diff --git a/src/parser.c b/src/parser.c
index 177f84df38977b7823c8541af396b0d0c3f91f8f..06dc819842d54d952704e4e0c40ebec5b561f691 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -36,31 +36,31 @@ static int count_char(char *str, char val);
 static void parse_line(FILE *fp, struct swift_params *params);
 
 /**
- * @brief Reads an input file and stores each parameter in a structure.  
- * 
+ * @brief Reads an input file and stores each parameter in a structure.
+ *
  * @param file_name Name of file to be read
  * @param params Structure to be populated from file
  */
 
 void parser_read_file(const char *file_name, struct swift_params *params) {
- 
-    FILE *fp;
-    
-    params->count = 0;
-
-    /* Open file for reading */
-    fp = fopen(file_name, "r");
-    
-    if(fp == NULL) {
-      error("Error opening parameter file: %s",file_name);
-    }
-  
-    /* Read until the end of the file is reached.*/
-    while(!feof(fp)) {
-      parse_line(fp,params); 
-    }
 
-    fclose(fp);
+  FILE *fp;
+
+  params->count = 0;
+
+  /* Open file for reading */
+  fp = fopen(file_name, "r");
+
+  if (fp == NULL) {
+    error("Error opening parameter file: %s", file_name);
+  }
+
+  /* Read until the end of the file is reached.*/
+  while (!feof(fp)) {
+    parse_line(fp, params);
+  }
+
+  fclose(fp);
 }
 
 /**
@@ -72,57 +72,56 @@ void parser_read_file(const char *file_name, struct swift_params *params) {
 
 static int count_char(char *str, char val) {
 
-    int count = 0;
+  int count = 0;
 
-    /* Check if the line contains the character */
-    while(*str) {
-        if (*str++ == val) ++count;
-    }
+  /* Check if the line contains the character */
+  while (*str) {
+    if (*str++ == val) ++count;
+  }
 
-    return count;
+  return count;
 }
 
-/** 
+/**
  * @brief Parses a line from a file and stores any parameters in a structure.
  *
  * @param fp File pointer to file to be read
  * @param params Structure to be populated from file
- * 
+ *
  */
 
 static void parse_line(FILE *fp, struct swift_params *params) {
 
-    char line [PARSER_MAX_LINE_SIZE];
-    char trim_line [PARSER_MAX_LINE_SIZE];
-
-    /* Read a line of the file */
-    if(fgets(line,PARSER_MAX_LINE_SIZE,fp) != NULL) {
-        
-        char *token;
-        /* Remove comments */
-        token = strtok(line,PARSER_COMMENT_CHAR);
-        strcpy(trim_line,token);
-        
-        /* Check if the line contains a value */
-        if(strchr(trim_line,PARSER_VALUE_CHAR)) {
-          /* Check for more than one parameter on the same line. */
-          if(count_char(trim_line,PARSER_VALUE_CHAR) > 1) { 
-            error("Found more than one parameter in '%s', only one allowed.",line);
-          }
-          else { 
-            /* Take first token as the parameter name. */
-            token = strtok(trim_line,PARSER_VALUE_STRING);
-            strcpy(params->data[params->count].name,token);
-            
-            /* Take second token as the parameter value. */
-            token = strtok (NULL, " #\n");
-            strcpy(params->data[params->count++].value,token);
-          }
-        }
+  char line[PARSER_MAX_LINE_SIZE];
+  char trim_line[PARSER_MAX_LINE_SIZE];
+
+  /* Read a line of the file */
+  if (fgets(line, PARSER_MAX_LINE_SIZE, fp) != NULL) {
+
+    char *token;
+    /* Remove comments */
+    token = strtok(line, PARSER_COMMENT_CHAR);
+    strcpy(trim_line, token);
+
+    /* Check if the line contains a value */
+    if (strchr(trim_line, PARSER_VALUE_CHAR)) {
+      /* Check for more than one parameter on the same line. */
+      if (count_char(trim_line, PARSER_VALUE_CHAR) > 1) {
+        error("Found more than one parameter in '%s', only one allowed.", line);
+      } else {
+        /* Take first token as the parameter name. */
+        token = strtok(trim_line, PARSER_VALUE_STRING);
+        strcpy(params->data[params->count].name, token);
+
+        /* Take second token as the parameter value. */
+        token = strtok(NULL, " #\n");
+        strcpy(params->data[params->count++].value, token);
+      }
     }
+  }
 }
 
