Implement double arithmetic with error bounds.

1 files changed, 2 insertions, 0 deletions

diff --git a/ratio.h b/ratio.h
index cf04c6c..56701f3 100644
--- a/ratio.h
+++ b/ratio.h
@@ -6,6 +6,8 @@ typedef struct {bool s; unsigned long long n; unsigned long long d;} rational;
 
 rational convert_int(int);
 
+unsigned int to_exptype(unsigned int);
+
 bool is_greater(rational,rational);
 
 rational sum(rational,rational);