Add string printing to double.

1 files changed, 6 insertions, 0 deletions

diff --git a/double.c b/double.c
index 9edaffd..d31de70 100644
--- a/double.c
+++ b/double.c
@@ -1,5 +1,6 @@
 #include <stdlib.h>
 #include <math.h>
+#include <stdio.h>
 
 double convert_int(int i){ return (double) i; }
 
@@ -18,3 +19,8 @@ double absolute(double d){ return fabs(d); }
 double power(double d, double p) { return pow(d,p); }
 
 double to_double(double d){ return d; }
+
+bool to_string(char* s, double d){
+	sprintf(s,"%f",d);
+	return true;
+}