1

2# -*- coding: utf-8 -*-

3

4 u'''Single-instance C{float} and C{int} constants across C{pygeodesy} modules and

5 related functions L{pygeodesy.float_}, L{pygeodesy.isclose}, L{pygeodesy.isfinite},

6 L{pygeodesy.isinf}, L{pygeodesy.isint0}, L{pygeodesy.isnan}, L{pygeodesy.isnear0},

7 L{pygeodesy.isnear1}, L{pygeodesy.isnear90}, L{pygeodesy.isneg0}, L{pygeodesy.isninf},

8 L{pygeodesy.isnon0} and L{pygeodesy.remainder}.

9'''

10# make sure int/int division yields float quotient, see .basics

11 from __future__ import division as _; del _ # PYCHOK semicolon

12

13 from pygeodesy.basics import _copysign, isbool, iscomplex, isint

14 from pygeodesy.errors import _xError, _xError2, _xkwds_get1, _xkwds_item2

15# from pygeodesy.fsums import _isFsum_2Tuple # _MODS

16 from pygeodesy.internals import _0_0, _100_0, typename

17 from pygeodesy.interns import _DMAIN_, _INF_, _NAN_

18 from pygeodesy.lazily import _ALL_MODS as _MODS, _ALL_LAZY

19# from pygeodesy.streprs import Fmt # from .unitsBase

20 from pygeodesy.unitsBase import Float, Int, Radius, Fmt

21

22 from math import fabs, isinf, isnan, pi as _pi, sqrt

23 try:

24 from math import inf as _inf, nan as _nan # PYCHOK Python 3+

25 except ImportError: # Python 2-

26 _inf, _nan = float(_INF_), float(_NAN_)

27

28__all__ = _ALL_LAZY.constants

29__version__ = '25.04.14'

30

31

32 def _copysign_0_0(y):

33 '''(INTERNAL) copysign(0.0, y), only C{float}.

34 '''

35 return _N_0_0 if y < 0 else _0_0

36

37

38 def _copysign_1_0(y):

39 '''(INTERNAL) copysign(1.0, y), only C{float}.

40 '''

41 return _N_1_0 if y < 0 else _1_0

42

43

44 def _copysignINF(y):

45 '''(INTERNAL) copysign(INF, y), only C{float}.

46 '''

47 return NINF if y < 0 else INF

48

49

50 def _Float(**name_arg):

51 '''(INTERNAL) New named, cached C{Float}.

52 '''

53 n, arg = _xkwds_item2(name_arg)

54 return Float(_float(arg), name=n)

55

56

57 def _Radius(**name_arg):

58 '''(INTERNAL) New named, cached C{Radius}.

59 '''

60 n, arg = _xkwds_item2(name_arg)

61 return Radius(_float(arg), name=n)

62

63

64 def float_(*fs, **sets): # sets=False

65 '''Get scalars as C{float} or I{intern}'ed C{float}.

66

67 @arg fs: One more values (C{scalar}), all positional.

68 @kwarg sets: Use C{B{sets}=True} to C{intern} each

69 B{C{fs}}, otherwise don't C{intern}.

70

71 @return: A single C{float} if only one B{C{fs}} is

72 given, otherwise a tuple of C{float}s.

73

74 @raise TypeError: Some B{C{fs}} is not C{scalar}.

75 '''

76 fl = []

77 _a = fl.append

78 _f = _floats.setdefault if _xkwds_get1(sets, sets=False) else \

79 _floats.get

80 try:

81 for i, f in enumerate(fs):

82 f = float(f)

83 _a(_f(f, f))

84 except Exception as x:

85 E, t = _xError2(x)

86 fs_i = Fmt.SQUARE(fs=i)

87 raise E(fs_i, f, txt=t)

88 return fl[0] if len(fl) == 1 else tuple(fl)

89

90

91 def _float(f): # in .datums, .ellipsoids, ...

92 '''(INTERNAL) Cache initial C{float}s.

93 '''

94 f = float(f)

95 return _floats.setdefault(f, f) # PYCHOK del _floats

96

97

98 def float0_(*xs):

99 '''Yield C{B{x}s} as a non-NEG0 C{float}.

100 '''

101 for x in xs:

102 yield float(x) if x else _0_0

103

104

105 def _float0(f): # in .auxilats.auxily, .resections, .vector3dBase, ...

106 '''(INTERNAL) Return C{float(B{f})} or C{INT0}.

