add save support to matrices

1 files changed, 8 insertions, 10 deletions

diff --git a/src/main/scala/scalam/package.scala b/src/main/scala/scalam/package.scala
index b8de338..0e57acc 100644
--- a/src/main/scala/scalam/package.scala
+++ b/src/main/scala/scalam/package.scala
@@ -34,25 +34,23 @@ package object scalam extends LowPriorityImplicits {
       val separator = "\\s|,"
       val elements: Array[Array[String]] = lines.map(_.split(separator))
       require(elements.forall(_.length == elements(0).length), "Cannot load non-rectangular matrix. Check your data file.")
-      
+
       val linear = elements.transpose.flatten
       new DenseMatrix(elements.length, linear.map(converter(_)))
     }
   }
-  
+
   implicit def intDenseIsLoadable = denseMatrixIsLoadable[Int](_.toInt)
   implicit def doubleDenseIsLoadable = denseMatrixIsLoadable[Double](_.toDouble)
   implicit def floatDenseIsLoadable = denseMatrixIsLoadable[Float](_.toFloat)
   implicit def byteDenseIsLoadable = denseMatrixIsLoadable[Byte](_.toByte)
   implicit def longDenseIsLoadable = denseMatrixIsLoadable[Long](_.toLong)
   implicit def booleanDenseIsLoadable = denseMatrixIsLoadable[Boolean](_.toBoolean)
-  
- /* implicit val string2Int: (String => Int) = (x: String) => x.toInt
-  implicit val string2Double: (String => Double) = (x: String) => x.toDouble
-  implicit val string2Char: (String => Char) = (x: String) => x.toChar*/
-  
-  //implicit val cv = (d: String) => d.toDouble
-  
-  //val m = scalam.io.load[DenseMatrix[Double]](scalax.file.Path(""))
+
+  implicit def denseMatrixIsSaveable = (m: DenseMatrix[_]) => new Saveable {
+    def save(out: scalax.io.Output) = {
+      for (i <- 0 until m.rows) m(i, ::).valuesIterator.mkString("", " ", "\n")
+    }
+  }
 
 }
\ No newline at end of file