Move f8_t definition

include/ck/utility/data_type.hpp

@@ -3,7 +3,6 @@
 
 #pragma once
 
-#include "ck/utility/f8_utils.hpp"
 #include "ck/utility/statically_indexed_array.hpp"
 
 namespace ck {
@@ -13,6 +12,7 @@ using half_t  = _Float16;
 #ifdef CK_EXPERIMENTAL_BIT_INT_EXTENSION_INT4
 using int4_t = _BitInt(4);
 #endif
+using f8_t = uint8_t;
 
 // vector_type
 template <typename T, index_t N>

include/ck/utility/f8_utils.hpp

@@ -3,10 +3,9 @@
 
 #pragma once
 
-namespace ck {
+#include "ck/utility/data_type.hpp"
 
-using f8_t   = uint8_t;
-using half_t = _Float16;
+namespace ck {
 
 // fp8 rounding modes
 // use standard for rounding to nearest, the faster one

include/ck/utility/type_convert.hpp

@@ -4,6 +4,7 @@
 #pragma once
 
 #include "ck/utility/data_type.hpp"
+#include "ck/utility/f8_utils.hpp"
 #include "ck/utility/random_gen.hpp"
 
 namespace ck {