfldexpSC[i].f, vfldexpSC[i].i); !alike(ldexpSC[i], f) {
2171 t.Errorf("Ldexp(%g, %d) = %g, want %g", vfldexpSC[i].f, vfldexpSC[i].i, f, ldexpSC[i])
2174 for i := 0; i < len(vffrexpBC); i++ {
2175 if f := Ldexp(frexpBC[i].f, frexpBC[i].i); !alike(vffrexpBC[i], f) {
2176 t.Errorf("Ldexp(%g, %d) = %g, want %g", frexpBC[i].f, frexpBC[i].i, f, vffrexpBC[i])
2179 for i := 0; i < len(vfldexpBC); i++ {
2180 if f := Ldexp(vfldexpBC[i].f, vfldexpBC[i].i); !alike(ldexpBC[i], f) {
2181 t.Errorf("Ldexp(%g, %d) = %g, want %g", vfldexpBC[i].f, vfldexpBC[i].i, f, ldexpBC[i])
2186 func TestLgamma(t *testing.T) {
2187 for i := 0; i < len(vf); i++ {
2188 if f, s := Lgamma(vf[i]); !close(lgamma[i].f, f) || lgamma[i].i != s {
2189 t.Errorf("Lgamma(%g) = %g, %d, want %g, %d", vf[i], f, s, lgamma[i].f, lgamma[i].i)
2192 for i := 0; i < len(vflgammaSC); i++ {
2193 if f, s := Lgamma(vflgammaSC[i]); !alike(lgammaSC[i].f, f) || lgammaSC[i].i != s {
2194 t.Errorf("Lgamma(%g) = %g, %d, want %g, %d", vflgammaSC[i], f, s, lgammaSC[i].f, lgammaSC[i].i)
2199 func TestLog(t *testing.T) {
2200 for i := 0; i < len(vf); i++ {
2202 if f := Log(a); log[i] != f {
2203 t.Errorf("Log(%g) = %g, want %g", a, f, log[i])
2206 if f := Log(10); f != Ln10 {
2207 t.Errorf("Log(%g) = %g, want %g", 10.0, f, Ln10)
2209 for i := 0; i < len(vflogSC); i++ {
2210 if f := Log(vflogSC[i]); !alike(logSC[i], f) {
2211 t.Errorf("Log(%g) = %g, want %g", vflogSC[i], f, logSC[i])
2216 func TestLogb(t *testing.T) {
2217 for i := 0; i < len(vf); i++ {
2218 if f := Logb(vf[i]); logb[i] != f {
2219 t.Errorf("Logb(%g) = %g, want %g", vf[i], f, logb[i])
2222 for i := 0; i < len(vflogbSC); i++ {
2223 if f := Logb(vflogbSC[i]); !alike(logbSC[i], f) {
2224 t.Errorf("Logb(%g) = %g, want %g", vflogbSC[i], f, logbSC[i])
2227 for i := 0; i < len(vffrexpBC); i++ {
2228 if f := Logb(vffrexpBC[i]); !alike(logbBC[i], f) {
2229 t.Errorf("Logb(%g) = %g, want %g", vffrexpBC[i], f, logbBC[i])
2234 func TestLog10(t *testing.T) {
2235 for i := 0; i < len(vf); i++ {
2237 if f := Log10(a); !veryclose(log10[i], f) {
2238 t.Errorf("Log10(%g) = %g, want %g", a, f, log10[i])
2241 if f := Log10(E); f != Log10E {
2242 t.Errorf("Log10(%g) = %g, want %g", E, f, Log10E)
2244 for i := 0; i < len(vflogSC); i++ {
2245 if f := Log10(vflogSC[i]); !alike(logSC[i], f) {
2246 t.Errorf("Log10(%g) = %g, want %g", vflogSC[i], f, logSC[i])
2251 func TestLog1p(t *testing.T) {
2252 for i := 0; i < len(vf); i++ {
2254 if f := Log1p(a); !veryclose(log1p[i], f) {
2255 t.Errorf("Log1p(%g) = %g, want %g", a, f, log1p[i])
2259 if f := Log1p(a); f != Ln10 {
2260 t.Errorf("Log1p(%g) = %g, want %g", a, f, Ln10)
