refactor math blocks to use descriptive connector names for Power and Modulo; update tests accordingly

Author: shobhitvoleti

src/Blocks/math.jl

@@ -215,18 +215,18 @@ Output the exponential with base as the first input and exponent as second input
 
 # Connectors:
 
-  - `input1`
-  - `input2`
+  - `base`
+  - `exponent`
   - `output`
 """
 @mtkmodel Power begin
     @components begin
-        input1 = RealInput()
-        input2 = RealInput() # denominator can not be zero
+        base = RealInput()
+        exponent = RealInput()
         output = RealOutput()
     end
     @equations begin
-        output.u ~ input1.u ^ input2.u
+        output.u ~ base.u ^ exponent.u
     end
 end
 
@@ -237,18 +237,18 @@ Output the remainder when the first input is divided by second input.
 
 # Connectors:
 
-  - `input1`
-  - `input2`
-  - `output`
+  - `dividend`
+  - `divisor`
+  - `remainder`
 """
 @mtkmodel Modulo begin
     @components begin
-        input1 = RealInput()
-        input2 = RealInput(guess = 1.0) # denominator can not be zero
-        output = RealOutput()
+        dividend = RealInput()
+        divisor = RealInput(guess = 1.0) # denominator can not be zero
+        remainder = RealOutput()
     end
     @equations begin
-        output.u ~ mod(input1.u, input2.u)
+        remainder.u ~ mod(dividend.u, divisor.u)
     end
 end
 
@@ -272,7 +272,6 @@ Output the product of -1 and the input.
     end
 end
 
-## Rounding functions add after the symbolic functions are registered
 """
     Floor(; name)
 
@@ -313,7 +312,6 @@ Output the ceiling rounding of the input.
     end
 end
 
-
 """
     StaticNonLinearity(func; name)
 

test/Blocks/math.jl

@@ -164,8 +164,8 @@ end
     @named int = Integrator(; k = 1)
     @named model = ODESystem(
         [
-            connect(c1.output, pow.input1),
-            connect(c2.output, pow.input2),
+            connect(c1.output, pow.base),
+            connect(c2.output, pow.exponent),
             connect(pow.output, int.input)
         ],
         t,
@@ -184,8 +184,8 @@ end
     @named modl = Modulo(;)
     @named model = ODESystem(
         [
-            connect(c1.output, modl.input1),
-            connect(c2.output, modl.input2)
+            connect(c1.output, modl.dividend),
+            connect(c2.output, modl.divisor)
         ],
         t,
         systems = [modl, c1, c2])
@@ -194,7 +194,7 @@ end
     sol = solve(prob, Rodas4())
     @test isequal(unbound_inputs(sys), [])
     @test sol.retcode == Success
-    @test sol[modl.output.u] ≈ mod.(2 * sol.t,1)
+    @test sol[modl.remainder.u] ≈ mod.(2 * sol.t,1)
 end
 
 @testset "UnaryMinus" begin