LinearFunction

线性函数，C语言方式实现。程序中涉及到线性函数的概念，详细介绍见维基百科Linear function。

开发环境

• 操作系统：Windows 10 专业版
• IDE：Visual Studio 2017 专业版

API

• void LinearFunction_PointSlopeInit(LinearFunction *function, float x, float y, float slope)
• void LinearFunction_TwoPointInit(LinearFunction *function, float x1, float y1, float x2, float y2)
• void LinearFunction_SetSlope(LinearFunction *function, float slope)
• void LinearFunction_SetIntercept(LinearFunction *function, float intercept)
• float LinearFunction_GetSlope(LinearFunction *function)
• float LinearFunction_GetIntercept(LinearFunction *function)
• float LinearFunction_GetAbscissa(LinearFunction *function, float y)
• float LinearFunction_GetOrdinate(LinearFunction *function, float x)
• float LinearFunction_PointToPointDistance(float x1, float y1, float x2, float y2)
• float LinearFunction_PointToLineDistance(LinearFunction *function, float x, float y)
• float LinearFunction_LineToLineDistance(LinearFunction *function1, LinearFunction *function2)
• float LinearFunction_TwoLineAngle(LinearFunction *function1, LinearFunction *function2)

运行效果