Refactor Scale::compute_scaling_from for more clarity

docs/ref/coremaths/scale.md

@@ -142,12 +142,12 @@ s.output_range.max = 5;
 s.compute_scaling (-10, 10);
 ```
 
-You can also trigger the computation of the scaling function if you have a container of data by using `compute_scaling_from`, which is the function that is automatically called by `transform` when `do_autoscale` is `true`.
+You can also trigger the computation of the scaling function if you have a container of data by using `compute_scaling_from_data`, which is the function that is automatically called by `transform` when `do_autoscale` is `true`.
 
 ```c++
 morph::Scale<int, float> s;
 std::vector<int> input_data = { 1, 2, 3, 6, 100 };
-s.compute_scaling_from (input_data);
+s.compute_scaling_from_data (input_data);
 ```
 
 ### Logarithmic scaling

examples/scale.cpp

@@ -45,7 +45,7 @@ int main()
     }
 
     // If you need to reset the scaling in s (our Scale object), then you can do this:
-    s.compute_scaling_from (vf2); // will immediately compute the scaling function from the container of values vf2.
+    s.compute_scaling_from_data (vf2); // will immediately compute the scaling function from the container of values vf2.
 
     // OR you can do this, which forces automatic scaling when s.transform() is next
     // called (as long as s.do_autoscale is true).

morph/Scale.h

@@ -157,7 +157,7 @@ namespace morph {
                 throw std::runtime_error ("ScaleImplBase::transform(): Ensure data.size()==output.size()");
             }
             if (this->do_autoscale == true && !this->ready()) {
-                this->compute_scaling_from<Container> (data); // not const
+                this->compute_scaling_from_data<Container> (data); // not const
             } else if (this->do_autoscale == false && !this->ready()) {
                 throw std::runtime_error ("ScaleImplBase::transform(): Params are not set and do_autoscale is set false. Can't transform.");
             }
@@ -221,7 +221,7 @@ namespace morph {
          */
         template <typename Container>
         std::enable_if_t<morph::is_copyable_container<Container>::value, void>
-        compute_scaling_from (const Container& data)
+        compute_scaling_from_data (const Container& data)
         {
             morph::range<typename Container::value_type> mm = MathAlgo::maxmin (data);
             this->compute_scaling (mm.min, mm.max);