2262 for i := 0; i < len(vflogSC); i++ {
2263 if f := Log1p(vflog1pSC[i]); !alike(log1pSC[i], f) {
2264 t.Errorf("Log1p(%g) = %g, want %g", vflog1pSC[i], f, log1pSC[i])
2269 func TestLog2(t *testing.T) {
2270 for i := 0; i < len(vf); i++ {
2272 if f := Log2(a); !veryclose(log2[i], f) {
2273 t.Errorf("Log2(%g) = %g, want %g", a, f, log2[i])
2276 if f := Log2(E); f != Log2E {
2277 t.Errorf("Log2(%g) = %g, want %g", E, f, Log2E)
2279 for i := 0; i < len(vflogSC); i++ {
2280 if f := Log2(vflogSC[i]); !alike(logSC[i], f) {
2281 t.Errorf("Log2(%g) = %g, want %g", vflogSC[i], f, logSC[i])
2286 func TestModf(t *testing.T) {
2287 for i := 0; i < len(vf); i++ {
2288 if f, g := Modf(vf[i]); !veryclose(modf[i][0], f) || !veryclose(modf[i][1], g) {
2289 t.Errorf("Modf(%g) = %g, %g, want %g, %g", vf[i], f, g, modf[i][0], modf[i][1])
2292 for i := 0; i < len(vfmodfSC); i++ {
2293 if f, g := Modf(vfmodfSC[i]); !alike(modfSC[i][0], f) || !alike(modfSC[i][1], g) {
2294 t.Errorf("Modf(%g) = %g, %g, want %g, %g", vfmodfSC[i], f, g, modfSC[i][0], modfSC[i][1])
2299 func TestNextafter(t *testing.T) {
2300 for i := 0; i < len(vf); i++ {
2301 if f := Nextafter(vf[i], 10); nextafter[i] != f {
2302 t.Errorf("Nextafter(%g, %g) = %g want %g", vf[i], 10.0, f, nextafter[i])
2305 for i := 0; i < len(vfnextafterSC); i++ {
2306 if f := Nextafter(vfnextafterSC[i][0], vfnextafterSC[i][1]); !alike(nextafterSC[i], f) {
2307 t.Errorf("Nextafter(%g, %g) = %g want %g", vfnextafterSC[i][0], vfnextafterSC[i][1], f, nextafterSC[i])
2312 func TestPow(t *testing.T) {
2313 for i := 0; i < len(vf); i++ {
2314 if f := Pow(10, vf[i]); !close(pow[i], f) {
2315 t.Errorf("Pow(10, %g) = %g, want %g", vf[i], f, pow[i])
2318 for i := 0; i < len(vfpowSC); i++ {
2319 if f := Pow(vfpowSC[i][0], vfpowSC[i][1]); !alike(powSC[i], f) {
2320 t.Errorf("Pow(%g, %g) = %g, want %g", vfpowSC[i][0], vfpowSC[i][1], f, powSC[i])
2325 func TestPow10(t *testing.T) {
2326 for i := 0; i < len(vfpow10SC); i++ {
2327 if f := Pow10(vfpow10SC[i]); !alike(pow10SC[i], f) {
2328 t.Errorf("Pow10(%d) = %g, want %g", vfpow10SC[i], f, pow10SC[i])
2333 func TestRemainder(t *testing.T) {
2334 for i := 0; i < len(vf); i++ {
2335 if f := Remainder(10, vf[i]); remainder[i] != f {
2336 t.Errorf("Remainder(10, %g) = %g, want %g", vf[i], f, remainder[i])
2339 for i := 0; i < len(vffmodSC); i++ {
2340 if f := Remainder(vffmodSC[i][0], vffmodSC[i][1]); !alike(fmodSC[i], f) {
2341 t.Errorf("Remainder(%g, %g) = %g, want %g", vffmodSC[i][0], vffmodSC[i][1], f, fmodSC[i])
2346 func TestSignbit(t *testing.T) {
2347 for i := 0; i < len(vf); i++ {