-/** 
+/**
  * @brief Retrieve integer parameter from structure.
  *
  * @param params Structure that holds the parameters
@@ -131,28 +130,32 @@ static void parse_line(FILE *fp, struct swift_params *params) {
  *
  */
 
-void parser_get_param_int(struct swift_params *params, char * name, int * retParam) {
-  
-   char str [128];
+void parser_get_param_int(struct swift_params *params, char *name,
+                          int *retParam) {
+
+  char str[128];
 
-   for(int i=0; i<params->count; i++) {
+  for (int i = 0; i < params->count; i++) {
 
-     /*strcmp returns 0 if both strings are the same.*/
-     if(!strcmp(name,params->data[i].name)) {
-         
-         /* Check that exactly one number is parsed. */
-         if(sscanf(params->data[i].value,"%d%s",retParam,str) != 1) {
-           error("Tried parsing int '%s' but found '%s' with illegal integer characters '%s'.",params->data[i].name,params->data[i].value,str);       
-         }
+    /*strcmp returns 0 if both strings are the same.*/
+    if (!strcmp(name, params->data[i].name)) {
 
-         return;
-     }
-   }
+      /* Check that exactly one number is parsed. */
+      if (sscanf(params->data[i].value, "%d%s", retParam, str) != 1) {
+        error(
+            "Tried parsing int '%s' but found '%s' with illegal integer "
+            "characters '%s'.",
+            params->data[i].name, params->data[i].value, str);
+      }
+
+      return;
+    }
+  }
 
-   message("Cannot find '%s' in the structure.",name);
+  message("Cannot find '%s' in the structure.", name);
 }
 
-/** 
+/**
  * @brief Retrieve float parameter from structure.
  *
  * @param params Structure that holds the parameters
@@ -161,29 +164,32 @@ void parser_get_param_int(struct swift_params *params, char * name, int * retPar
  *
  */
 
-void parser_get_param_float(struct swift_params *params, char * name, float * retParam) {
-  
-   char str [128];
-   
-   for(int i=0; i<params->count; i++) {
-
-     /*strcmp returns 0 if both strings are the same.*/
-     if(!strcmp(name,params->data[i].name)) {
-       
-       /* Check that exactly one number is parsed. */
-       if(sscanf(params->data[i].value,"%f%s",retParam,str) != 1) {
-            error("Tried parsing float '%s' but found '%s' with illegal float characters '%s'.",params->data[i].name,params->data[i].value,str);       
-       }
-
-       return;
-     }
-   }
-
-   message("Cannot find '%s' in the structure.",name);
-}
+void parser_get_param_float(struct swift_params *params, char *name,
+                            float *retParam) {
+
+  char str[128];
+
+  for (int i = 0; i < params->count; i++) {
 
+    /*strcmp returns 0 if both strings are the same.*/
+    if (!strcmp(name, params->data[i].name)) {
 
-/** 
+      /* Check that exactly one number is parsed. */
+      if (sscanf(params->data[i].value, "%f%s", retParam, str) != 1) {
+        error(
+            "Tried parsing float '%s' but found '%s' with illegal float "
+            "characters '%s'.",
+            params->data[i].name, params->data[i].value, str);
+      }
+
+      return;
+    }
+  }
+
+  message("Cannot find '%s' in the structure.", name);
+}
+
+/**
  * @brief Retrieve double parameter from structure.
  *
  * @param params Structure that holds the parameters
@@ -192,28 +198,32 @@ void parser_get_param_float(struct swift_params *params, char * name, float * re
  *
  */
 