107 '''

108 if f:

109 f = float(f)

110 f = _floats.get(f, f)

111 elif f is not INT0:

112 f = float(f) or _0_0 # force None, NN error

113 return f

114

115

116 def _floatuple(*fs):

117 '''(INTERNAL) Cache a tuple of C{float}s.

118 '''

119 return tuple(map(_float, fs))

120

121

122 try:

123 from math import log2 as _log2

124 except ImportError: # Python 3.3-

125 from math import log as _log

126

127 def _log2(x): # in .rhumb.aux_, .auxilats.auxLat

128 return _log(x, 2)

129

130

131 def _naninf(p, *xs):

132 '''(INTERNAL) Return C{NAN}, C{NINF} or C{INF}.

133 '''

134 for x in xs:

135 p *= x # fmath.fprod(xs)

136 return _copysignINF(p) if isfinite(p) else p

137

138

139 def _over(p, q):

140 '''(INTERNAL) Return C{B{p} / B{q}} avoiding C{ZeroDivisionError} exceptions.

141 '''

142 try:

143 return (p / q) # if p else _copysign_0_0(q)

144 except ZeroDivisionError:

145 return (_copysignINF(p) if isfinite(p) else NAN) if p else p

146

147

148 def _1_over(x):

149 '''(INTERNAL) Return reciprocal C{1 / B{x}} avoiding C{ZeroDivisionError} exceptions.

150 '''

151 try:

152 return _1_0 / float(x)

153 except ZeroDivisionError:

154 return NINF if isneg0(x) else INF

155

156

157_floats = {} # PYCHOK floats cache, in .__main__

158# _float = float # PYCHOK expected

159# del _floats # XXX zap floats cache never

160

161_0_0 = _float( _0_0) # PYCHOK expected

162_0_0_1T = _0_0, # PYCHOK 1-tuple

163_0_0_9T = _0_0_1T * 9 # PYCHOK 9-tuple

164_0_0001 = _float( 0.0001) # PYCHOK expected

165_0_001 = _float( 0.001) # PYCHOK expected

166_0_01 = _float( 0.01) # PYCHOK expected

167_0_1 = _float( 0.1) # PYCHOK expected

168_0_125 = _float( 0.125) # PYCHOK expected

169_0_25 = _float( 0.25) # PYCHOK expected

170_0_5 = _float( 0.5) # PYCHOK expected

171_1_0 = _float( 1) # PYCHOK expected

172_1_0_1T = _1_0, # PYCHOK 1-tuple

173_1_5 = _float( 1.5) # PYCHOK expected

174_1_75 = _float( 1.75) # PYCHOK expected

175_2_0 = _float( 2) # PYCHOK expected

176_3_0 = _float( 3) # PYCHOK expected

177_4_0 = _float( 4) # PYCHOK expected

178_5_0 = _float( 5) # PYCHOK expected

179_6_0 = _float( 6) # PYCHOK expected

180_8_0 = _float( 8) # PYCHOK expected

181_9_0 = _float( 9) # PYCHOK expected

182_10_0 = _float( 10) # PYCHOK expected

183_16_0 = _float( 16) # PYCHOK expected

184_32_0 = _float( 32) # PYCHOK expected

185_45_0 = _float( 45) # PYCHOK expected

186_60_0 = _float( 60) # PYCHOK expected

187_64_0 = _float( 64) # PYCHOK expected

188_90_0 = _float( 90) # PYCHOK expected

189_100_0 = _float(_100_0) # PYCHOK expected

190_180_0 = _float( 180) # PYCHOK expected

191_270_0 = _float( 270) # PYCHOK expected

192_360_0 = _float( 360) # PYCHOK expected

193_720_0 = _float( 720) # PYCHOK expected

194_1000_0 = _float(1000) # PYCHOK expected

195_3600_0 = _float(3600) # PYCHOK expected

196

197_N_0_0 = float( '-0.0') # PYCHOK NOT _float!

