intervalarithext.h File Reference

Detailed Description

C++ extensions to interval arithmetics for provable bounds.

Author

Stefan Vigerske

Definition in file intervalarithext.h.

#include "scip/intervalarith.h"
#include "scip/pub_message.h"

Go to the source code of this file.

Macros
#define	SCIP_INTERVALARITH_UNDEFFUNC(function)

Functions
SCIPInterval	operator+ (const SCIPInterval &x, const SCIPInterval &y)
SCIPInterval	operator- (const SCIPInterval &x, const SCIPInterval &y)
SCIPInterval	operator- (const SCIPInterval &y)
SCIPInterval	operator* (const SCIPInterval &x, const SCIPInterval &y)
SCIPInterval	operator/ (const SCIPInterval &x, const SCIPInterval &y)
SCIPInterval	cos (const SCIPInterval &x)
SCIPInterval	exp (const SCIPInterval &x)
SCIPInterval	log (const SCIPInterval &x)
SCIPInterval	pow (const SCIPInterval &x, const SCIPInterval &y)
SCIPInterval	pow (const SCIPInterval &x, const SCIP_Real &y)
SCIPInterval	signpow (const SCIPInterval &x, const SCIP_Real p)
SCIPInterval	sin (const SCIPInterval &x)
SCIPInterval	square (const SCIPInterval &x)
SCIPInterval	sqrt (const SCIPInterval &x)
SCIPInterval	abs (const SCIPInterval &x)
SCIPInterval	sign (const SCIPInterval &x)

Macro Definition Documentation

#define SCIP_INTERVALARITH_UNDEFFUNC

(

function

)

Value:

inline                                                                          \
SCIPInterval function(                                                          \
   const SCIPInterval&   x                   /**< operand */                    \
   )                                                                            \
{                                                                               \
   SCIPerrorMessage("Error: " #function " not implemented for intervals.\n");   \
   return SCIPInterval();                                                       \
}

macro to easy definition of so far unimplemented interval functions

Definition at line 390 of file intervalarithext.h.

Function Documentation

SCIPInterval operator+ ( const SCIPInterval &  x, const SCIPInterval &  y  )

inline

addition of two intervals

Parameters

x	first operand
y	second operand

Definition at line 178 of file intervalarithext.h.

References SCIPInterval::infinity.

SCIPInterval operator- ( const SCIPInterval &  x, const SCIPInterval &  y  )

inline

substraction for two intervals

Parameters

x	first operand
y	second operand

Definition at line 192 of file intervalarithext.h.

References SCIPInterval::infinity.

SCIPInterval operator- ( const SCIPInterval &  y )

inline

negation of an interval

Parameters

y

operand

Definition at line 206 of file intervalarithext.h.

SCIPInterval operator* ( const SCIPInterval &  x, const SCIPInterval &  y  )

inline

multiplication of two intervals

Parameters

x	first operand
y	second operand

Definition at line 219 of file intervalarithext.h.

References SCIPInterval::infinity.

SCIPInterval operator/ ( const SCIPInterval &  x, const SCIPInterval &  y  )

inline

division for two intervals

Parameters

x	first operand
y	second operand

Definition at line 233 of file intervalarithext.h.

References SCIPInterval::infinity.

SCIPInterval cos ( const SCIPInterval &  x )

inline

cosinus of an interval

Parameters

x

operand

Definition at line 247 of file intervalarithext.h.

References SCIPerrorMessage.

SCIPInterval exp ( const SCIPInterval &  x )

inline

exponential of an interval

Parameters

x

operand

Definition at line 259 of file intervalarithext.h.

References SCIPInterval::infinity.

SCIPInterval log ( const SCIPInterval &  x )

inline

natural logarithm of an interval

Parameters

x

operand

Definition at line 272 of file intervalarithext.h.

References SCIPInterval::infinity.

SCIPInterval pow ( const SCIPInterval &  x, const SCIPInterval &  y  )

inline

power of an interval to another interval

Parameters

x	first operand
y	second operand

Definition at line 285 of file intervalarithext.h.

References SCIPInterval::infinity.

SCIPInterval pow ( const SCIPInterval &  x, const SCIP_Real &  y  )

inline

power of an interval to a scalar

Parameters

x	first operand
y	exponent

Definition at line 299 of file intervalarithext.h.

References SCIPInterval::infinity.

SCIPInterval signpow ( const SCIPInterval &  x, const SCIP_Real  p  )

inline

signpower of an interval to a scalar

Parameters

x	first operand
p	exponent

Definition at line 313 of file intervalarithext.h.

References SCIPInterval::infinity.

SCIPInterval sin ( const SCIPInterval &  x )

inline

sinus of an interval

Parameters

x

operand

Definition at line 327 of file intervalarithext.h.

References SCIPerrorMessage.

SCIPInterval square ( const SCIPInterval &  x )

inline

square an interval

Parameters

x

operand

Definition at line 339 of file intervalarithext.h.

References SCIPInterval::infinity.

SCIPInterval sqrt ( const SCIPInterval &  x )

inline

square root of an interval

Parameters

x

operand

Definition at line 352 of file intervalarithext.h.

References SCIPInterval::infinity.

Referenced by evalAbs(), and evalSqrt().

SCIPInterval abs ( const SCIPInterval &  x )

inline

absolute value of an interval

Parameters

x

operand

Definition at line 365 of file intervalarithext.h.

SCIPInterval sign ( const SCIPInterval &  x )

inline

sign of an interval

Parameters

x

operand

Definition at line 378 of file intervalarithext.h.