-void parser_get_param_double(struct swift_params *params, char * name, double * retParam) {
-  
-   char str [128];
-   
-   for(int i=0; i<params->count; i++) {
-
-     /*strcmp returns 0 if both strings are the same.*/
-     if(!strcmp(name,params->data[i].name)) {
-         
-       /* Check that exactly one number is parsed. */
-       if(sscanf(params->data[i].value,"%lf",retParam) != 1) {
-            error("Tried parsing double '%s' but found '%s' with illegal double characters '%s'.",params->data[i].name,params->data[i].value,str);       
-       }
-       
-       return;
-     }
-   }
-
-   message("Cannot find '%s' in the structure.",name);
+void parser_get_param_double(struct swift_params *params, char *name,
+                             double *retParam) {
+
+  char str[128];
+
+  for (int i = 0; i < params->count; i++) {
+
+    /*strcmp returns 0 if both strings are the same.*/
+    if (!strcmp(name, params->data[i].name)) {
+
+      /* Check that exactly one number is parsed. */
+      if (sscanf(params->data[i].value, "%lf", retParam) != 1) {
+        error(
+            "Tried parsing double '%s' but found '%s' with illegal double "
+            "characters '%s'.",
+            params->data[i].name, params->data[i].value, str);
+      }
+
+      return;
+    }
+  }
+
+  message("Cannot find '%s' in the structure.", name);
 }
 
-/** 
+/**
  * @brief Retrieve string parameter from structure.
  *
  * @param params Structure that holds the parameters
@@ -222,19 +232,20 @@ void parser_get_param_double(struct swift_params *params, char * name, double *
  *
  */
 
-void parser_get_param_string(struct swift_params *params, char * name, char * retParam) {
-  
-   for(int i=0; i<params->count; i++) {
+void parser_get_param_string(struct swift_params *params, char *name,
+                             char *retParam) {
 
-     /*strcmp returns 0 if both strings are the same.*/
-     if(!strcmp(name,params->data[i].name)) {
-       strcpy(retParam, params->data[i].value);       
-       return;
-     }
-   }
+  for (int i = 0; i < params->count; i++) {
+
+    /*strcmp returns 0 if both strings are the same.*/
+    if (!strcmp(name, params->data[i].name)) {
+      strcpy(retParam, params->data[i].value);
+      return;
+    }
+  }
 }
 
-/** 
+/**
  * @brief Prints the contents of the parameter structure.
  *
  * @param params Structure that holds the parameters
@@ -243,13 +254,12 @@ void parser_get_param_string(struct swift_params *params, char * name, char * re
 
 void parser_print_params(struct swift_params *params) {
 
-    printf("\n--------------------------\n");
-    printf("|  SWIFT Parameter File  |\n");
-    printf("--------------------------\n");
-    
-    for(int i=0; i<params->count; i++) {
-        printf("Parameter name: %s\n",params->data[i].name);
-        printf("Parameter value: %s\n",params->data[i].value);
-    }
+  printf("\n--------------------------\n");
+  printf("|  SWIFT Parameter File  |\n");
+  printf("--------------------------\n");
 
+  for (int i = 0; i < params->count; i++) {
+    printf("Parameter name: %s\n", params->data[i].name);
+    printf("Parameter value: %s\n", params->data[i].value);
+  }
 }
diff --git a/src/parser.h b/src/parser.h
index b4b50dddb4c7c807b034c4fd9c86035f275afa75..2fb4148944cd423da016341744cb6d58e222182e 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -22,7 +22,7 @@
 #include <stdio.h>
 
 #define PARSER_MAX_LINE_SIZE 128
-#define PARSER_MAX_NO_OF_PARAMS 512 
+#define PARSER_MAX_NO_OF_PARAMS 512
 
 #define PARSER_COMMENT_CHAR "#"
 #define PARSER_VALUE_CHAR ':'
@@ -30,21 +30,25 @@
 #define PARSER_END_OF_FILE "..."
 
 struct parameter {
-    char name [PARSER_MAX_LINE_SIZE];
-    char value [PARSER_MAX_LINE_SIZE];
+  char name[PARSER_MAX_LINE_SIZE];
+  char value[PARSER_MAX_LINE_SIZE];
 };
 
 struct swift_params {
-    struct parameter data [PARSER_MAX_NO_OF_PARAMS];
-    int count;
+  struct parameter data[PARSER_MAX_NO_OF_PARAMS];
+  int count;
 };
 
