Reverse fractional part (1 - fractional part)
Complementary fractional part for antialiasing calculations. Used to compute alpha values for adjacent pixels in line drawing. @param x Real coordinate value @return rf Reverse fraction (1.0 - fpart(x))
Type | Intent | Optional | Attributes | Name | ||
---|---|---|---|---|---|---|
real(kind=wp), | intent(in) | :: | x |