#include "libm.h"float ceilf(float x){union {float f; uint32_t i;} u = {x};int e = (int)(u.i >> 23 & 0xff) - 0x7f;uint32_t m;if (e >= 23)return x;if (e >= 0) {m = 0x007fffff >> e;if ((u.i & m) == 0)return x;FORCE_EVAL(x + 0x1p120f);if (u.i >> 31 == 0)u.i += m;u.i &= ~m;} else {FORCE_EVAL(x + 0x1p120f);if (u.i >> 31)u.f = -0.0;else if (u.i << 1)u.f = 1.0;}return u.f;}