Merge branch 'master' into develop

Author: Martin Klang

LibSource/FloatArray.cpp

@@ -507,6 +507,15 @@ void FloatArray::ramp(float from, float to){
   }
 }
 
+void FloatArray::tanh(FloatArray destination){
+  for(size_t i=0; i<size; i++)
+    destination[i] = tanhf(data[i]);  
+}
+
+void FloatArray::tanh(){
+  tanh(*this);
+}
+
 FloatArray FloatArray::create(int size){
   FloatArray fa(new float[size], size);
   fa.clear();

LibSource/FloatArray.h

@@ -473,6 +473,16 @@ class FloatArray {
    * Create a linear ramp from one value to another across all values in the Float
    */
   void ramp(float from, float to);
+  
+  /**
+   * Apply tanh to each element in the array
+   */
+  void tanh(FloatArray destination);
+
+  /**
+   * In-place tanh
+   */
+  void tanh();
 
   /**
    * Creates a new FloatArray.