f___2.h
来自「c源码」· C头文件 代码 · 共 20 行
H
20 行
/* .h freeware xhunga@tiscali.fr*/
/* -------------------------------------------------------------------------- */
double f(
double x)
{
return( cos(x));
}
char feq[] = " cos(x)";
/* -------------------------------------------------------------------------- */
double Df(
double x)
{
return( (-sin(x)) );
}
char Dfeq[] = " (-sin(x)) ";
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
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