diff options
Diffstat (limited to 'src/NXP')
24 files changed, 199 insertions, 117 deletions
diff --git a/src/NXP/Classes/Calculator.php b/src/NXP/Classes/Calculator.php index 253e70c..1ceac84 100644 --- a/src/NXP/Classes/Calculator.php +++ b/src/NXP/Classes/Calculator.php @@ -13,13 +13,14 @@ namespace NXP\Classes; use NXP\Classes\Token\InterfaceOperator; use NXP\Classes\Token\TokenFunction; use NXP\Classes\Token\TokenNumber; -use NXP\Classes\Token\TokenString; +use NXP\Classes\Token\TokenStringSingleQuoted; +use NXP\Classes\Token\TokenStringDoubleQuoted; use NXP\Classes\Token\TokenVariable; use NXP\Exception\IncorrectExpressionException; use NXP\Exception\UnknownVariableException; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class Calculator { @@ -38,7 +39,10 @@ class Calculator if ($token instanceof TokenNumber) { array_push($stack, $token); } - if ($token instanceof TokenString) { + if ($token instanceof TokenStringDoubleQuoted) { + array_push($stack, $token); + } + if ($token instanceof TokenStringSingleQuoted) { array_push($stack, $token); } if ($token instanceof TokenVariable) { diff --git a/src/NXP/Classes/Lexer.php b/src/NXP/Classes/Lexer.php index 1650b80..a511c9b 100644 --- a/src/NXP/Classes/Lexer.php +++ b/src/NXP/Classes/Lexer.php @@ -17,13 +17,14 @@ use NXP\Classes\Token\TokenFunction; use NXP\Classes\Token\TokenLeftBracket; use NXP\Classes\Token\TokenNumber; use NXP\Classes\Token\TokenRightBracket; +use NXP\Classes\Token\TokenStringSingleQuoted; use NXP\Classes\Token\TokenVariable; -use NXP\Classes\Token\TokenString; +use NXP\Classes\Token\TokenStringDoubleQuoted; use NXP\Exception\IncorrectBracketsException; use NXP\Exception\IncorrectExpressionException; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class Lexer { @@ -38,9 +39,8 @@ class Lexer } /** - * @param string $input Source string of equation - * @return array Tokens stream - * @throws \NXP\Exception\IncorrectExpressionException + * @param string $input Source string of equation + * @return array Tokens stream */ public function stringToTokensStream($input) { @@ -58,9 +58,9 @@ class Lexer } /** - * @param array $tokensStream Tokens stream - * @return array Array of tokens in revers polish notation - * @throws \NXP\Exception\IncorrectExpressionException + * @param array $tokensStream Tokens stream + * @return array Array of tokens in revers polish notation + * @throws IncorrectBracketsException */ public function buildReversePolishNotation($tokensStream) { @@ -68,54 +68,50 @@ class Lexer $stack = []; foreach ($tokensStream as $token) { - if ($token instanceof TokenString) { + if ($token instanceof TokenStringDoubleQuoted) { $output[] = $token; - } - elseif ($token instanceof TokenNumber) { + } elseif ($token instanceof TokenStringSingleQuoted) { $output[] = $token; - } - elseif ($token instanceof TokenVariable) { + } elseif ($token instanceof TokenNumber) { $output[] = $token; - } - elseif ($token instanceof TokenFunction) { + } elseif ($token instanceof TokenVariable) { + $output[] = $token; + } elseif ($token instanceof TokenFunction) { array_push($stack, $token); - } - elseif ($token instanceof AbstractOperator) { + } elseif ($token instanceof AbstractOperator) { // While we have something on the stack while (($count = count($stack)) > 0 - && ( - // If it is a function - ($stack[$count-1] instanceof TokenFunction) + && ( + // If it is a function + ($stack[$count - 1] instanceof TokenFunction) - || - // Or the operator at the top of the operator stack - // has (left associative and equal precedence) - // or has greater precedence - (($stack[$count-1] instanceof InterfaceOperator) && - ( - ($stack[$count-1]->getAssociation() == AbstractOperator::LEFT_ASSOC && - $token->getPriority() == $stack[$count-1]->getPriority()) - || - ($stack[$count-1]->getPriority() > $token->getPriority()) - ) - ) - ) + || + // Or the operator at the top of the operator stack + // has (left associative and equal precedence) + // or has greater precedence + (($stack[$count - 1] instanceof InterfaceOperator) && + ( + ($stack[$count - 1]->getAssociation() == AbstractOperator::LEFT_ASSOC && + $token->getPriority() == $stack[$count - 1]->getPriority()) + || + ($stack[$count - 1]->getPriority() > $token->getPriority()) + ) + ) + ) - // And not a left bracket - && ( ! ($stack[$count-1] instanceof TokenLeftBracket)) ) { + // And not a left bracket + && (!($stack[$count - 1] instanceof TokenLeftBracket))) { $output[] = array_pop($stack); } array_push($stack, $token); - } - elseif ($token instanceof TokenLeftBracket) { + } elseif ($token instanceof TokenLeftBracket) { array_push($stack, $token); - } - elseif ($token instanceof TokenRightBracket) { - while (($current = array_pop($stack)) && ( ! ($current instanceof TokenLeftBracket))) { + } elseif ($token instanceof TokenRightBracket) { + while (($current = array_pop($stack)) && (!($current instanceof TokenLeftBracket))) { $output[] = $current; } - if (!empty($stack) && ($stack[count($stack)-1] instanceof TokenFunction)) { + if (!empty($stack) && ($stack[count($stack) - 1] instanceof TokenFunction)) { $output[] = array_pop($stack); } } diff --git a/src/NXP/Classes/Token/AbstractContainerToken.php b/src/NXP/Classes/Token/AbstractContainerToken.php index 12d49d2..be2da5f 100644 --- a/src/NXP/Classes/Token/AbstractContainerToken.php +++ b/src/NXP/Classes/Token/AbstractContainerToken.php @@ -11,7 +11,7 @@ namespace NXP\Classes\Token; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ abstract class AbstractContainerToken implements InterfaceToken { diff --git a/src/NXP/Classes/Token/AbstractOperator.php b/src/NXP/Classes/Token/AbstractOperator.php index 87634d5..8b23ad8 100644 --- a/src/NXP/Classes/Token/AbstractOperator.php +++ b/src/NXP/Classes/Token/AbstractOperator.php @@ -11,7 +11,7 @@ namespace NXP\Classes\Token; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ abstract class AbstractOperator implements InterfaceToken, InterfaceOperator { diff --git a/src/NXP/Classes/Token/InterfaceFunction.php b/src/NXP/Classes/Token/InterfaceFunction.php index be867b0..a457d0e 100644 --- a/src/NXP/Classes/Token/InterfaceFunction.php +++ b/src/NXP/Classes/Token/InterfaceFunction.php @@ -11,7 +11,7 @@ namespace NXP\Classes\Token; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ interface InterfaceFunction { diff --git a/src/NXP/Classes/Token/InterfaceOperator.php b/src/NXP/Classes/Token/InterfaceOperator.php index da6cdf0..9e3bae1 100644 --- a/src/NXP/Classes/Token/InterfaceOperator.php +++ b/src/NXP/Classes/Token/InterfaceOperator.php @@ -11,7 +11,7 @@ namespace NXP\Classes\Token; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ interface InterfaceOperator { diff --git a/src/NXP/Classes/Token/InterfaceToken.php b/src/NXP/Classes/Token/InterfaceToken.php index 86fec91..db07aeb 100644 --- a/src/NXP/Classes/Token/InterfaceToken.php +++ b/src/NXP/Classes/Token/InterfaceToken.php @@ -11,7 +11,7 @@ namespace NXP\Classes\Token; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ interface InterfaceToken { diff --git a/src/NXP/Classes/Token/TokenComma.php b/src/NXP/Classes/Token/TokenComma.php index f590e32..6a45595 100644 --- a/src/NXP/Classes/Token/TokenComma.php +++ b/src/NXP/Classes/Token/TokenComma.php @@ -11,7 +11,7 @@ namespace NXP\Classes\Token; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class TokenComma implements InterfaceToken { diff --git a/src/NXP/Classes/Token/TokenDegree.php b/src/NXP/Classes/Token/TokenDegree.php index 3eec23d..273183a 100644 --- a/src/NXP/Classes/Token/TokenDegree.php +++ b/src/NXP/Classes/Token/TokenDegree.php @@ -13,7 +13,7 @@ namespace NXP\Classes\Token; use NXP\Exception\IncorrectExpressionException; /** -* @author Alexander Kiryukhin <alexander@symdev.org> +* @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class TokenDegree extends AbstractOperator { diff --git a/src/NXP/Classes/Token/TokenDivision.php b/src/NXP/Classes/Token/TokenDivision.php index 9166d34..4a8f8ce 100644 --- a/src/NXP/Classes/Token/TokenDivision.php +++ b/src/NXP/Classes/Token/TokenDivision.php @@ -14,7 +14,7 @@ use NXP\Exception\IncorrectExpressionException; use NXP\Exception\DivisionByZeroException; /** -* @author Alexander Kiryukhin <alexander@symdev.org> +* @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class TokenDivision extends AbstractOperator { diff --git a/src/NXP/Classes/Token/TokenFunction.php b/src/NXP/Classes/Token/TokenFunction.php index 2ed8ace..b2866c3 100644 --- a/src/NXP/Classes/Token/TokenFunction.php +++ b/src/NXP/Classes/Token/TokenFunction.php @@ -11,7 +11,7 @@ namespace NXP\Classes\Token; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class TokenFunction extends AbstractContainerToken implements InterfaceFunction { diff --git a/src/NXP/Classes/Token/TokenLeftBracket.php b/src/NXP/Classes/Token/TokenLeftBracket.php index 0cfdc1a..08165d8 100644 --- a/src/NXP/Classes/Token/TokenLeftBracket.php +++ b/src/NXP/Classes/Token/TokenLeftBracket.php @@ -11,7 +11,7 @@ namespace NXP\Classes\Token; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class TokenLeftBracket implements InterfaceToken { diff --git a/src/NXP/Classes/Token/TokenMinus.php b/src/NXP/Classes/Token/TokenMinus.php index 566c950..ad0b8e5 100644 --- a/src/NXP/Classes/Token/TokenMinus.php +++ b/src/NXP/Classes/Token/TokenMinus.php @@ -13,7 +13,7 @@ namespace NXP\Classes\Token; use NXP\Exception\IncorrectExpressionException; /** -* @author Alexander Kiryukhin <alexander@symdev.org> +* @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class TokenMinus extends AbstractOperator { diff --git a/src/NXP/Classes/Token/TokenMultiply.php b/src/NXP/Classes/Token/TokenMultiply.php index 8b173b9..0b1ecfb 100644 --- a/src/NXP/Classes/Token/TokenMultiply.php +++ b/src/NXP/Classes/Token/TokenMultiply.php @@ -13,7 +13,7 @@ namespace NXP\Classes\Token; use NXP\Exception\IncorrectExpressionException; /** -* @author Alexander Kiryukhin <alexander@symdev.org> +* @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class TokenMultiply extends AbstractOperator { diff --git a/src/NXP/Classes/Token/TokenNumber.php b/src/NXP/Classes/Token/TokenNumber.php index a7eac57..982e316 100644 --- a/src/NXP/Classes/Token/TokenNumber.php +++ b/src/NXP/Classes/Token/TokenNumber.php @@ -11,7 +11,7 @@ namespace NXP\Classes\Token; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class TokenNumber extends AbstractContainerToken { diff --git a/src/NXP/Classes/Token/TokenPlus.php b/src/NXP/Classes/Token/TokenPlus.php index fe5a1d6..a6e5036 100644 --- a/src/NXP/Classes/Token/TokenPlus.php +++ b/src/NXP/Classes/Token/TokenPlus.php @@ -13,7 +13,7 @@ namespace NXP\Classes\Token; use NXP\Exception\IncorrectExpressionException; /** -* @author Alexander Kiryukhin <alexander@symdev.org> +* @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class TokenPlus extends AbstractOperator { diff --git a/src/NXP/Classes/Token/TokenRightBracket.php b/src/NXP/Classes/Token/TokenRightBracket.php index c68473a..306ae0b 100644 --- a/src/NXP/Classes/Token/TokenRightBracket.php +++ b/src/NXP/Classes/Token/TokenRightBracket.php @@ -11,7 +11,7 @@ namespace NXP\Classes\Token; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class TokenRightBracket implements InterfaceToken { diff --git a/src/NXP/Classes/Token/TokenString.php b/src/NXP/Classes/Token/TokenStringDoubleQuoted.php index cab0711..6cff262 100644 --- a/src/NXP/Classes/Token/TokenString.php +++ b/src/NXP/Classes/Token/TokenStringDoubleQuoted.php @@ -13,7 +13,7 @@ namespace NXP\Classes\Token; /** * @author Bruce Wells <brucekwells@gmail.com> */ -class TokenString extends AbstractContainerToken +class TokenStringDoubleQuoted extends AbstractContainerToken { /** * @return string diff --git a/src/NXP/Classes/Token/TokenStringSingleQuoted.php b/src/NXP/Classes/Token/TokenStringSingleQuoted.php new file mode 100644 index 0000000..7a7ab92 --- /dev/null +++ b/src/NXP/Classes/Token/TokenStringSingleQuoted.php @@ -0,0 +1,26 @@ +<?php +/** + * This file is part of the MathExecutor package + * + * (c) Alexander Kiryukhin + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code + */ + +namespace NXP\Classes\Token; + +/** + * @author Bruce Wells <brucekwells@gmail.com> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> + */ +class TokenStringSingleQuoted extends AbstractContainerToken +{ + /** + * @return string + */ + public static function getRegex() + { + return "'([^']|'')*'"; + } +} diff --git a/src/NXP/Classes/Token/TokenVariable.php b/src/NXP/Classes/Token/TokenVariable.php index ccd7c83..a4a820a 100644 --- a/src/NXP/Classes/Token/TokenVariable.php +++ b/src/NXP/Classes/Token/TokenVariable.php @@ -11,7 +11,7 @@ namespace NXP\Classes\Token; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class TokenVariable extends AbstractContainerToken { diff --git a/src/NXP/Classes/TokenFactory.php b/src/NXP/Classes/TokenFactory.php index 6956f31..74b5789 100644 --- a/src/NXP/Classes/TokenFactory.php +++ b/src/NXP/Classes/TokenFactory.php @@ -16,14 +16,15 @@ use NXP\Classes\Token\TokenFunction; use NXP\Classes\Token\TokenLeftBracket; use NXP\Classes\Token\TokenNumber; use NXP\Classes\Token\TokenRightBracket; +use NXP\Classes\Token\TokenStringSingleQuoted; use NXP\Classes\Token\TokenVariable; -use NXP\Classes\Token\TokenString; +use NXP\Classes\Token\TokenStringDoubleQuoted; use NXP\Exception\UnknownFunctionException; use NXP\Exception\UnknownOperatorException; use NXP\Exception\UnknownTokenException; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class TokenFactory { @@ -50,12 +51,17 @@ class TokenFactory /** * Add function - * @param string $name + * @param string $name * @param callable $function - * @param int $places + * @param int $places + * @throws \ReflectionException */ - public function addFunction($name, callable $function, $places = 1) + public function addFunction($name, callable $function, $places = null) { + if ($places === null) { + $reflector = new \ReflectionFunction($function); + $places = $reflector->getNumberOfParameters(); + } $this->functions[$name] = [$places, $function]; } @@ -72,8 +78,9 @@ class TokenFactory /** * Add operator - * @param string $operatorClass - * @throws \NXP\Exception\UnknownOperatorException + * @param string $operatorClass + * @throws UnknownOperatorException + * @throws \ReflectionException */ public function