Initial commit

_simulations/event.py

@@ -0,0 +1,27 @@
+import bisect
+import random
+
+class Event:
+    def __init__(self, dist, parent=None, daughter=None):
+        self.parent = parent
+        self.daughter = daughter
+
+        if not parent == daughter == None:
+            self.name = f'{parent.name} => {daughter.name}'
+        
+        self.event_time = self.generate_event_time(dist.cdf, dist.time_range)
+    
+    def generate_event_time(self, cdf, time_range):
+        d_bin = time_range[1] - time_range[0] # define discrete bin
+        r = random.random()
+        i = bisect.bisect_left(cdf, r) # from the left, find the nearest value to r in the CDF
+            
+        if i:
+            pass
+        else:
+            i = 0
+
+        t = time_range[i]
+        t += random.random() * d_bin # this avoids issues with the discretization selection (for continuum quantities)
+
+        return t