diff --git a/headers/posix/math.h b/headers/posix/math.h
index bda8515aaa..eed586cff5 100644
--- a/headers/posix/math.h
+++ b/headers/posix/math.h
@@ -91,6 +91,9 @@ extern float		expf(float x);
 extern float		expm1f(float x);
 extern float		fabsf(float x);
 extern float		floorf(float x);
+extern float		fmaf(float x, float y, float z);
+extern float		fmaxf(float x, float y);
+extern float		fminf(float x, float y);
 extern float		fmodf(float x, float y);
 extern float		frexpf(float x, int *_exponent);
 extern float		gammaf(float x);
@@ -131,6 +134,9 @@ extern double		cosh(double x);
 extern double		exp(double x);
 extern double		fabs(double x);
 extern double		floor(double x);
+extern double		fma(double x, double y, double z);
+extern double		fmax(double x, double y);
+extern double		fmin(double x, double y);
 extern double		fmod(double x, double y);
 extern double		frexp(double x, int *_exponent);
 extern double		gamma(double x);
@@ -162,6 +168,9 @@ extern long double	asinl(long double x);
 extern long double	atanl(long double x);
 extern long double	atanhl(long double x);
 extern long double	atan2l(long double y, long double x);
+extern long double	fmal(long double x, long double y, long double z);
+extern long double	fmaxl(long double x, long double y);
+extern long double	fminl(long double x, long double y);
 extern long double	lgammal(long double x);
 extern long double	nanl(const char* tagp);
 extern long double	nearbyintl(long double x);