Index: uspace/lib/math/arch/amd64/include/libarch/math.h
===================================================================
--- uspace/lib/math/arch/amd64/include/libarch/math.h	(revision ba11ebb0c9c9eff6cb448de9b6e401d27e65312c)
+++ uspace/lib/math/arch/amd64/include/libarch/math.h	(revision c0c38c7c377b0a40d556f2b53fa830176a19d761)
@@ -36,14 +36,15 @@
 #define LIBMATH_amd64_MATH_H_
 
+#include <mathtypes.h>
 #include <mod.h>
 
-static inline double fmod(double dividend, double divisor)
+static inline float64_t fmod(float64_t dividend, float64_t divisor)
 {
-	return double_mod(dividend, divisor);
+	return float64_mod(dividend, divisor);
 }
 
-extern double sin(double);
-extern double cos(double);
-extern double trunc(double);
+extern float64_t sin(float64_t);
+extern float64_t cos(float64_t);
+extern float64_t trunc(float64_t);
 
 #endif