2348 if f := Signbit(vf[i]); signbit[i] != f {
2349 t.Errorf("Signbit(%g) = %t, want %t", vf[i], f, signbit[i])
2352 for i := 0; i < len(vfsignbitSC); i++ {
2353 if f := Signbit(vfsignbitSC[i]); signbitSC[i] != f {
2354 t.Errorf("Signbit(%g) = %t, want %t", vfsignbitSC[i], f, signbitSC[i])
2358 func TestSin(t *testing.T) {
2359 for i := 0; i < len(vf); i++ {
2360 if f := Sin(vf[i]); !veryclose(sin[i], f) {
2361 t.Errorf("Sin(%g) = %g, want %g", vf[i], f, sin[i])
2364 for i := 0; i < len(vfsinSC); i++ {
2365 if f := Sin(vfsinSC[i]); !alike(sinSC[i], f) {
2366 t.Errorf("Sin(%g) = %g, want %g", vfsinSC[i], f, sinSC[i])
2371 func TestSincos(t *testing.T) {
2372 for i := 0; i < len(vf); i++ {
2373 if s, c := Sincos(vf[i]); !veryclose(sin[i], s) || !veryclose(cos[i], c) {
2374 t.Errorf("Sincos(%g) = %g, %g want %g, %g", vf[i], s, c, sin[i], cos[i])
2379 func TestSinh(t *testing.T) {
2380 for i := 0; i < len(vf); i++ {
2381 if f := Sinh(vf[i]); !close(sinh[i], f) {
2382 t.Errorf("Sinh(%g) = %g, want %g", vf[i], f, sinh[i])
2385 for i := 0; i < len(vfsinhSC); i++ {
2386 if f := Sinh(vfsinhSC[i]); !alike(sinhSC[i], f) {
2387 t.Errorf("Sinh(%g) = %g, want %g", vfsinhSC[i], f, sinhSC[i])
2392 func TestSqrt(t *testing.T) {
2393 for i := 0; i < len(vf); i++ {
2395 if f := SqrtGo(a); sqrt[i] != f {
2396 t.Errorf("SqrtGo(%g) = %g, want %g", a, f, sqrt[i])
2399 if f := Sqrt(a); sqrt[i] != f {
2400 t.Errorf("Sqrt(%g) = %g, want %g", a, f, sqrt[i])
2403 for i := 0; i < len(vfsqrtSC); i++ {
2404 if f := SqrtGo(vfsqrtSC[i]); !alike(sqrtSC[i], f) {
2405 t.Errorf("SqrtGo(%g) = %g, want %g", vfsqrtSC[i], f, sqrtSC[i])
2407 if f := Sqrt(vfsqrtSC[i]); !alike(sqrtSC[i], f) {
2408 t.Errorf("Sqrt(%g) = %g, want %g", vfsqrtSC[i], f, sqrtSC[i])
2413 func TestTan(t *testing.T) {
2414 for i := 0; i < len(vf); i++ {
2415 if f := Tan(vf[i]); !veryclose(tan[i], f) {
2416 t.Errorf("Tan(%g) = %g, want %g", vf[i], f, tan[i])
2419 // same special cases as Sin
2420 for i := 0; i < len(vfsinSC); i++ {
2421 if f := Tan(vfsinSC[i]); !alike(sinSC[i], f) {
2422 t.Errorf("Tan(%g) = %g, want %g", vfsinSC[i], f, sinSC[i])
2427 func TestTanh(t *testing.T) {
2428 for i := 0; i < len(vf); i++ {
2429 if f := Tanh(vf[i]); !veryclose(tanh[i], f) {
2430 t.Errorf("Tanh(%g) = %g, want %g", vf[i], f, tanh[i])
2433 for i := 0; i < len(vftanhSC); i++ {
2434 if f := Tanh(vftanhSC[i]); !alike(tanhSC[i], f) {
2435 t.Errorf("Tanh(%g) = %g, want %g", vftanhSC[i], f, tanhSC[i])
2440 func TestTrunc(t *testing.T) {
2441 for i := 0; i < len(vf); i++ {
2442 if f := Trunc(vf[i]); trunc[i] != f {
2443 t.Errorf("Trunc(%g) = %g, want %g", vf[i], f, trunc[i])
