Properly use header files and change return type for conversion from bool to int.

1 files changed, 4 insertions, 4 deletions

diff --git a/double-error.c b/double-error.c
index 1ab0aec..4655f7c 100644
--- a/double-error.c
+++ b/double-error.c
@@ -22,9 +22,9 @@ double_error int_to_exptype(double d){
 	return de;
 }
 
-bool to_string(char* s, double_error de){
+int to_string(char* s, double_error de){
 	sprintf(s,"%f… +/- %6.1e",de.v,de.e);
-	return true;
+	return 0;
 }
 
 double_error sum(double_error de1, double_error de2){
@@ -114,8 +114,8 @@ double_error power(double_error de, double_error p) {
 
 double to_double(double_error de){ return de.v; }
 
-bool root_to_string(char* s, double_error de, double_error p){
+int root_to_string(char* s, double_error de, double_error p){
 	double_error de1p = power(de,ratio(int_to_valuetype(1),p));
 	to_string(s,de1p);
-	return true;
+	return 0;
 }