&& (!defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L))
#define acosf(f) ((float) acos(f))
#define asinf(f) ((float) asin(f))
-#define atan2f(f) ((float) atan2(f))
+#define atan2f(x,y) ((float) atan2(x,y))
#define atanf(f) ((float) atan(f))
#define cielf(f) ((float) ciel(f))
#define cosf(f) ((float) cos(f))
#define floorf(f) ((float) floor(f))
#define logf(f) ((float) log(f))
#define log2f(f) ((float) log2(f))
-#define powf(f) ((float) pow(f))
+#define powf(x,y) ((float) pow(x,y))
#define sinf(f) ((float) sin(f))
#define sinhf(f) ((float) sinh(f))
#define sqrtf(f) ((float) sqrt(f))