198_N_0_5 = _float( -_0_5) # PYCHOK expected

199_N_1_0 = _float( -_1_0) # PYCHOK expected

200_N_2_0 = _float( -_2_0) # PYCHOK expected

201_N_90_0 = _float( -_90_0) # PYCHOK expected

202_N_180_0 = _float(-_180_0) # PYCHOK expected

203

204_M_KM = _1000_0 # meter per Kilo meter, see .utily

205_M_NM = _float(1852.0) # meter per Nautical Mile, exactly

206_M_SM = _float(1609.344) # meter per Statute Mile

207

208 try:

209 from sys import float_info as _f_i

210 # @see: <https://NumPy.org/doc/stable/reference/generated/numpy.finfo.html>

211 DIG = Int( DIG =_f_i.dig) # PYCHOK system's float decimal digits

212 EPS = _Float(EPS =_f_i.epsilon) # PYCHOK system's EPSilon

213 MANT_DIG = Int( MANT_DIG=_f_i.mant_dig) # PYCHOK system's float mantissa bits

214 MAX = _Float(MAX =_f_i.max) # PYCHOK system's MAX float 1.7976931348623157e+308

215 MAX_EXP = Int( MAX_EXP =_f_i.max_exp) # PYTHON system's max base 2 exponent

216 MIN = _Float(MIN =_f_i.min) # PYCHOK system's MIN float 2.2250738585072014e-308

217 MIN_EXP = Int( MIN_EXP =_f_i.min_exp) # PYTHON system's min base 2 exponent

218# RADIX = Int( RADIX =_f_i.radix) # PYTHON system's float base

219 del _f_i

220 except ImportError: # PYCHOK no cover

221 DIG = Int( DIG =15) # PYCHOK system's 64-bit float decimal digits

222 EPS = _Float(EPS =2.220446049250313e-16) # PYCHOK EPSilon 2**-52, M{EPS +/- 1 != 1}

223 MANT_DIG = Int( MANT_DIG=53) # PYCHOK float mantissa bits ≈ 53 (C{int})

224 MAX = _Float(MAX =pow(_2_0, 1023) * (_2_0 - EPS)) # PYCHOK ≈ 10**308

225 MAX_EXP = Int( MAX_ESP =_log2(MAX)) # 308 base 10

226 MIN = _Float(MIN =pow(_2_0, -1021)) # PYCHOK ≈ 10**-308

227 MIN_EXP = Int(MIN_EXP =_log2(MIN)) # -307 base 10

228# RADIX = Int(Radix =2) # base

229

230 EPS0 = _Float( EPS0 = EPS**2) # PYCHOK near-/non-zero comparison 4.930381e-32, or EPS or EPS_2

231 EPS02 = _Float( EPS02 = EPS**4) # PYCHOK near-zero-squared comparison 2.430865e-63

232 EPS_2 = _Float( EPS_2 = EPS / _2_0) # PYCHOK ≈ 1.110223024625e-16

233 EPS1 = _Float( EPS1 =_1_0 - EPS) # PYCHOK ≈ 0.9999999999999998

234 EPS2 = _Float( EPS2 = EPS * _2_0) # PYCHOK ≈ 4.440892098501e-16

235 EPS4 = _Float( EPS4 = EPS * _4_0) # PYCHOK ≈ 8.881784197001e-16

236# _1EPS = _Float(_1EPS =_1_0 + EPS) # PYCHOK ≈ 1.0000000000000002

237_1_EPS = _Float(_1_EPS =_1_0 / EPS) # PYCHOK = 4503599627370496.0

238# _2_EPS = _Float(_2_EPS =_2_0 / EPS) # PYCHOK = 9007199254740992.0

239_EPS2e4 = _Float(_EPS2e4= EPS2 * 1.e4) # PYCHOK ≈ 4.440892098501e-12

240_EPS4e8 = _Float(_EPS4e8= EPS4 * 1.e8) # PYCHOK ≈ 8.881784197001e-08

241_EPSjam = _Float(_EPSjam= pow(EPS, 0.75)) # PYCHOK = 1.818989403546e-12

242_EPSmin = _Float(_EPSmin= sqrt(MIN)) # PYCHOK = 1.49166814624e-154

243_EPSqrt = _Float(_EPSqrt= sqrt(EPS)) # PYCHOK = 1.49011611938e5-08

244_EPStol = _Float(_EPStol=_EPSqrt * _0_1) # PYCHOK = 1.49011611938e5-09 == sqrt(EPS * _0_01)

245

246_89_999 = _Float(_89_999=_90_0 * EPS1) # just below 90.0

247# <https://Numbers.Computation.Free.FR/Constants/Miscellaneous/digits.html>

248_1__90 = _Float(_1__90 =_1_0 / _90_0) # PYCHOK = 0.011_111_111_111_111_111_111_111_111_111_111_111_111_111_111_11111

249_2__PI = _Float(_2__PI =_2_0 / _pi) # PYCHOK = 0.636_619_772_367_581_343_075_535_053_490_057_448_137_838_582_96182

