From b1117af2d9167204585be3671ecabebadc1de1f5 Mon Sep 17 00:00:00 2001
From: Benjamin Chausse <benjamin@chausse.xyz>
Date: Sat, 24 Sep 2022 12:30:31 -0400
Subject: centralized formating header file

---
 README.md  | 16 ++++++++--------
 format.h   | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 testData.h |  2 +-
 3 files changed, 65 insertions(+), 9 deletions(-)
 create mode 100644 format.h

diff --git a/README.md b/README.md
index a2f6d57..1bdc876 100644
--- a/README.md
+++ b/README.md
@@ -5,14 +5,14 @@ programing as well as basic algorithms. The project requires that we (the
 students) create a C library which doesn't rely on third party libraries to do
 the following things:
 
-| Task                                  | filename    | Level    |
-| :------------------------------------ | :---------- | :------- |
-| Spot characters in a string           | `TODO`      | Easy     |
-| Identify words which are palindromes  | `TODO`      | Easy     |
-| Calculate sines (using series)        | `TODO`      | Medium   |
-| Calculate cosines (using series)      | `TODO`      | Medium   |
-| Matrix addition                       | `TODO`      | Hard*    |
-| Matrix multiplication                 | `TODO`      | Hard*    |
+| Task                                  | filename           | Level    |
+| :------------------------------------ | :----------------- | :------- |
+| Spot characters in a string           | `findChar.h`       | Easy     |
+| Identify words which are palindromes  | `findPalindrome.h` | Easy     |
+| Calculate sines (using series)        | `sine.h`           | Medium   |
+| Calculate cosines (using series)      | `cosine.h`         | Medium   |
+| Matrix addition                       | `TODO`             | Hard*    |
+| Matrix multiplication                 | `TODO`             | Hard*    |
 
 *This is the first programing APP. The word Hard is used very liberaly here.
 
diff --git a/format.h b/format.h
new file mode 100644
index 0000000..2f9c1b4
--- /dev/null
+++ b/format.h
@@ -0,0 +1,56 @@
+/* format.h
+ * ----------------------------------------------------------------------------
+ * 'THE BEER-WARE LICENSE' (Revision 42):
+ * <benjamin@chausse.xyz> wrote this file. As long as you retain this notice
+ * you can do whatever you want with this stuff. If we meet some day, and you
+ * think this stuff is worth it, you can buy me a beer in return.
+ * Benjamin Chausse
+ * ----------------------------------------------------------------------------
+ */
+
+#define TRUE 1
+#define FALSE 0
+#define COUNT_OF( arr) (sizeof(arr)/sizeof(0[arr]))
+
+// Conversion table between uppercase and lowercase
+const char caps[2][26] = {
+  {'A','B','C','D','E','F','G','H','I','J','K','L','M',
+    'N','O','P','Q','R','S','T','U','V','W','X','Y','Z'},
+  {'a','b','c','d','e','f','g','h','i','j','k','l','m',
+    'n','o','p','q','r','s','t','u','v','w','x','y','z'}
+};
+
+// Convert every character to lowercase
+char * lower(char *str){
+  int len = COUNT_OF(str);
+  for (int i=0; i<len; i++){
+    // Change all letters to lowercase
+    for (int j=0;j<26;j++){
+      if (str[i] == caps[0][j]) {
+        str[i] = caps[1][j];
+      }
+    }
+  }
+  return str;
+}
+
+char * trim(char *str){
+  // Count the total number of spaces to define the new str size
+  int spc =0;
+  for (int i=0; i<COUNT_OF(str); i++){
+    if (str[i] == ' '){
+      spc++;
+    }
+  }
+  // Actually format the new string
+  char nstr[COUNT_OF(str)-spc+1];
+  int j = 0; // index inside the new str (nstr)
+  for (int i=0; i<COUNT_OF(str); i++){
+    if (str[i] != ' '){
+      nstr[j] = str[i];
+      j++;
+    }
+  }
+  nstr[COUNT_OF(nstr)-1] = '\0';
+  return nstr;
+}
diff --git a/testData.h b/testData.h
index cfbd76d..9bf5e08 100644
--- a/testData.h
+++ b/testData.h
@@ -17,7 +17,7 @@
 //   - Trailing spaces         -> sis, heightened, minim
 //   - Spaces before the words -> sis, unholly, pop
 //   - Non latin alphabet (greek & russian)
-char *word[] = {
+char *wrd[] = {
   "abba", "betrothed", "deified", "elevation", "genesis", "kayak", "murdum",
   " pop", "relinquish", "stats", "thirst", "abhorrent", "accentuated",
   "agoraphobia", " aibohphobia", "anemia", "bIb", "bittersweet", "bob",
-- 
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