Advanced Computing Platform for Theoretical Physics

Commit acfe1770 authored by mikeaclark's avatar mikeaclark
Browse files

Small fix to int division

git-svn-id: http://lattice.bu.edu/qcdalg/cuda/quda@434 be54200a-260c-0410-bdd7-ce6af2a381ab
parent 610ecbb7
// this will evaluate wrong for (1/L^3) < 5e-7, i.e., L=100
// this will evaluate wrong for (1/L^3) < 3e-7
#define FAST_INT_DIVIDE(a, b) \
((int)(__fdividef((float)a, (float)b)+0.0000005f))
((int)(__fdividef((float)a, (float)b)+0.0000003f))
#define FAST_INT_MOD(a, b) (a - FAST_INT_DIVIDE(a,b)*b)
......
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