From 692fcbc41a45f658751f017541dfb2a3be0862d1 Mon Sep 17 00:00:00 2001
From: Eryn Wells <eryn@erynwells.me>
Date: Mon, 26 Mar 2018 21:32:38 -0400
Subject: [PATCH] Add domain.py to signal package

---
 signal/domain.py | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 signal/domain.py

diff --git a/signal/domain.py b/signal/domain.py
new file mode 100644
index 0000000..d77128b
--- /dev/null
+++ b/signal/domain.py
@@ -0,0 +1,30 @@
+
+import numpy as np
+
+__default_time = 2.0
+__default_steps = 200
+
+class Time:
+    __DefaultTime = 2.0
+    __DefaultSteps = 200
+
+    def __init__(self, sec=Time.__DefaultTime, samples=Time.__DefaultSteps):
+        self.sec = sec
+        self.samples = samples
+        self._domain = None
+
+    @property
+    def domain(self):
+        if self._domain == None:
+            self._domain = np.linspace(0, self.sec, num=self.samples + 1)
+        return self._domain
+
+    @property
+    def rate(self):
+        '''Number of samples per second.'''
+        return self.samples / self.sec
+
+    @property
+    def interval(self):
+        '''Amount of time between samples, in seconds.'''
+        return self.sec / self.samples