250

251_1_16th = _Float(_1_16th=_1_0 / _16_0) # PYCHOK in .ellipsoids, .karney

252_1_3rd = _Float(_1_3rd =_1_0 / _3_0) # PYCHOK in .fmath

253_1_6th = _Float(_1_6th =_1_0 / _6_0) # PYCHOK in .fmath

254

255_K0_UTM = _Float(_K0_UTM = 0.9996) # PYCHOK in .etm, .ktm, .utm, UTM scale at central meridian

256# sqrt(2) <https://WikiPedia.org/wiki/Square_root_of_2>

257# 1.414213562373095_048_801_688_724_209_698_078_569_671_875_376_948_073_176_679_737_99

258# _1SQRT2= _Float(_1SQRT2 =sqrt(_2_0) + 1)

259# 0.707106781186547_524_400_844_362_104_849_039_284_835_937_688_474_036_588_339_868_99

260_SQRT2_2 = _Float(_SQRT2_2=sqrt(_0_5)) # PYCHOK = 0.707106781186547_5 == sqrt(2) / 2

261

262 INF = Float(INF =_inf) # PYCHOK INFinity, see function L{isinf}, L{isfinite}, NOT _Float!

263 INT0 = Int( INT0= 0) # PYCHOK unique int(0) instance, see .fsums, useZ=False

264 NAN = Float(NAN =_nan) # PYCHOK Not-A-Number, see function L{isnan}, NOT _Float!

265 NEG0 = Float(NEG0=_N_0_0) # PYCHOK NEGative 0.0, see function L{isneg0}, NOT _Float!

266 NINF = Float(NINF=-INF) # PYCHOK Negative INFinity, NOT _Float!

267

268 PI = _Float(PI =_pi) # 3.1415_9265_3589_7932_3846_2643_3832_795

269 PI2 = _Float(PI2 =_pi * _2_0) # PYCHOK Two PI, M{PI * 2} aka I{Tau}

270 PI_2 = _Float(PI_2 =_pi / _2_0) # PYCHOK Half PI, M{PI / 2}

271 PI3 = _Float(PI3 =_pi * _3_0) # PYCHOK Three PI, M{PI * 3}

272 PI3_2 = _Float(PI3_2=_pi * _1_5) # PYCHOK PI and a half, M{PI * 3 / 2}

273 PI_3 = _Float(PI_3 =_pi / _3_0) # PYCHOK One third PI, M{PI / 3}

274 PI4 = _Float(PI4 =_pi * _4_0) # PYCHOK Four PI, M{PI * 4}

275 PI_4 = _Float(PI_4 =_pi / _4_0) # PYCHOK Quarter PI, M{PI / 4}

276

277 R_MA = _Radius(R_MA=6378137.0) # PYCHOK equatorial earth radius (C{meter}), WGS84, EPSG:3785

278 R_MB = _Radius(R_MB=6356752.3) # PYCHOK polar earth radius (C{meter}), WGS84, EPSG:3785

279 R_M = _Radius(R_M =6371008.771415) # PYCHOK mean, spherical earth radius (C{meter})

280 R_KM = _Radius(R_KM=R_M / _M_KM) # PYCHOK mean, spherical earth radius (C{KM}, Kilo meter)

281 R_NM = _Radius(R_NM=R_M / _M_NM) # PYCHOK mean, spherical earth radius (C{NM}, nautical miles)

282 R_SM = _Radius(R_SM=R_M / _M_SM) # PYCHOK mean, spherical earth radius (C{SM}, statute miles)

283# See <https://www.EdWilliams.org/avform.htm>, <https://www.DTIC.mil/dtic/tr/fulltext/u2/a216843.pdf>

284# and <https://GitHub.com/NASA/MultiDop/blob/master/src/share/man/man3/geog_lib.3> based on the

285# International Standard Nautical Mile of 1,852 meter (1' latitude)

286 R_FM = _Radius(R_FM=6371000.0) # PYCHOK former FAI Sphere earth radius (C{meter})

287 R_GM = _Radius(R_GM=6371230.0) # PYCHOK avg. radius, distance to geoid surface (C{meter})

288# <http://Wiki.GIS.com/wiki/index.php/Ellipsoidal_quadratic_mean_radius>

289 R_QM = _Radius(R_QM=6372797.560856) # PYCHOK earth' quadratic mean radius (C{meter})

290# Rtri= _Radius(Rtri=6372797.5559594) # PYCHOK Rtriaxial quadratic mean radius (C{meter}), WGS84

