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iplpack.h revision b8e299dddd091ae24e0c08c45d91b8f937bd14d2
/* $XFree86$ */
/* Modified nov 94 by Martin Schaller (Martin_Schaller@maus.r.de) for use with
interleaved planes */
#
define
NUM_LONGS
(
planes
,
xs
,
xe
) \
(((((
xe
) * (
planes
) +
31
) & ~
31
) - \
(((
xs
) * (
planes
)) & ~
31
))/
32
)
#
define
NUM_TEMP_BYTES
(
planes
,
longs
) \
(((
2
* (
longs
) + (
planes
) -
1
) /
planes
+
1
) *
planes
*
2
)