Sha256: 64ea87549c4eca42d4cc7048be4180a4d838950cec6ebf12b21d91fca8ad9571
Contents?: true
Size: 804 Bytes
Versions: 135
Compression:
Stored size: 804 Bytes
Contents
#ifndef _unary_h
#define _unary_h
#include <cmath>
#include <cfloat>
#include <functional> //*TY 12/26/1998 - added to get unary_function
#if !defined (STLPORT) || defined (_STLP_USE_NAMESPACES)
using std::unary_function;
#endif
struct odd : public unary_function<int, bool>
{
// odd() {}
bool operator()(int n_) const { return(n_ % 2) == 1; }
};
struct positive : public unary_function<int, bool>
{
typedef int argument_type;
typedef bool result_type;
// positive() {}
bool operator()(int n_) const { return n_ >= 0; }
};
struct square_root : public unary_function<double, double>
{
typedef double argument_type;
typedef double result_type;
square_root() {}
square_root(const square_root &) {}
double operator()(double x_) const
{ return ::sqrt(x_); }
};
#endif // _unary_h
Version data entries
135 entries across 135 versions & 2 rubygems