dfflibv04.txt

Delphi的大数运算演示 pudn上大多是VC的 所以传个Delphi的

This is release 4 of the DFF Library - common uses units containing classes used in many programs throughout DelphiForFUn.

Units from previous version:
----------------------------

UBigIntsV2		TInteger - Big Integer definition and arithmetic

UComboV2		ComboSet class for computing combinations and permutations

UIntList.pas		An Integer list version of TStringlist

UTGraphSearch		Defines a structure to contain Nodes and Edges for a graph. Search 						procedures from a given source a given destination nodes for Depth first 					search, Breadth first search, and Dijkstra Shortest path search are included.
 
DFFUtils		Support procedures:
				AdjustGridSize
				Reformatmemo
				SetmemoMargins



Units added with this version:
------------------------------
UCardComponent		A TCards class that can display cards images, front and back, shuffle a deck, etc.


UGeometry		Geometrical functions 
				Line returns a line structuire from two points.
				IntDistance returns integer distance between two points.
				LinesIntersect (tests intersection of two line segments)
				PointInPoly - tests if point is internal to a given polygon
				PointPerLine - Determines line perpendicular to given point 
						 through a given line.
				PerpDistance - returns perpendicular distance from point to
						given line.
				Angled line from line - determines line at given angle from a point
						on a given line.