Reformulate syn-math

lib/datasets/__init__.py

@@ -3,11 +3,3 @@
 ##################################################
 from .get_dataset_with_transform import get_datasets, get_nas_search_loaders
 from .SearchDatasetWrap import SearchDataset
-
-from .math_base_funcs import QuadraticFunc, CubicFunc, QuarticFunc
-from .math_dynamic_funcs import DynamicQuadraticFunc, DynamicLinearFunc
-from .math_adv_funcs import ConstantFunc
-from .math_adv_funcs import ComposedSinFunc
-
-from .synthetic_utils import TimeStamp
-from .synthetic_env import SyntheticDEnv

lib/datasets/math_core.py

@@ -0,0 +1,8 @@
+#####################################################
+# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2021.05 #
+#####################################################
+from .math_base_funcs import QuadraticFunc, CubicFunc, QuarticFunc
+from .math_dynamic_funcs import DynamicLinearFunc
+from .math_dynamic_funcs import DynamicQuadraticFunc
+from .math_adv_funcs import ConstantFunc
+from .math_adv_funcs import ComposedSinFunc

lib/datasets/synthetic_core.py

@@ -1,12 +1,25 @@
-import copy
+#####################################################
+# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2021.05 #
+#####################################################
+from .synthetic_utils import TimeStamp
 from .synthetic_env import SyntheticDEnv
+from .math_dynamic_funcs import DynamicLinearFunc
 from .math_dynamic_funcs import DynamicQuadraticFunc
 from .math_adv_funcs import ConstantFunc, ComposedSinFunc
 
 
-def get_synthetic_env(total_timestamp=1000, num_per_task=1000, mode=None):
-    mean_generator = ComposedSinFunc()
-    std_generator = ComposedSinFunc(min_amplitude=0.5, max_amplitude=1.5)
+__all__ = ["TimeStamp", "SyntheticDEnv", "get_synthetic_env"]
+
+
+def get_synthetic_env(total_timestamp=1000, num_per_task=1000, mode=None, version="v1"):
+    if version == "v1":
+        mean_generator = ConstantFunc(0)
+        std_generator = ConstantFunc(1)
+    elif version == "v2":
+        mean_generator = ComposedSinFunc()
+        std_generator = ComposedSinFunc(min_amplitude=0.5, max_amplitude=1.5)
+    else:
+        raise ValueError("Unknown version: {:}".format(version))
     dynamic_env = SyntheticDEnv(
         [mean_generator],
         [[std_generator]],
@@ -15,15 +28,27 @@ def get_synthetic_env(total_timestamp=1000, num_per_task=1000, mode=None):
             min_timestamp=-0.5, max_timestamp=1.5, num=total_timestamp, mode=mode
         ),
     )
-    function = DynamicQuadraticFunc()
-    function_param = dict()
-    function_param[0] = ComposedSinFunc(
-        num_sin_phase=4, phase_shift=1.0, max_amplitude=1.0
-    )
-    function_param[1] = ConstantFunc(constant=0.9)
-    function_param[2] = ComposedSinFunc(
-        num_sin_phase=5, phase_shift=0.4, max_amplitude=0.9
-    )
+    if version == "v1":
+        function = DynamicQuadraticFunc()
+        function_param = dict()
+        function_param[0] = ComposedSinFunc(
+            num_sin_phase=4, phase_shift=1.0, max_amplitude=1.0
+        )
+        function_param[1] = ConstantFunc(constant=0.9)
+        function_param[2] = ComposedSinFunc(
+            num_sin_phase=5, phase_shift=0.4, max_amplitude=0.9
+        )
+    elif version == "v2":
+        function = DynamicLinearFunc()
+        function_param = dict()
+        function_param[0] = ComposedSinFunc(
+            amplitude_scale=ConstantFunc(1.0), period_phase_shift=ConstantFunc(1.0)
+        )
+        function_param[1] = ConstantFunc(constant=0.9)
+    else:
+        raise ValueError("Unknown version: {:}".format(version))
+
     function.set(function_param)
-    dynamic_env.set_oracle_map(copy.deepcopy(function))
+    # dynamic_env.set_oracle_map(copy.deepcopy(function))
+    dynamic_env.set_oracle_map(function)
     return dynamic_env