Testing integration, conjugation, sums

test/test_operators/test_conjugation_operator.py

+import numpy as np
+from numpy.testing import assert_allclose
+
+import nifty6 as ift
+
+from ..common import setup_function, teardown_function
+
+
+def test_conjugation_operator():
+    sp = ift.RGSpace(8)
+    dom = ift.makeDomain(sp)
+    f_real = ift.from_random(dom)
+    f_imag = ift.from_random(dom)
+    f_complex = f_real + 1.j*f_imag
+    op = ift.ScalingOperator(sp,1).conjugate()
+    res1 = f_complex.conjugate()
+    res2 = op(f_complex)
+    assert_allclose(res1.val, res2.val)

test/test_operators/test_contraction_operator.py

+import numpy as np
+from numpy.testing import assert_allclose
+
+import nifty6 as ift
+
+from ..common import setup_function, teardown_function
+
+def test_contraction_operator():
+    x1 = ift.RGSpace((9,), distances=2.)
+    x2 = ift.RGSpace((2, 12), distances=(0.3,))
+    dom1 = ift.makeDomain(x1)
+    dom2 = ift.makeDomain((x1, x2))
+    f1 = ift.from_random(dom1)
+    f2 = ift.from_random(dom2)
+    op1 = ift.ScalingOperator(dom1, 1).sum()
+    op2 = ift.ScalingOperator(dom2, 1).sum()
+    op3 = ift.ScalingOperator(dom2, 1).sum(spaces=1)
+    res1 = f1.sum()
+    res2 = op1(f1)
+    assert_allclose(res1.val, res2.val)
+    res3 = f2.sum()
+    res4 = op2(f2)
+    assert_allclose(res3.val, res4.val)
+    res5 = f2.sum(spaces=1)
+    res6 = op3(f2)
+    assert_allclose(res5.val, res6.val)
+    for op in [op1, op2, op3]:
+        ift.extra.consistency_check(op, domain_dtype=np.float64,
+                                    target_dtype=np.float64)
+        ift.extra.consistency_check(op, domain_dtype=np.complex128,
+                                    target_dtype=np.complex128)

test/test_operators/test_integration.py

@@ -28,8 +28,8 @@ def test_integration_operator():
     x2 = ift.RGSpace((2, 12), distances=(0.3,))
     dom1 = ift.makeDomain(x1)
     dom2 = ift.makeDomain((x1, x2))
-    f1 = ift.from_random('normal', dom1)
-    f2 = ift.from_random('normal', dom2)
+    f1 = ift.from_random(dom1)
+    f2 = ift.from_random(dom2)
     op1 = ift.ScalingOperator(dom1, 1).integrate()
     op2 = ift.ScalingOperator(dom2, 1).integrate()
     op3 = ift.ScalingOperator(dom2, 1).integrate(spaces=1)