From 245d10c5c1049db8038a756b4e7812fdcdcee0fc Mon Sep 17 00:00:00 2001
From: Magne Sjaastad <magne.sjaastad@ceetronsolutions.com>
Date: Fri, 19 Jan 2018 16:55:16 +0100
Subject: [PATCH] Fix compiler warnings related to converting time_t to double

---
 .../ReservoirDataModel/RigTimeHistoryCurveMerger.cpp          | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ApplicationCode/ReservoirDataModel/RigTimeHistoryCurveMerger.cpp b/ApplicationCode/ReservoirDataModel/RigTimeHistoryCurveMerger.cpp
index 37e88709d4..19d7b4634d 100644
--- a/ApplicationCode/ReservoirDataModel/RigTimeHistoryCurveMerger.cpp
+++ b/ApplicationCode/ReservoirDataModel/RigTimeHistoryCurveMerger.cpp
@@ -196,8 +196,8 @@ double RigTimeHistoryCurveMerger::interpolationValue(const time_t& interpolation
             bool isSecondValid = RigCurveDataTools::isValidValue(secondValue, removeInterpolatedValues);
             if (!isSecondValid) return HUGE_VAL;
 
-            double firstDiff = interpolationTimeStep - curveTimeSteps.at(firstI);
-            double secondDiff = curveTimeSteps.at(secondI) - interpolationTimeStep;
+            double firstDiff = fabs(difftime(interpolationTimeStep, curveTimeSteps.at(firstI)));
+            double secondDiff = fabs(difftime(curveTimeSteps.at(secondI), interpolationTimeStep));
 
             double firstWeight = secondDiff / (firstDiff + secondDiff);
             double secondWeight = firstDiff / (firstDiff + secondDiff);