expose bondPrinLoss/bondIntLoss in stop

Author: yellowbean

absbox/rootFinder.py

@@ -18,6 +18,10 @@ def mkStop(x):
     match x:
         case ("bondIncurLoss", bn):
             return mkTag(("BondIncurLoss", vStr(bn)))
+        case ("bondIncurPrinLoss", bn, amt):
+            return mkTag(("BondIncurPrinLoss", [vStr(bn), amt]))
+        case ("bondIncurIntLoss", bn, amt):
+            return mkTag(("BondIncurIntLoss", [vStr(bn), amt]))
         case ("bondPricingEqOriginBal", bn, f1, f2):
             return mkTag(("BondPricingEqOriginBal", [vStr(bn), f1, f2] ))
         case ("bondMetTargetIrr", bn, irr):

docs/source/analytics.rst

@@ -2251,11 +2251,24 @@ Stop Condition
 """""""""""""""""""""
 
 Bond Incur Loss
-  The search stop when a bond incur a loss of 0.01
+  The search stop when a bond incur a loss of 0.01 (outstanding bond principal or interest due amount)
   
   syntax
     ``("bondIncurLoss", <bondName>)``
 
+Bond Principal Incur Loss
+  The search stop when a bond incur a loss of ``threshold`` on principal amount.
+  
+  syntax
+    ``("bondIncurPrinLoss", <bondName>, <threshold>)``
+
+Bond Interest Incur Loss
+  The search stop when a bond incur a loss of ``threshold`` on interest due amount.
+  
+  syntax
+    ``("bondIncurIntLoss", <bondName>, <threshold>)``
+
+
 Bond Pricing Equals to Face
   The search stop when a bond pricing equals to face value.