install/uninstall options

.gitignore

@@ -53,3 +53,4 @@ dkms.conf
 
 # quadratic executable
 quadratic
+quadratic-tui

README.md

@@ -1,5 +1,3 @@
 # quadratic
 
 Simple cli calculator that computes real and complex roots of a quadratic.
-<br>
-Make a project do one thing good rather than do alot that isn't. I learned from my past projects and the best way to code is to KISS.

makefile

@@ -1,2 +1,12 @@
+DESTDIR ?= /usr/bin
+
 all:
 	gcc quadratic.c -lm -Wall -O3 -o "quadratic"
+	cp quadratic-tui.sh quadratic-tui
+
+install:
+	install -Dm755 quadratic $(DESTDIR)/
+	install -Dm755 quadratic-tui $(DESTDIR)/
+
+uninstall:
+	rm -f $(DESTDIR)/{quadratic,quadratic-tui}

quadratic-tui.sh

@@ -4,7 +4,7 @@ ARG_A=$(whiptail --inputbox "Please enter the value for \"a\":" 10 50 --title "Q
                                                                         
 exitstatus=$?
 if [  $exitstatus != 0 ]; then
-echo "User canceled input."
+echo "User cancelled input."
 exit
 fi
 
@@ -12,7 +12,7 @@ ARG_B=$(whiptail --inputbox "Please enter the value for \"b\":" 10 50 --title "Q
                                                                         
 exitstatus=$?
 if [  $exitstatus != 0 ]; then
-echo "User canceled input."
+echo "User cancelled input."
 exit
 fi
 
@@ -20,7 +20,7 @@ ARG_C=$(whiptail --inputbox "Please enter the value for \"c\":" 10 50 --title "Q
                                                                         
 exitstatus=$?
 if [  $exitstatus != 0 ]; then
-echo "User canceled input."
+echo "User cancelled input."
 exit
 fi
 

quadratic.c

@@ -9,7 +9,7 @@ int main(int num_arg, char **args)
 
     if (num_arg <= 1)
     {
-        system("/bin/sh /home/linux/Documents/Projects/quadratic/quadratic-tui"); //! need a better solution
+        system("quadratic-tui"); // make sure it is in PATH along with "quadratic" bin
     }
     else
     {
@@ -25,7 +25,7 @@ int main(int num_arg, char **args)
             double real_part = (-num_B) / (2 * num_A);
             double imaginary_part = sqrt(radical * -1.0) / (2 * num_A);
 
-            printf("%f+%fi %f-%fi\n", real_part, imaginary_part, real_part, imaginary_part);
+            printf("%g+%gi\t %g-%gi\n", real_part, imaginary_part, real_part, imaginary_part);
         }
         else
         {
@@ -35,7 +35,7 @@ int main(int num_arg, char **args)
             double zero_1_ptr = numerator_1 / (2 * num_A);
             double zero_2_ptr = numerator_2 / (2 * num_A);
 
-            printf("%f %f\n", zero_1_ptr, zero_2_ptr);
+            printf("%g\t %g\n", zero_1_ptr, zero_2_ptr);
         };
     };
     return 0;