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-rw-r--r-- | connectivity/source/inc/file/FNumericFunctions.hxx | 367 |
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diff --git a/connectivity/source/inc/file/FNumericFunctions.hxx b/connectivity/source/inc/file/FNumericFunctions.hxx new file mode 100644 index 000000000..3f143c658 --- /dev/null +++ b/connectivity/source/inc/file/FNumericFunctions.hxx @@ -0,0 +1,367 @@ +/* -*- 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: */ |