/usr/include/ComTerp/numfunc.h is in ivtools-dev 1.2.11a1-11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 1994,1995,1999,2000 Vectaport Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the names of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
/*
* This is a collection of a numeric operators. They
* automatically promote numeric types as needed, just like C.
*/
#if !defined(_numfunc_h)
#define _numfunc_h
#include <ComTerp/comfunc.h>
class ComTerp;
class ComValue;
//: base class for all numeric ComTerp commands.
class NumFunc : public ComFunc {
public:
NumFunc(ComTerp*);
void promote(ComValue&, ComValue&);
// method to do C-style promotion of operand types.
};
//: + (plus) operator.
// adds numerics and matrices, and concatenating strings
class AddFunc : public NumFunc {
public:
AddFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "+ is the add operator for numerics and matrices, and the concatenation operator for strings"; }
AttributeValueList* matrix_add(AttributeValueList*, AttributeValueList*);
};
//: - (subtraction) operator.
class SubFunc : public NumFunc {
public:
SubFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "- is the minus operator"; }
};
//: - (unary prefix minus) operator.
class MinusFunc : public NumFunc {
public:
MinusFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return " and the unary prefix minus"; }
};
//: * (multiply) operator.
// multiplies numerics and matrices
class MpyFunc : public NumFunc {
public:
MpyFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "* is the multiply operator for numerics and matrices"; }
AttributeValueList* matrix_mpy(AttributeValueList*, AttributeValueList*);
};
//: / (divide) operator.
class DivFunc : public NumFunc {
public:
DivFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "/ is the divide operator"; }
};
//: modulo command for ComTerp.
class ModFunc : public NumFunc {
public:
ModFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "%s is the mod operator"; }
};
//: minimum command for ComTerp.
// n=min(a b) -- return minimum of a and b.
class MinFunc : public NumFunc {
public:
MinFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "n=%s(a b) -- return minimum of a and b"; }
};
//: maximum command for ComTerp.
// n=max(a b) -- return maximum of a and b.
class MaxFunc : public NumFunc {
public:
MaxFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "n=%s(a b) -- return maximum of a and b"; }
};
//: absolute-value command for ComTerp.
// n=abs(a) -- return absolute value of a.
class AbsFunc : public NumFunc {
public:
AbsFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "n=%s(a) -- return absolute value of a"; }
};
//: floor command for ComTerp.
// num=floor(num) -- return closest integer value less than or equal to argument
class FloorFunc : public NumFunc {
public:
FloorFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "num=%s(num) -- return closest integer value less than or equal to argument"; }
};
//: ceiling command for ComTerp.
// num=ceil(num) -- return closest integer value greater than or equal to argument
class CeilFunc : public NumFunc {
public:
CeilFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "num=%s(num) -- return closest integer value greater than or equal to argument"; }
};
//: ceiling command for ComTerp.
// num=round(num) -- return closest integer value
class RoundFunc : public NumFunc {
public:
RoundFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "num=%s(num) -- return closest integer value"; }
};
//: character conversion command for ComTerp.
// c=char(num|str) -- convert any numeric to a char.
class CharFunc : public ComFunc {
public:
CharFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "c=%s(num|str :u) -- convert any numeric to a char"; }
};
//: short integer conversion command for ComTerp.
// s=short(num|str) -- convert any numeric to a short.
class ShortFunc : public ComFunc {
public:
ShortFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "s=%s(num|str :u) -- convert any numeric to a short"; }
};
//: integer conversion command for ComTerp.
// i=int(num|str) -- convert any numeric to an int.
class IntFunc : public ComFunc {
public:
IntFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "i=%s(num|str :u) -- convert any numeric to an int"; }
};
//: long integer conversion command for ComTerp.
// l=long(num|str) -- convert any numeric to a long.
class LongFunc : public ComFunc {
public:
LongFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "l=%s(num|str :u) -- convert any numeric to a long"; }
};
//: floating-point conversion command for ComTerp.
// f=float(num|str) -- convert any numeric to a float.
class FloatFunc : public ComFunc {
public:
FloatFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "f=%s(num|str) -- convert any numeric to a float"; }
};
//: double-length floating-point conversion command for ComTerp.
// d=double(num|str) -- convert any numeric to a double.
class DoubleFunc : public ComFunc {
public:
DoubleFunc(ComTerp*);
virtual void execute();
virtual const char* docstring() {
return "d=%s(num|str) -- convert any numeric to a double"; }
};
#endif /* !defined(_numfunc_h) */
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