Small tweaks.

vpipkt · vpipkt · commit 9b2f8c206cc1 · 2019-03-13T13:45:54.000-04:00
Signed-off-by: Jason T. Brown &lt;jason@astraea.earth&gt;
diff --git a/core/src/main/scala/astraea/spark/rasterframes/RasterFunctions.scala b/core/src/main/scala/astraea/spark/rasterframes/RasterFunctions.scala
@@ -334,6 +334,6 @@ trait RasterFunctions {
 
   /** Natural logarithm of one plus cell values. */
   def log1p(tileCol: Column): TypedColumn[Any, Tile] =
-    Log(local_add(tileCol, 1.))
+    Log(local_add(tileCol, 1.0))
 
 }
diff --git a/core/src/main/scala/astraea/spark/rasterframes/expressions/UnaryLocalRasterOp.scala b/core/src/main/scala/astraea/spark/rasterframes/expressions/UnaryLocalRasterOp.scala
@@ -31,7 +31,7 @@ import org.apache.spark.sql.catalyst.expressions.UnaryExpression
 import org.apache.spark.sql.rf.TileUDT
 import org.apache.spark.sql.types.DataType
 
-/** Operation combining two tiles or a tile and a scalar into a new tile. */
+/** Operation on a tile returning a tile. */
 trait UnaryLocalRasterOp extends UnaryExpression with LazyLogging {
 
   override def dataType: DataType = child.dataType

Original file line number	Diff line number	Diff line change
`@@ -334,6 +334,6 @@ trait RasterFunctions {`
`334`	`334`
`335`	`335`	`/** Natural logarithm of one plus cell values. */`
`336`	`336`	`def log1p(tileCol: Column): TypedColumn[Any, Tile] =`
`337`		`- Log(local_add(tileCol, 1.))`
	`337`	`+ Log(local_add(tileCol, 1.0))`
`338`	`338`
`339`	`339`	`}`