 /* Public API. */
 void parser_read_file(const char *file_name, struct swift_params *params);
 void parser_print_params(struct swift_params *params);
-void parser_get_param_int(struct swift_params *params, char *name, int *retParam);
-void parser_get_param_float(struct swift_params *params, char *name, float *retParam);
-void parser_get_param_double(struct swift_params *params, char * name, double * retParam);
-void parser_get_param_string(struct swift_params *params, char *name, char *retParam);
+void parser_get_param_int(struct swift_params *params, char *name,
+                          int *retParam);
+void parser_get_param_float(struct swift_params *params, char *name,
+                            float *retParam);
+void parser_get_param_double(struct swift_params *params, char *name,
+                             double *retParam);
+void parser_get_param_string(struct swift_params *params, char *name,
+                             char *retParam);
 
 #endif /* SWIFT_PARSER_H */
diff --git a/tests/testParser.c b/tests/testParser.c
index 55b3adb6102a5bdf976c77ff4be64837a3f67cc8..a4b8789fca056fef659bca78eae9d0effb2ceb66 100644
--- a/tests/testParser.c
+++ b/tests/testParser.c
@@ -24,41 +24,44 @@
 
 int main(int argc, char *argv[]) {
 
-  const char * input_file = argv[1];
-  
-  /* Create a structure to read file into. */ 
+  const char *input_file = argv[1];
+
+  /* Create a structure to read file into. */
   struct swift_params param_file;
-  
+
   /* Create variables that will be set from the parameter file. */
   int no_of_threads = 0;
   int no_of_time_steps = 0;
   float max_h = 0.0f;
   double start_time = 0.0;
-  char ic_file [PARSER_MAX_LINE_SIZE];
+  char ic_file[PARSER_MAX_LINE_SIZE];
 
   /* Read the parameter file. */
-  parser_read_file(input_file,&param_file);
+  parser_read_file(input_file, &param_file);
 
   /* Print the contents of the structure. */
   parser_print_params(&param_file);
-  
-  /* Retrieve parameters and store them in variables defined above. 
-   * Have to specify the name of the parameter as it appears in the 
+
+  /* Retrieve parameters and store them in variables defined above.
+   * Have to specify the name of the parameter as it appears in the
    * input file: testParserInput.yaml.*/
-  parser_get_param_int(&param_file,"no_of_threads",&no_of_threads);
-  parser_get_param_int(&param_file,"no_of_time_steps",&no_of_time_steps);
-  parser_get_param_float(&param_file,"max_h",&max_h);
-  parser_get_param_double(&param_file,"start_time",&start_time);
-  parser_get_param_string(&param_file,"ic_file",ic_file);
-  
+  parser_get_param_int(&param_file, "no_of_threads", &no_of_threads);
+  parser_get_param_int(&param_file, "no_of_time_steps", &no_of_time_steps);
+  parser_get_param_float(&param_file, "max_h", &max_h);
+  parser_get_param_double(&param_file, "start_time", &start_time);
+  parser_get_param_string(&param_file, "ic_file", ic_file);
+
   /* Print the variables to check their values are correct. */
-  printf("no_of_threads: %d, no_of_time_steps: %d, max_h: %f, start_time: %lf, ic_file: %s\n",no_of_threads, no_of_time_steps, max_h, start_time, ic_file);
+  printf(
+      "no_of_threads: %d, no_of_time_steps: %d, max_h: %f, start_time: %lf, "
+      "ic_file: %s\n",
+      no_of_threads, no_of_time_steps, max_h, start_time, ic_file);
 
   assert(no_of_threads == 16);
   assert(no_of_time_steps == 10);
   assert(fabs(max_h - 1.1255) < 0.00001);
   assert(fabs(start_time - 1.23456789) < 0.00001);
-  assert(strcmp(ic_file,"ic_file.ini") == 0); /*strcmp returns 0 if correct.*/
+  assert(strcmp(ic_file, "ic_file.ini") == 0); /*strcmp returns 0 if correct.*/
 
   return 0;
 }