291# Rbi = _Radius(Rbi =6367453.6345163) # PYCHOK Rbiaxial quadratic mean radius (C{meter}), WGS84

292 R_VM = _Radius(R_VM=6366707.0194937) # PYCHOK aViation/naVigation earth radius (C{meter})

293# R_AU= Meter( R_AU=149597870700.0) # PYCHOK <https://WikiPedia.org/wiki/Astronomical_unit>

294

295_INF_NAN_NINF = INF, NAN, NINF

296_pos_self = _1_0.__pos__() is _1_0 # PYCHOK in .fsums, .vector3dBase

297

298

299 def _0_0s(n):

300 '''(INTERNAL) Return an C{B{n}-tuple} of C{_0_0} zeros.

301 '''

302 return _0_0_9T[:n] if 0 <= n <= len(_0_0_9T) else (_0_0_1T * n)

303

304

305 try:

306 from math import isclose as _isclose

307 except ImportError: # Python 3.4-

308

309 def _isclose(a, b, rel_tol=1e-9, abs_tol=0):

310 '''Mimick Python 3.5+ C{math.isclose}.

311 '''

312 t, d = abs_tol, fabs(a - b)

313 if d > t:

314 r = max(fabs(a), fabs(b)) * rel_tol

315 t = max(r, t)

316 return d <= t

317

318

319 def isclose(a, b, rel_tol=1e-12, abs_tol=EPS0):

320 '''Like C{math.isclose}, but with defaults such

321 that C{isclose(0, EPS0)} is C{True} by default.

322 '''

323 return _isclose(a, b, rel_tol=rel_tol, abs_tol=abs_tol)

324

325

326 try:

327 from cmath import isfinite as _iscfinite

328 except ImportError: # Python 3.1-

329

330 def _iscfinite(x): # PYCHOK not self?

331 '''Mimick Python 3.2+ C{cmath.isfinite}.

332 '''

333 return _isfinite(x.real) and _isfinite(x.imag)

334

335 try:

336 from math import isfinite as _isfinite # in .ellipsoids, ...

337 except ImportError: # Python 3.1-

338

339 def _isfinite(x): # PYCHOK not self?

340 '''Mimick Python 3.2+ C{math.isfinite}.

341 '''

342 return not (isinf(x) or isnan(x))

343

344

345 def isfinite(obj):

346 '''Check a finite C{scalar}, C{complex}, ... value.

347

348 @arg obj: Value (C{scalar}, C{complex}, an L{Fsum} or

349 L{Fsum2Tuple}).

350

351 @return: C{False} if B{C{obj}} is C{INF}, C{NINF} or

352 C{NAN}, C{True} otherwise.

353

354 @raise TypeError: Non-scalar and non-complex B{C{obj}}.

355 '''

356 try:

357 return (obj not in _INF_NAN_NINF) and _isfinite(obj)

358 except Exception as x:

359 if iscomplex(obj): # _isfinite(complex) thows TypeError

360 return _iscfinite(obj)

361 if _MODS.fsums._isFsum_2Tuple(obj): # OverflowError

362 return obj.is_finite()

363 raise _xError(x, Fmt.PAREN(typename(isfinite), obj))

364

365

366 def isint0(obj, both=False):

367 '''Check for L{INT0} or C{int(0)} value.

368

369 @arg obj: The object (any C{type}).

370 @kwarg both: If C{true}, also check C{float(0)} (C{bool}).

371

372 @return: C{True} if B{C{obj}} is L{INT0}, C{int(0)} or

373 C{float(0)}, C{False} otherwise.

374 '''

375 return (obj is INT0 or obj is int(0) or

376 bool(both and (not obj) and isint(obj, both=True))) and \

377 not isbool(obj)

378

379

380 def isnear0(x, eps0=EPS0):

381 '''Is B{C{x}} near I{zero} within a tolerance?

382

383 @arg x: Value (C{scalar}).

384 @kwarg eps0: Near-I{zero} tolerance (C{EPS0}).

385

386 @return: C{True} if C{abs(B{x}) < B{eps0}},

387 C{False} otherwise.

388

389 @see: Function L{isnon0}.

390 '''

391 return bool(eps0 > x > -eps0)

392

393

394 def isnear1(x, eps1=EPS0):

395 '''Is B{C{x}} near I{one} within a tolerance?

396

397 @arg x: Value (C{scalar}).

398 @kwarg eps1: Near-I{one} tolerance (C{EPS0}).

