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package raster
type Fix int32
const (
FIXED_SHIFT = 16
FIXED_FLOAT_COEF = 1 << FIXED_SHIFT
)
/*! Fixed point math inevitably introduces rounding error to the DDA. The error is
* fixed every now and then by a separate fix value. The defines below set these.
*/
const (
SLOPE_FIX_SHIFT = 8
SLOPE_FIX_STEP = 1 << SLOPE_FIX_SHIFT
SLOPE_FIX_MASK = SLOPE_FIX_STEP - 1
)
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