Function FindGridCell

external/mikktspace/mikktspace.c:440–445

it is IMPORTANT that this function is called to evaluate the hash since inlining could potentially reorder instructions and generate different results for the same effective input value fVal.

// inlining could potentially reorder instructions and generate different
// results for the same effective input value fVal.
static NOINLINE int FindGridCell(const float fMin, const float fMax, const float fVal)
{
	const float fIndex = g_iCells * ((fVal-fMin)/(fMax-fMin));
	const int iIndex = (int)fIndex;
	return iIndex < g_iCells ? (iIndex >= 0 ? iIndex : 0) : (g_iCells - 1);
}

static void MergeVertsFast(int piTriList_in_and_out[], STmpVert pTmpVert[], const SMikkTSpaceContext * pContext, const int iL_in, const int iR_in);
static void MergeVertsSlow(int piTriList_in_and_out[], const SMikkTSpaceContext * pContext, const int pTable[], const int iEntries);