fcr: density fcd: dynamic viscosity fcf: force febp: projections of balanced force fcsv: volume source fcsm: mass source

start: begin, lower corner cell index ncells: cells size

start: begin, lower corner rawsize: raw size (underlying block that fits all faces_)

b: begin s: size

Oriented angle from (x1-x0) to (x2-x1)

Length of line segment. xx: points of polygon n: normal to line (ignored) Returns: a: area, positive if <xx[0]-xc,xx[1]-xc,n> is positively oriented

Area of plane convex polygon. xx: points of polygon n: normal to plane Returns: a: area, positive if <xx[0]-xc,xx[1]-xc,n> is positively oriented

Returns bounding box of object o. [x0, y0, z0], [x1, y1, z1]

Returns indices of bounding box (inclusive) with center in standard domain [0, m.GetGlobalSize())

Returns column of cells cmm,cm,cp,cpp. nci: 0 or 1 such that m.GetCell(f, nci) == cp

Curvature of single string s: string index

Returns polygon cut by cell, cell center at 0, unit cell, n: normal, assume 0 <= nx <= ny a: line constant, assume a <= 0

Converts counter list to string

Returns image vector, number of passes through periodic boundaries

Returns interface for single string. s: string index Output: Inter

Intersection of 2d convex polygon and line. xx: points of polygon sx: size of xx xc: point on line t: line tangent Assume zero z-component. Output: aa