addOperator($operatorClass) { @@ -83,8 +90,7 @@ class TokenFactory throw new UnknownOperatorException($operatorClass); } - $this->operators[] = $operatorClass; - $this->operators = array_unique($this->operators); + $this->operators[$operatorClass::getRegex()] = $operatorClass; } /** @@ -131,9 +137,10 @@ class TokenFactory } return sprintf( - '/(%s)|(%s)|([%s])|(%s)|(%s)|([%s%s%s])/i', + '/(%s)|(%s)|(%s)|([%s])|(%s)|(%s)|([%s%s%s])/i', TokenNumber::getRegex(), - TokenString::getRegex(), + TokenStringDoubleQuoted::getRegex(), + TokenStringSingleQuoted::getRegex(), $operatorsRegex, TokenFunction::getRegex(), TokenVariable::getRegex(), @@ -144,9 +151,10 @@ class TokenFactory } /** - * @param string $token + * @param string $token * @return InterfaceToken * @throws UnknownTokenException + * @throws UnknownFunctionException */ public function createToken($token) { @@ -163,7 +171,11 @@ class TokenFactory } if ($token[0] == '"') { - return new TokenString(str_replace('"', '', $token)); + return new TokenStringDoubleQuoted(str_replace('"', '', $token)); + } + + if ($token[0] == "'") { + return new TokenStringSingleQuoted(str_replace("'", '', $token)); } if ($token == ',') { @@ -180,7 +192,7 @@ class TokenFactory $regex = sprintf('/%s/i', TokenVariable::getRegex()); if (preg_match($regex, $token)) { - return new TokenVariable(substr($token,1)); + return new TokenVariable(substr($token, 1)); } $regex = sprintf('/%s/i', TokenFunction::getRegex()); diff --git a/src/NXP/Exception/IncorrectBracketsException.php b/src/NXP/Exception/IncorrectBracketsException.php index b3e8315..3b2d2b7 100644 --- a/src/NXP/Exception/IncorrectBracketsException.php +++ b/src/NXP/Exception/IncorrectBracketsException.php @@ -12,7 +12,7 @@ namespace NXP\Exception; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class IncorrectBracketsException extends MathExecutorException { diff --git a/src/NXP/Exception/UnknownVariableException.php b/src/NXP/Exception/UnknownVariableException.php index 8c215db..031a603 100644 --- a/src/NXP/Exception/UnknownVariableException.php +++ b/src/NXP/Exception/UnknownVariableException.php @@ -12,7 +12,7 @@ namespace NXP\Exception; /** - * @author Alexander Kiryukhin <alexander@symdev.org> + * @author Alexander Kiryukhin <a.kiryukhin@mail.ru> */ class UnknownVariableException extends MathExecutorException { diff --git a/src/NXP/MathExecutor.php b/src/NXP/MathExecutor.php index fbf6ab1..29c6a64 100644 --- a/src/NXP/MathExecutor.php +++ b/src/NXP/MathExecutor.php @@ -13,7 +13,6 @@ namespace NXP; use NXP\Classes\Calculator; use NXP\Classes\Lexer; -use NXP\Classes\Token; use NXP\Classes\TokenFactory; use NXP\Exception\UnknownVariableException; @@ -54,35 +53,6 @@ class MathExecutor } /** - * Set default operands and functions - */ - protected function addDefaults() - { - $this->tokenFactory = new TokenFactory(); - - $this->tokenFactory->addOperator('NXP\Classes\Token\TokenPlus'); - $this->tokenFactory->addOperator('NXP\Classes\Token\TokenMinus'); - $this->tokenFactory->addOperator('NXP\Classes\Token\TokenMultiply'); - $this->tokenFactory->addOperator('NXP\Classes\Token\TokenDivision'); - $this->tokenFactory->addOperator('NXP\Classes\Token\TokenDegree'); - - $this->tokenFactory->addFunction('sin', 'sin'); - $this->tokenFactory->addFunction('cos', 'cos'); - $this->tokenFactory->addFunction('tn', 'tan'); - $this->tokenFactory->addFunction('asin', 'asin'); - $this->tokenFactory->addFunction('acos', 'acos'); - $this->tokenFactory->addFunction('atn', 'atan'); - $this->tokenFactory->addFunction('min', 'min', 2); - $this->tokenFactory->addFunction('max', 