Move to xautodl

xautodl/datasets/synthetic_core.py

@@ -0,0 +1,58 @@
+#####################################################
+# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2021.05 #
+#####################################################
+from .synthetic_utils import TimeStamp
+from .synthetic_env import EnvSampler
+from .synthetic_env import SyntheticDEnv
+from .math_core import LinearFunc
+from .math_core import DynamicLinearFunc
+from .math_core import DynamicQuadraticFunc
+from .math_core import ConstantFunc, ComposedSinFunc
+
+
+__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]],
+        num_per_task=num_per_task,
+        timestamp_config=dict(
+            min_timestamp=-0.5, max_timestamp=1.5, num=total_timestamp, mode=mode
+        ),
+    )
+    if version == "v1":
+        function = DynamicLinearFunc()
+        function_param = dict()
+        function_param[0] = ComposedSinFunc(
+            amplitude_scale=ConstantFunc(3.0),
+            num_sin_phase=9,
+            sin_speed_use_power=False,
+        )
+        function_param[1] = ConstantFunc(constant=0.9)
+    elif version == "v2":
+        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
+        )
+    else:
+        raise ValueError("Unknown version: {:}".format(version))
+
+    function.set(function_param)
+    # dynamic_env.set_oracle_map(copy.deepcopy(function))
+    dynamic_env.set_oracle_map(function)
+    return dynamic_env