2446 for i := 0; i < len(vfceilSC); i++ {
2447 if f := Trunc(vfceilSC[i]); !alike(ceilSC[i], f) {
2448 t.Errorf("Trunc(%g) = %g, want %g", vfceilSC[i], f, ceilSC[i])
2453 func TestY0(t *testing.T) {
2454 for i := 0; i < len(vf); i++ {
2456 if f := Y0(a); !close(y0[i], f) {
2457 t.Errorf("Y0(%g) = %g, want %g", a, f, y0[i])
2460 for i := 0; i < len(vfy0SC); i++ {
2461 if f := Y0(vfy0SC[i]); !alike(y0SC[i], f) {
2462 t.Errorf("Y0(%g) = %g, want %g", vfy0SC[i], f, y0SC[i])
2467 func TestY1(t *testing.T) {
2468 for i := 0; i < len(vf); i++ {
2470 if f := Y1(a); !soclose(y1[i], f, 2e-14) {
2471 t.Errorf("Y1(%g) = %g, want %g", a, f, y1[i])
2474 for i := 0; i < len(vfy0SC); i++ {
2475 if f := Y1(vfy0SC[i]); !alike(y1SC[i], f) {
2476 t.Errorf("Y1(%g) = %g, want %g", vfy0SC[i], f, y1SC[i])
2481 func TestYn(t *testing.T) {
2482 for i := 0; i < len(vf); i++ {
2484 if f := Yn(2, a); !close(y2[i], f) {
2485 t.Errorf("Yn(2, %g) = %g, want %g", a, f, y2[i])
2487 if f := Yn(-3, a); !close(yM3[i], f) {
2488 t.Errorf("Yn(-3, %g) = %g, want %g", a, f, yM3[i])
2491 for i := 0; i < len(vfy0SC); i++ {
2492 if f := Yn(2, vfy0SC[i]); !alike(y2SC[i], f) {
2493 t.Errorf("Yn(2, %g) = %g, want %g", vfy0SC[i], f, y2SC[i])
2495 if f := Yn(-3, vfy0SC[i]); !alike(yM3SC[i], f) {
2496 t.Errorf("Yn(-3, %g) = %g, want %g", vfy0SC[i], f, yM3SC[i])
2501 // Check that math functions of high angle values
2502 // return accurate results. [Since (vf[i] + large) - large != vf[i],
2503 // testing for Trig(vf[i] + large) == Trig(vf[i]), where large is
2504 // a multiple of 2*Pi, is misleading.]
2505 func TestLargeCos(t *testing.T) {
2506 large := float64(100000 * Pi)
2507 for i := 0; i < len(vf); i++ {
2509 f2 := Cos(vf[i] + large)
2511 t.Errorf("Cos(%g) = %g, want %g", vf[i]+large, f2, f1)
2516 func TestLargeSin(t *testing.T) {
2517 large := float64(100000 * Pi)
2518 for i := 0; i < len(vf); i++ {
2520 f2 := Sin(vf[i] + large)
2522 t.Errorf("Sin(%g) = %g, want %g", vf[i]+large, f2, f1)
2527 func TestLargeSincos(t *testing.T) {
2528 large := float64(100000 * Pi)
2529 for i := 0; i < len(vf); i++ {
2530 f1, g1 := sinLarge[i], cosLarge[i]
2531 f2, g2 := Sincos(vf[i] + large)
2532 if !close(f1, f2) || !close(g1, g2) {
2533 t.Errorf("Sincos(%g) = %g, %g, want %g, %g", vf[i]+large, f2, g2, f1, g1)
2538 func TestLargeTan(t *testing.T) {
2539 large := float64(100000 * Pi)
2540 for i := 0; i < len(vf); i++ {
2542 f2 := Tan(vf[i] + large)
2544 t.Errorf("Tan(%g) = %g, want %g", vf[i]+large, f2, f1)
2549 // Check that math constants are accepted by compiler
2550 // and have right value (assumes strconv.ParseFloat works).
