Clean-up trivially redundant diff.

[git.git] / xdiff / xdiffi.c

diff --git a/xdiff/xdiffi.c b/xdiff/xdiffi.c
index 8ea0483..e81bca6 100644 (file)
--- a/xdiff/xdiffi.c
+++ b/xdiff/xdiffi.c
@@ -349,12 +349,7 @@ int xdl_do_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
        kvdf += xe->xdf2.nreff + 1;
        kvdb += xe->xdf2.nreff + 1;
 
-       /*
-        * Classical integer square root approximation using shifts.
-        */
-       xenv.mxcost = 1;
-       for (; ndiags; ndiags >>= 2)
-               xenv.mxcost <<= 1;
+       xenv.mxcost = xdl_bogosqrt(ndiags);
        if (xenv.mxcost < XDL_MAX_COST_MIN)
                xenv.mxcost = XDL_MAX_COST_MIN;
        xenv.snake_cnt = XDL_SNAKE_CNT;