replace exp10 by pow on mac (#3490)

Gustry · wonder-sk · commit da8fc0228755 · 2016-09-15T00:33:19.000+08:00
diff --git a/src/providers/wms/qgswmsprovider.cpp b/src/providers/wms/qgswmsprovider.cpp
@@ -506,7 +506,7 @@ QImage *QgsWmsProvider::draw( QgsRectangle const &viewExtent, int pixelWidth, in
 static bool _fuzzyContainsRect( const QRectF& r1, const QRectF& r2 )
 {
   double significantDigits = log10( qMax( r1.width(), r1.height() ) );
-  double epsilon = exp10( significantDigits - 5 ); // floats have 6-9 significant digits
+  double epsilon = pow( 10, ( significantDigits - 5 ) ); // floats have 6-9 significant digits
   return r1.contains( r2.adjusted( epsilon, epsilon, -epsilon, -epsilon ) );
 }
 

Original file line number	Diff line number	Diff line change
`@@ -506,7 +506,7 @@ QImage *QgsWmsProvider::draw( QgsRectangle const &viewExtent, int pixelWidth, in`
`506`	`506`	`static bool _fuzzyContainsRect( const QRectF& r1, const QRectF& r2 )`
`507`	`507`	`{`
`508`	`508`	`double significantDigits = log10( qMax( r1.width(), r1.height() ) );`
`509`		`- double epsilon = exp10( significantDigits - 5 ); // floats have 6-9 significant digits`
	`509`	`+ double epsilon = pow( 10, ( significantDigits - 5 ) ); // floats have 6-9 significant digits`
`510`	`510`	`return r1.contains( r2.adjusted( epsilon, epsilon, -epsilon, -epsilon ) );`
`511`	`511`	`}`
`512`	`512`