+//senquack - float<->fixed conversions:
+#define f2x(x) ((s32)((x) * (float)(1<<FIXED_BITS)))
+#define x2f(x) ((float)(x) / (float)(1<<FIXED_BITS))
+
+//senquack - floating point reciprocal:
+//NOTE: These assume x is always != 0 !!!
+#ifdef GPU_UNAI_USE_FLOATMATH
+#if defined(_MIPS_ARCH_MIPS32R2) || (__mips == 64)
+INLINE float FloatInv(const float x)
+{
+ float res;
+ asm("recip.s %0,%1" : "=f" (res) : "f" (x));
+ return res;
+}
+#else
+INLINE float FloatInv(const float x)