#include<stdint.h>// Match Numba fast_cosine (float_nndescent.py, fastmath=True).
floatfast_cosine_numba(float*x,float*y,intdim){float result =0.0f;for(int i =0; i < dim; i++){
result += x[i]* y[i];}if(result >0.0f){return-result;}return1.17549435e-38f;}