From 6593dcb31600239f96a93f330ba18a1253210705 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A9r=C3=B4me=20Benoit?= <jerome.benoit@sap.com>
Date: Wed, 13 Aug 2025 17:54:56 +0200
Subject: [PATCH] fix: properly handle divide by zero in electric utils
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Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
---
 src/utils/ElectricUtils.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/utils/ElectricUtils.ts b/src/utils/ElectricUtils.ts
index 923c6849..6c3d7103 100644
--- a/src/utils/ElectricUtils.ts
+++ b/src/utils/ElectricUtils.ts
@@ -14,6 +14,9 @@ export class ACElectricUtils {
   }
 
   static amperagePerPhaseFromPower (nbOfPhases: number, P: number, V: number, cosPhi = 1): number {
+    if (nbOfPhases <= 0) {
+      return 0
+    }
     const amperage = ACElectricUtils.amperageTotalFromPower(P, V, cosPhi)
     const amperagePerPhase = amperage / nbOfPhases
     if (amperage % nbOfPhases === 0) {
@@ -27,6 +30,9 @@ export class ACElectricUtils {
   }
 
   static amperageTotalFromPower (P: number, V: number, cosPhi = 1): number {
+    if (V === 0 || cosPhi === 0) {
+      return 0
+    }
     const amperage = P / (V * cosPhi)
     if (cosPhi === 1 && P % V === 0) {
       return amperage
@@ -57,6 +63,9 @@ export class DCElectricUtils {
   }
 
   static amperage (P: number, V: number): number {
+    if (V === 0) {
+      return 0
+    }
     const amperage = P / V
     if (P % V === 0) {
       return amperage
-- 
2.43.0