mfc 计算器中sin ,log ,和ln函数怎么写在我的源程序上修改.有意的,我把源程序发过来.void CMy2008110139Dlg::OnBUTTONdaoshu() //求倒数运算{// TODO:Add your control notification handler code hereif(m_val=='0')if(m_val=='0')
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![mfc 计算器中sin ,log ,和ln函数怎么写在我的源程序上修改.有意的,我把源程序发过来.void CMy2008110139Dlg::OnBUTTONdaoshu() //求倒数运算{// TODO:Add your control notification handler code hereif(m_val=='0')if(m_val=='0')](/uploads/image/z/3740237-53-7.jpg?t=mfc+%E8%AE%A1%E7%AE%97%E5%99%A8%E4%B8%ADsin+%2Clog+%2C%E5%92%8Cln%E5%87%BD%E6%95%B0%E6%80%8E%E4%B9%88%E5%86%99%E5%9C%A8%E6%88%91%E7%9A%84%E6%BA%90%E7%A8%8B%E5%BA%8F%E4%B8%8A%E4%BF%AE%E6%94%B9.%E6%9C%89%E6%84%8F%E7%9A%84%2C%E6%88%91%E6%8A%8A%E6%BA%90%E7%A8%8B%E5%BA%8F%E5%8F%91%E8%BF%87%E6%9D%A5.void+CMy2008110139Dlg%3A%3AOnBUTTONdaoshu%28%29+%2F%2F%E6%B1%82%E5%80%92%E6%95%B0%E8%BF%90%E7%AE%97%7B%2F%2F+TODO%3AAdd+your+control+notification+handler+code+hereif%28m_val%3D%3D%270%27%29if%28m_val%3D%3D%270%27%29)
mfc 计算器中sin ,log ,和ln函数怎么写在我的源程序上修改.有意的,我把源程序发过来.void CMy2008110139Dlg::OnBUTTONdaoshu() //求倒数运算{// TODO:Add your control notification handler code hereif(m_val=='0')if(m_val=='0')
mfc 计算器中sin ,log ,和ln函数怎么写
在我的源程序上修改.
有意的,我把源程序发过来.
void CMy2008110139Dlg::OnBUTTONdaoshu() //求倒数运算
{
// TODO:Add your control notification handler code hereif(m_val=='0')
if(m_val=='0')
{
m_val="除数不能为零";
UpdateData(false);
}
else
{
double c;
UpdateData();
a=atof(m_val);
c=1/a;
m_val.Format("%f",c);
UpdateData(false);
}
}
void CMy2008110139Dlg::OnBUTTONpingfang() //求平方运算
{
// TODO:Add your control notification handler code here
double c;
UpdateData();
a=atof(m_val);
c=a*a;
m_val.Format("%f",c);
UpdateData(false);
}
void CMy2008110139Dlg::OnBUTTONsin()
{
// TODO:Add your control notification handler code here
这里的代码怎么写?
mfc 计算器中sin ,log ,和ln函数怎么写在我的源程序上修改.有意的,我把源程序发过来.void CMy2008110139Dlg::OnBUTTONdaoshu() //求倒数运算{// TODO:Add your control notification handler code hereif(m_val=='0')if(m_val=='0')
double c;
UpdateData();
c=sin(a);
m_val.Format("%f",c);
UpdateData(false);
在头文件中添加"math.h"