4 files changed, 4 insertions, 4 deletions
diff --git a/src/c/elementaryFunctions/cos/i16coss.c b/src/c/elementaryFunctions/cos/i16coss.c
index ce345d7..787f713 100644
--- a/src/c/elementaryFunctions/cos/i16coss.c
+++ b/src/c/elementaryFunctions/cos/i16coss.c
@@ -14,5 +14,5 @@
 #include "cos.h"
 
 float	       i16coss(int16 x) {
-  return (cos(x));
+  return (cos((double)x));
 }
diff --git a/src/c/elementaryFunctions/cos/i8coss.c b/src/c/elementaryFunctions/cos/i8coss.c
index 02d8216..4b344e1 100644
--- a/src/c/elementaryFunctions/cos/i8coss.c
+++ b/src/c/elementaryFunctions/cos/i8coss.c
@@ -14,5 +14,5 @@
 #include "cos.h"
 
 float	       i8coss(int8 x) {
-  return (cos(x));
+  return (cos((double)x));
 }
diff --git a/src/c/elementaryFunctions/cos/u16coss.c b/src/c/elementaryFunctions/cos/u16coss.c
index c4c8616..fb25ac5 100644
--- a/src/c/elementaryFunctions/cos/u16coss.c
+++ b/src/c/elementaryFunctions/cos/u16coss.c
@@ -14,5 +14,5 @@
 #include "cos.h"
 
 float	       u16coss(uint16 x) {
-  return (cos(x));
+  return (cos((double)x));
 }
diff --git a/src/c/elementaryFunctions/cos/u8coss.c b/src/c/elementaryFunctions/cos/u8coss.c
index 30400c1..26e2eba 100644
--- a/src/c/elementaryFunctions/cos/u8coss.c
+++ b/src/c/elementaryFunctions/cos/u8coss.c
@@ -14,5 +14,5 @@
 #include "cos.h"
 
 float	       u8coss(uint8 x) {
-  return (cos(x));
+  return (cos((double)x));
 }