fix bug in zshape and sshape FMs code generation (#39)

Author: lucaferranti

Project.toml

@@ -1,7 +1,7 @@
 name = "FuzzyLogic"
 uuid = "271df9f8-4390-4196-9d4f-bdd0b67035b3"
 authors = ["Luca Ferranti"]
-version = "0.1.2"
+version = "0.1.3"
 
 [deps]
 Dictionaries = "85a47980-9c8c-11e8-2b9f-f7ca1fa99fb4"

docs/src/changelog.md

@@ -4,6 +4,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## Unreleased
 
+- ![](https://img.shields.io/badge/bugfix-purple.svg) fix bug in Julia code generation of ZShape and SShape mf
 - ![](https://img.shields.io/badge/bugfix-purple.svg) disallow implicit conversion from interval to float
 - ![](https://img.shields.io/badge/new%20feature-green.svg) added semi-elliptic and singleton membership functions
 - ![](https://img.shields.io/badge/new%20feature-green.svg) added `gensurf` to plot generating surface

src/tojulia.jl

@@ -160,7 +160,7 @@ end
 
 function to_expr(s::SShapeMF, x = :x)
     :(if $x <= $(s.a)
-          zero(float($(typeof(x))))
+          zero(float(typeof($x)))
       elseif $x >= $(s.b)
           one(float(typeof($x)))
       elseif $x >= $((s.a + s.b) / 2)
@@ -172,7 +172,7 @@ end
 
 function to_expr(mf::ZShapeMF, x = :x)
     :(if $x <= $(mf.a)
-          one(float($(typeof(x))))
+          one(float(typeof($x)))
       elseif $x >= $(mf.b)
           zero(float(typeof($x)))
       elseif $x >= $((mf.a + mf.b) / 2)