calc

func CalcMarginRatioFromAmm(
	pos perptypes.Position,
	amm perptypes.AMM,
	marketLatestCpf sdk.Dec,
) (marginRatio sdk.Dec, posNot sdk.Dec, err error)

func CalcMarginRatioFromTwap(
	pos perptypes.Position,
	posNotFromTwap sdk.Dec,
	marketLatestCpf sdk.Dec,
) sdk.Dec

func DirectionMult(posSize sdk.Dec) (dirMult sdk.Int)

func PnlForNewMarginRatio(
	newMarginRatio sdk.Dec, pos perptypes.Position, amm perptypes.AMM,
	marketLatestCpf sdk.Dec,
) (pnl sdk.Dec, marginRatio sdk.Dec, posNot sdk.Dec, err error)

func PriceFromMarginRatio(
	newMarginRatio sdk.Dec, pos perptypes.Position, amm perptypes.AMM,
	marketLatestCpf sdk.Dec,
) (newPrice, newPosNot, marginRatio sdk.Dec, err error)