From b015d1e2fb5b3f3f537f2d76b610667b90cc0c89 Mon Sep 17 00:00:00 2001
From: Mike Purvis <mpurvis@clearpathrobotics.com>
Date: Fri, 15 Jul 2016 23:06:41 -0400
Subject: [PATCH] Use std::isnan/isinf, for C++11 compatibility.

---
 include/open_karto/Karto.h | 4 ++--
 src/Mapper.cpp             | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/open_karto/Karto.h b/include/open_karto/Karto.h
index cdd8fce..4c45c54 100644
--- a/include/open_karto/Karto.h
+++ b/include/open_karto/Karto.h
@@ -5855,7 +5855,7 @@ namespace karto
         kt_double rangeReading = pScan->GetRangeReadings()[pointIndex];
         kt_bool isEndPointValid = rangeReading < (rangeThreshold - KT_TOLERANCE);
 
-        if (rangeReading <= minRange || rangeReading >= maxRange || isnan(rangeReading))
+        if (rangeReading <= minRange || rangeReading >= maxRange || std::isnan(rangeReading))
         {
           // ignore these readings
           pointIndex++;
@@ -6466,7 +6466,7 @@ namespace karto
       {
         const Vector2<kt_double>& rPosition = iter->GetPosition();
 
-        if (isnan(pScan->GetRangeReadings()[readingIndex]) || isinf(pScan->GetRangeReadings()[readingIndex]))
+        if (std::isnan(pScan->GetRangeReadings()[readingIndex]) || std::isinf(pScan->GetRangeReadings()[readingIndex]))
         {
           pAngleIndexPointer[readingIndex] = INVALID_SCAN;
           readingIndex++;
diff --git a/src/Mapper.cpp b/src/Mapper.cpp
index efefaaf..db0c67b 100644
--- a/src/Mapper.cpp
+++ b/src/Mapper.cpp
@@ -929,7 +929,7 @@ namespace karto
     {
       Vector2<kt_double> currentPoint = *iter;
 
-      if (firstTime && !isnan(currentPoint.GetX()) && !isnan(currentPoint.GetY()))
+      if (firstTime && !std::isnan(currentPoint.GetX()) && !std::isnan(currentPoint.GetY()))
       {
         firstPoint = currentPoint;
         firstTime = false;