'max', 2); - $this->tokenFactory->addFunction('avg', function($arg1, $arg2) { return ($arg1 + $arg2) / 2; }, 2); - - $this->setVars([ - 'pi' => 3.14159265359, - 'e' => 2.71828182846 - ]); - } - - /** * Get all vars * * @return array @@ -95,13 +65,13 @@ class MathExecutor /** * Get a specific var * - * @param string $variable + * @param string $variable * @return integer|float * @throws UnknownVariableException */ public function getVar($variable) { - if (! isset($this->variables[$variable])) { + if (!isset($this->variables[$variable])) { throw new UnknownVariableException("Variable ({$variable}) not set"); } @@ -111,9 +81,10 @@ class MathExecutor /** * Add variable to executor * - * @param string $variable + * @param string $variable * @param integer|float $value * @return MathExecutor + * @throws \Exception */ public function setVar($variable, $value) { @@ -129,9 +100,10 @@ class MathExecutor /** * Add variables to executor * - * @param array $variables - * @param bool $clear Clear previous variables + * @param array $variables + * @param bool $clear Clear previous variables * @return MathExecutor + * @throws \Exception */ public function setVars(array $variables, $clear = true) { @@ -149,7 +121,7 @@ class MathExecutor /** * Remove variable from executor * - * @param string $variable + * @param string $variable * @return MathExecutor */ public function removeVar($variable) @@ -172,8 +144,9 @@ class MathExecutor /** * Add operator to executor * - * @param string $operatorClass Class of operator token + * @param string $operatorClass Class of operator token * @return MathExecutor + * @throws Exception\UnknownOperatorException */ public function addOperator($operatorClass) { @@ -195,10 +168,11 @@ class MathExecutor /** * Add function to executor * - * @param string $name Name of function - * @param callable $function Function - * @param int $places Count of arguments + * @param string $name Name of function + * @param callable $function Function + * @param int $places Count of arguments * @return MathExecutor + * @throws \ReflectionException */ public function addFunction($name, $function = null, $places = 1) { @@ -262,4 +236,74 @@ class MathExecutor return $result; } + + /** + * Set default operands and functions + */ + protected function addDefaults() + { + $this->tokenFactory = new TokenFactory(); + + foreach ($this->defaultOperators() as $operatorClass) { + $this->tokenFactory->addOperator($operatorClass); + } + + foreach ($this->defaultFunctions() as $name => $callable) { + $this->tokenFactory->addFunction($name, $callable); + } + + $this->setVars($this->defaultVars()); + } + + protected function defaultOperators() + { + return [ + 'NXP\Classes\Token\TokenPlus', + 'NXP\Classes\Token\TokenMinus', + 'NXP\Classes\Token\TokenMultiply', + 'NXP\Classes\Token\TokenDivision', + 'NXP\Classes\Token\TokenDegree', + ]; + } + + protected function defaultFunctions() + { + return [ + 'sin' => function ($arg) { + return sin($arg); + }, + 'cos' => function ($arg) { + return cos($arg); + }, + 'tn' => function ($arg) { + return tan($arg); + }, + 'asin' => function ($arg) { + return asin($arg); + }, + 'acos' => function ($arg) { + return acos($arg); + }, + 'atn' => function ($arg) { + return atan($arg); + }, + 'min' => function ($arg1, $arg2) { + return min($arg1, $arg2); + }, + 'max' => function ($arg1, $arg2) { + return max($arg1, $arg2); + }, + 'avg' => function ($arg1, $arg2) { + return ($arg1 + $arg2) / 2; + }, + ]; + } + + protected function defaultVars() + { + return [ + 'pi' => 3.14159265359, + 'e' => 2.71828182846 + ]; + } } |