2551 // http://code.google.com/p/go/issues/detail?id=201
2553 type floatTest struct {
2559 var floatTests = []floatTest{
2560 {float64(MaxFloat64), "MaxFloat64", "1.7976931348623157e+308"},
2561 {float64(SmallestNonzeroFloat64), "SmallestNonzeroFloat64", "5e-324"},
2562 {float32(MaxFloat32), "MaxFloat32", "3.4028235e+38"},
2563 {float32(SmallestNonzeroFloat32), "SmallestNonzeroFloat32", "1e-45"},
2566 func TestFloatMinMax(t *testing.T) {
2567 for _, tt := range floatTests {
2568 s := fmt.Sprint(tt.val)
2570 t.Errorf("Sprint(%v) = %s, want %s", tt.name, s, tt.str)
2577 func BenchmarkAcos(b *testing.B) {
2578 for i := 0; i < b.N; i++ {
2583 func BenchmarkAcosh(b *testing.B) {
2584 for i := 0; i < b.N; i++ {
2589 func BenchmarkAsin(b *testing.B) {
2590 for i := 0; i < b.N; i++ {
2595 func BenchmarkAsinh(b *testing.B) {
2596 for i := 0; i < b.N; i++ {
2601 func BenchmarkAtan(b *testing.B) {
2602 for i := 0; i < b.N; i++ {
2607 func BenchmarkAtanh(b *testing.B) {
2608 for i := 0; i < b.N; i++ {
2613 func BenchmarkAtan2(b *testing.B) {
2614 for i := 0; i < b.N; i++ {
2619 func BenchmarkCbrt(b *testing.B) {
2620 for i := 0; i < b.N; i++ {
2625 func BenchmarkCeil(b *testing.B) {
2626 for i := 0; i < b.N; i++ {
2631 func BenchmarkCopysign(b *testing.B) {
2632 for i := 0; i < b.N; i++ {
2637 func BenchmarkCos(b *testing.B) {
2638 for i := 0; i < b.N; i++ {
2643 func BenchmarkCosh(b *testing.B) {
2644 for i := 0; i < b.N; i++ {
2649 func BenchmarkErf(b *testing.B) {
2650 for i := 0; i < b.N; i++ {
2655 func BenchmarkErfc(b *testing.B) {
2656 for i := 0; i < b.N; i++ {
2661 func BenchmarkExp(b *testing.B) {
2662 for i := 0; i < b.N; i++ {
2667 func BenchmarkExpGo(b *testing.B) {
2668 for i := 0; i < b.N; i++ {
2673 func BenchmarkExpm1(b *testing.B) {
2674 for i := 0; i < b.N; i++ {
2679 func BenchmarkExp2(b *testing.B) {
2680 for i := 0; i < b.N; i++ {
2685 func BenchmarkExp2Go(b *testing.B) {
2686 for i := 0; i < b.N; i++ {
2691 func BenchmarkAbs(b *testing.B) {
2692 for i := 0; i < b.N; i++ {
2697 func BenchmarkDim(b *testing.B) {
2698 for i := 0; i < b.N; i++ {
2703 func BenchmarkFloor(b *testing.B) {
2704 for i := 0; i < b.N; i++ {
2709 func BenchmarkMax(b *testing.B) {
2710 for i := 0; i < b.N; i++ {
2715 func BenchmarkMin(b *testing.B) {
2716 for i := 0; i < b.N; i++ {
2721 func BenchmarkMod(b *testing.B) {
2722 for i := 0; i < b.N; i++ {
2727 func BenchmarkFrexp(b *testing.B) {