399

400 @return: C{isnear0(B{x} - 1, eps0=B{eps1})}.

401

402 @see: Function L{isnear0}.

403 '''

404 return bool(eps1 > (x - _1_0) > -eps1)

405

406

407 def isnear90(x, eps90=EPS0):

408 '''Is B{C{x}} near I{90} within a tolerance?

409

410 @arg x: Value (C{scalar}).

411 @kwarg eps90: Near-I{90} tolerance (C{EPS0}).

412

413 @return: C{isnear0(B{x} - 90, eps0=eps90)}.

414

415 @see: Function L{isnear0}.

416 '''

417 return bool(eps90 > (x - _90_0) > -eps90)

418

419

420 def isneg0(x):

421 '''Check for L{NEG0}, negative C{0.0}.

422

423 @arg x: Value (C{scalar}).

424

425 @return: C{True} if B{C{x}} is C{NEG0} or C{-0.0},

426 C{False} otherwise.

427 '''

428 return (not x) and _copysign(1, x) < 0

429# and str(x).startswith(_MINUS_)

430

431

432 def isninf(x):

433 '''Check for L{NINF}, negative C{INF}.

434

435 @arg x: Value (C{scalar}).

436

437 @return: C{True} if B{C{x}} is C{NINF} or C{-inf},

438 C{False} otherwise.

439 '''

440 return x is NINF or (x < 0 and not isfinite(x))

441

442

443 def isnon0(x, eps0=EPS0):

444 '''Is B{C{x}} non-zero with a tolerance?

445

446 @arg x: Value (C{scalar}).

447 @kwarg eps0: Non-zero tolerance (C{EPS0}).

448

449 @return: C{True} if C{abs(B{x}) > B{eps0}},

450 C{False} otherwise.

451

452 @see: Function L{isnear0}.

453 '''

454 return not bool(eps0 > x > -eps0) # not isnear0

455

456

457 def _off90(lat):

458 '''(INTERNAL) Off 90.0 for .gars and .wgrs.

459 '''

460 return max(min(lat, _89_999), -_89_999)

461

462

463 try:

464 from math import remainder

465 except ImportError: # Python 3.6-

466 from math import fmod as _fmod

467

468 def remainder(x, y):

469 '''Mimick Python 3.7+ C{math.remainder}.

470 '''

471 if isnan(y):

472 x = NAN

473 elif x and not isnan(x):

474 y = fabs(y)

475 x = _fmod(x, y)

476 h = _0_5 * y

477 if x >= h:

478 x -= y

479 elif x < -h:

480 x += y

481 return x # keep signed 0.0

482

483

484 def _umod_360(deg):

485 '''(INTERNAL) Non-negative C{deg} modulo 360, basic C{.utily.wrap360}.

486 '''

487 return (deg % _360_0) or _0_0

488

489

490 def _umod_PI2(rad):

491 '''(INTERNAL) Non-negative C{rad} modulo PI2, basic C{.utily.wrapPI2}.

492 '''

493 return (rad % PI2) or _0_0

494

495

496 if __name__ == _DMAIN_:

497

498 def _main(locals):

499 from pygeodesy import itemsorted, printf

500 from pygeodesy.interns import _DALL_, _UNDER_

501

502 t = n = v = []

503 for n, v in itemsorted(locals):

504 if isinstance(v, (Float, Int, Radius)):

505 printf('%9s: %r', n, v.toRepr(std=False))

506 if v.name != n:

507 raise AssertionError('%r != %r' % (n, v))

508 if v.name is not n:

509 raise AssertionError('%r is not %r' % (n, v))

510 if not n.startswith(_UNDER_):

511 t.append(n)

512 t.append(typename(float_))

513 printf('%s = %r', _DALL_, tuple(t))

514

515 _main(locals())

516

517# **) MIT License

518#

519# Copyright (C) 2016-2025 -- mrJean1 at Gmail -- All Rights Reserved.

520#

521# Permission is hereby granted, free of charge, to any person obtaining a

522# copy of this software and associated documentation files (the "Software"),

523# to deal in the Software without restriction, including without limitation

524# the rights to use, copy, modify, merge, publish, distribute, sublicense,

525# and/or sell copies of the Software, and to permit persons to whom the

526# Software is furnished to do so, subject to the following conditions:

527#

528# The above copyright notice and this permission notice shall be included

529# in all copies or substantial portions of the Software.

530#

531# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

532# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

533# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

534# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR

535# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

536# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

537# OTHER DEALINGS IN THE SOFTWARE.