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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_CONNECTIVITY_SOURCE_INC_FILE_FNUMERICFUNCTIONS_HXX
#define INCLUDED_CONNECTIVITY_SOURCE_INC_FILE_FNUMERICFUNCTIONS_HXX
#include <file/fcode.hxx>
namespace connectivity
{
namespace file
{
/** ABS(X)
Returns the absolute value of X:
> SELECT ABS(2);
-> 2
> SELECT ABS(-32);
-> 32
*/
class OOp_Abs : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** SIGN(X)
Returns the sign of the argument as -1, 0, or 1, depending on whether X is negative, zero, or positive:
> SELECT SIGN(-32);
-> -1
> SELECT SIGN(0);
-> 0
> SELECT SIGN(234);
-> 1
*/
class OOp_Sign : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** MOD(N,M)
%
Modulo (like the % operator in C). Returns the remainder of N divided by M:
> SELECT MOD(234, 10);
-> 4
> SELECT 253 % 7;
-> 1
> SELECT MOD(29,9);
-> 2
> SELECT 29 MOD 9;
-> 2
*/
class OOp_Mod : public OBinaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs,const ORowSetValue& rhs) const override;
};
/** FLOOR(X)
Returns the largest integer value not greater than X:
> SELECT FLOOR(1.23);
-> 1
> SELECT FLOOR(-1.23);
-> -2
*/
class OOp_Floor : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** CEILING(X)
Returns the smallest integer value not less than X:
> SELECT CEILING(1.23);
-> 2
> SELECT CEILING(-1.23);
-> -1
*/
class OOp_Ceiling : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** ROUND(X)
ROUND(X,D)
Returns the argument X, rounded to the nearest integer. With two arguments rounded to a number to D decimals.
> SELECT ROUND(-1.23);
-> -1
> SELECT ROUND(-1.58);
-> -2
> SELECT ROUND(1.58);
-> 2
> SELECT ROUND(1.298, 1);
-> 1.3
> SELECT ROUND(1.298, 0);
-> 1
> SELECT ROUND(23.298, -1);
-> 20
*/
class OOp_Round : public ONthOperator
{
protected:
virtual ORowSetValue operate(const std::vector<ORowSetValue>& lhs) const override;
};
/** EXP(X)
Returns the value of e (the base of natural logarithms) raised to the power of X:
> SELECT EXP(2);
-> 7.389056
> SELECT EXP(-2);
-> 0.135335
*/
class OOp_Exp : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** LN(X)
Returns the natural logarithm of X:
> SELECT LN(2);
-> 0.693147
> SELECT LN(-2);
-> NULL
*/
class OOp_Ln : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** LOG(X)
LOG(B,X)
If called with one parameter, this function returns the natural logarithm of X:
> SELECT LOG(2);
-> 0.693147
> SELECT LOG(-2);
-> NULL
If called with two parameters, this function returns the logarithm of X for an arbitrary base B:
> SELECT LOG(2,65536);
-> 16.000000
> SELECT LOG(1,100);
-> NULL
*/
class OOp_Log : public ONthOperator
{
protected:
virtual ORowSetValue operate(const std::vector<ORowSetValue>& lhs) const override;
};
/** LOG10(X)
Returns the base-10 logarithm of X:
> SELECT LOG10(2);
-> 0.301030
> SELECT LOG10(100);
-> 2.000000
> SELECT LOG10(-100);
-> NULL
*/
class OOp_Log10 : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** POWER(X,Y)
Returns the value of X raised to the power of Y:
> SELECT POW(2,2);
-> 4.000000
> SELECT POW(2,-2);
-> 0.250000
*/
class OOp_Pow : public OBinaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs,const ORowSetValue& rhs) const override;
};
/** SQRT(X)
Returns the non-negative square root of X:
> SELECT SQRT(4);
-> 2.000000
> SELECT SQRT(20);
-> 4.472136
*/
class OOp_Sqrt : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** PI()
Returns the value of PI. The default shown number of decimals is 5, but internally uses the full double precision for PI.
> SELECT PI();
-> 3.141593
> SELECT PI()+0.000000000000000000;
-> 3.141592653589793238
*/
class OOp_Pi : public ONthOperator
{
protected:
virtual ORowSetValue operate(const std::vector<ORowSetValue>& lhs) const override;
};
/** COS(X)
Returns the cosine of X, where X is given in radians:
> SELECT COS(PI());
-> -1.000000
*/
class OOp_Cos : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** SIN(X)
Returns the sine of X, where X is given in radians:
> SELECT SIN(PI());
-> 0.000000
*/
class OOp_Sin : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** TAN(X)
Returns the tangent of X, where X is given in radians:
> SELECT TAN(PI()+1);
-> 1.557408
*/
class OOp_Tan : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** ACOS(X)
Returns the arc cosine of X, that is, the value whose cosine is X. Returns NULL if X is not in the range -1 to 1:
> SELECT ACOS(1);
-> 0.000000
> SELECT ACOS(1.0001);
-> NULL
> SELECT ACOS(0);
-> 1.570796
*/
class OOp_ACos : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** ASIN(X)
Returns the arc sine of X, that is, the value whose sine is X. Returns NULL if X is not in the range -1 to 1:
> SELECT ASIN(0.2);
-> 0.201358
> SELECT ASIN('foo');
-> 0.000000
*/
class OOp_ASin : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** ATAN(X)
Returns the arc tangent of X, that is, the value whose tangent is X:
> SELECT ATAN(2);
-> 1.107149
> SELECT ATAN(-2);
-> -1.107149
*/
class OOp_ATan : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** ATAN2(Y,X)
Returns the arc tangent of the two variables X and Y. It is similar to calculating the arc tangent of Y / X, except that the signs of both arguments are used to determine the quadrant of the result:
> SELECT ATAN2(-2,2);
-> -0.785398
> SELECT ATAN2(PI(),0);
-> 1.570796
*/
class OOp_ATan2 : public OBinaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs,const ORowSetValue& rhs) const override;
};
/** DEGREES(X)
Returns the argument X, converted from radians to degrees:
> SELECT DEGREES(PI());
-> 180.000000
*/
class OOp_Degrees : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** RADIANS(X)
Returns the argument X, converted from degrees to radians:
> SELECT RADIANS(90);
-> 1.570796
*/
class OOp_Radians : public OUnaryOperator
{
protected:
virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
}
}
#endif // INCLUDED_CONNECTIVITY_SOURCE_INC_FILE_FNUMERICFUNCTIONS_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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