2728 for i := 0; i < b.N; i++ {
2733 func BenchmarkGamma(b *testing.B) {
2734 for i := 0; i < b.N; i++ {
2739 func BenchmarkHypot(b *testing.B) {
2740 for i := 0; i < b.N; i++ {
2745 func BenchmarkHypotGo(b *testing.B) {
2746 for i := 0; i < b.N; i++ {
2751 func BenchmarkIlogb(b *testing.B) {
2752 for i := 0; i < b.N; i++ {
2757 func BenchmarkJ0(b *testing.B) {
2758 for i := 0; i < b.N; i++ {
2763 func BenchmarkJ1(b *testing.B) {
2764 for i := 0; i < b.N; i++ {
2769 func BenchmarkJn(b *testing.B) {
2770 for i := 0; i < b.N; i++ {
2775 func BenchmarkLdexp(b *testing.B) {
2776 for i := 0; i < b.N; i++ {
2781 func BenchmarkLgamma(b *testing.B) {
2782 for i := 0; i < b.N; i++ {
2787 func BenchmarkLog(b *testing.B) {
2788 for i := 0; i < b.N; i++ {
2793 func BenchmarkLogb(b *testing.B) {
2794 for i := 0; i < b.N; i++ {
2799 func BenchmarkLog1p(b *testing.B) {
2800 for i := 0; i < b.N; i++ {
2805 func BenchmarkLog10(b *testing.B) {
2806 for i := 0; i < b.N; i++ {
2811 func BenchmarkLog2(b *testing.B) {
2812 for i := 0; i < b.N; i++ {
2817 func BenchmarkModf(b *testing.B) {
2818 for i := 0; i < b.N; i++ {
2823 func BenchmarkNextafter(b *testing.B) {
2824 for i := 0; i < b.N; i++ {
2829 func BenchmarkPowInt(b *testing.B) {
2830 for i := 0; i < b.N; i++ {
2835 func BenchmarkPowFrac(b *testing.B) {
2836 for i := 0; i < b.N; i++ {
2841 func BenchmarkPow10Pos(b *testing.B) {
2842 for i := 0; i < b.N; i++ {
2847 func BenchmarkPow10Neg(b *testing.B) {
2848 for i := 0; i < b.N; i++ {
2853 func BenchmarkRemainder(b *testing.B) {
2854 for i := 0; i < b.N; i++ {
2859 func BenchmarkSignbit(b *testing.B) {
2860 for i := 0; i < b.N; i++ {
2865 func BenchmarkSin(b *testing.B) {
2866 for i := 0; i < b.N; i++ {
2871 func BenchmarkSincos(b *testing.B) {
2872 for i := 0; i < b.N; i++ {
2877 func BenchmarkSinh(b *testing.B) {
2878 for i := 0; i < b.N; i++ {
2883 func BenchmarkSqrt(b *testing.B) {
2884 for i := 0; i < b.N; i++ {
2889 func BenchmarkSqrtGo(b *testing.B) {
2890 for i := 0; i < b.N; i++ {
2895 func BenchmarkTan(b *testing.B) {
2896 for i := 0; i < b.N; i++ {
2901 func BenchmarkTanh(b *testing.B) {
2902 for i := 0; i < b.N; i++ {
2906 func BenchmarkTrunc(b *testing.B) {
2907 for i := 0; i < b.N; i++ {
2912 func BenchmarkY0(b *testing.B) {
2913 for i := 0; i < b.N; i++ {
2918 func BenchmarkY1(b *testing.B) {
2919 for i := 0; i < b.N; i++ {
2924 func BenchmarkYn(b *testing.B) {
2925 for i := 0; i < b.N; i++ {