comparison data/model/SparseValueModel.h @ 257:46398ab6ff58

* OS/X build fixes

 #ifndef _SPARSE_VALUE_MODEL_H_
 #define _SPARSE_VALUE_MODEL_H_
 
 #include "SparseModel.h"
 #include "base/UnitDatabase.h"
+
+#include <cmath>
 
 /**
  * Model containing sparse data (points with some properties) of which
  * one of the properties is an arbitrary float value.  The other
  * properties depend on the point type.

 
     virtual void addPoint(const PointType &point)
     {
 	bool allChange = false;
 
-        if (!isnan(point.value) && !isinf(point.value)) {
+        if (!std::isnan(point.value) && !std::isinf(point.value)) {
             if (!m_haveExtents || point.value < m_valueMinimum) {
                 m_valueMinimum = point.value; allChange = true;
             }
             if (!m_haveExtents || point.value > m_valueMaximum) {
                 m_valueMaximum = point.value; allChange = true;