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5 | 5 | from pylops.basicoperators import FirstDerivative, Identity, MatrixMult |
6 | 6 | from pylops.optimization.sparsity import fista, irls, ista, omp, spgl1, splitbregman |
7 | 7 |
|
| 8 | +# currently test spgl1 only if numpy<2.0.0 is installed... |
| 9 | +np_version = np.__version__.split(".") |
| 10 | + |
8 | 11 | par1 = { |
9 | 12 | "ny": 11, |
10 | 13 | "nx": 11, |
@@ -359,24 +362,25 @@ def test_ISTA_FISTA_multiplerhs(par): |
359 | 362 | ) |
360 | 363 | def test_SPGL1(par): |
361 | 364 | """Invert problem with SPGL1""" |
362 | | - np.random.seed(42) |
363 | | - Aop = MatrixMult(np.random.randn(par["ny"], par["nx"])) |
364 | | - |
365 | | - x = np.zeros(par["nx"]) |
366 | | - x[par["nx"] // 2] = 1 |
367 | | - x[3] = 1 |
368 | | - x[par["nx"] - 4] = -1 |
369 | | - |
370 | | - x0 = ( |
371 | | - np.random.normal(0, 10, par["nx"]) |
372 | | - + par["imag"] * np.random.normal(0, 10, par["nx"]) |
373 | | - if par["x0"] |
374 | | - else None |
375 | | - ) |
376 | | - y = Aop * x |
377 | | - xinv = spgl1(Aop, y, x0=x0, iter_lim=5000)[0] |
| 365 | + if int(np_version[0]) < 2: |
| 366 | + np.random.seed(42) |
| 367 | + Aop = MatrixMult(np.random.randn(par["ny"], par["nx"])) |
| 368 | + |
| 369 | + x = np.zeros(par["nx"]) |
| 370 | + x[par["nx"] // 2] = 1 |
| 371 | + x[3] = 1 |
| 372 | + x[par["nx"] - 4] = -1 |
| 373 | + |
| 374 | + x0 = ( |
| 375 | + np.random.normal(0, 10, par["nx"]) |
| 376 | + + par["imag"] * np.random.normal(0, 10, par["nx"]) |
| 377 | + if par["x0"] |
| 378 | + else None |
| 379 | + ) |
| 380 | + y = Aop * x |
| 381 | + xinv = spgl1(Aop, y, x0=x0, iter_lim=5000)[0] |
378 | 382 |
|
379 | | - assert_array_almost_equal(x, xinv, decimal=1) |
| 383 | + assert_array_almost_equal(x, xinv, decimal=1) |
380 | 384 |
|
381 | 385 |
|
382 | 386 | @pytest.mark.parametrize("par", [(par1), (par2), (par1j), (par2j)]) |
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