feat(frontend): implement array generating function make_circles alon…

…g with test (passing) for sklearn

ivy/functional/frontends/__init__.py

@@ -8,6 +8,7 @@
     "jax": "0.4.14",
     "scipy": "1.10.1",
     "paddle": "2.5.1",
+    "sklearn": "1.3.0",
 }
 
 

ivy/functional/frontends/sklearn/datasets/__init__.py

@@ -0,0 +1,2 @@
+from . import _samples_generator
+from ._samples_generator import *

ivy/functional/frontends/sklearn/datasets/_samples_generator.py

@@ -0,0 +1,21 @@
+import ivy
+import numbers
+
+
+def make_circles(n_samples=100, *, shuffle=True, noise=None, random_state=None, factor=0.8):
+    # numbers.Integral also includes bool
+    if isinstance(n_samples, numbers.Integral):
+        n_samples_out = n_samples // 2
+        n_samples_in = n_samples - n_samples_out
+    elif isinstance(n_samples, tuple):
+        n_samples_out, n_samples_in = n_samples
+
+    outer_circ_x = ivy.cos(ivy.linspace(0, 2 * ivy.pi, num=n_samples_out, endpoint=False))
+    outer_circ_y = ivy.sin(ivy.linspace(0, 2 * ivy.pi, num=n_samples_out, endpoint=False))
+    inner_circ_x = ivy.cos(ivy.linspace(0, 2 * ivy.pi, num=n_samples_in, endpoint=False)) * factor
+    inner_circ_y = ivy.sin(ivy.linspace(0, 2 * ivy.pi, num=n_samples_in, endpoint=False)) * factor
+    X = ivy.concat([ivy.stack([outer_circ_x, outer_circ_y], axis=1),
+                         ivy.stack([inner_circ_x, inner_circ_y], axis=1)], axis=0)
+    y = ivy.concat([ivy.zeros(n_samples_out, dtype=ivy.int32),
+                         ivy.ones(n_samples_in, dtype=ivy.int32)], axis=0)
+    return X, y

ivy_tests/test_ivy/test_frontends/test_sklearn/test_datasets/test_samples_generators.py

@@ -0,0 +1,26 @@
+import ivy_tests.test_ivy.helpers as helpers
+from ivy_tests.test_ivy.helpers import handle_frontend_test
+
+
+@handle_frontend_test(
+    fn_tree="sklearn.datasets.make_circles",
+    n_samples=helpers.ints(min_value=1, max_value=10),
+)
+def test_sklearn_make_circles(
+    n_samples,
+    on_device,
+    fn_tree,
+    frontend,
+    test_flags,
+    backend_fw,
+):
+    helpers.test_frontend_function(
+        n_samples=n_samples,
+        input_dtypes=["int32"],
+        backend_to_test=backend_fw,
+        test_flags=test_flags,
+        fn_tree=fn_tree,
+        frontend=frontend,
+        on_device=on_device,
+        test_values=False,
+    )