mainwzsignaltest.html

Delaunay三角形的网格剖分程序

<TITLE>WZ 1.1: Signal handling</TITLE>

<H1>Signal Handling</H1>

<PRE>
#include &lt;signal.h&gt;
#include "coglib.hxx"

static float z;

float test(const float x)
{
	float y=1;
	return y/x;
}
	

int main()
{
  try{
    float x = test(0);
    wzOutputDefault("1/0 is ignored, 1/0 = &lt;&gt;\n"),x;
  }catch(wzMathError){
	wzOutputDefault("1/0 causes &lt;&gt;\n"),"wzMathError";
  }catch(...){
	wzOutputDefault("1/0 causes &lt;&gt; exception\n"),"unknown";
  }
  fine();
}

</PRE>