In Files
- math.c
Parent
Files
- grammar.en.rdoc
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- COPYING.ja
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- contributing.rdoc
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- standard_library.rdoc
- syntax.rdoc
- assignment.rdoc
- calling_methods.rdoc
- control_expressions.rdoc
- exceptions.rdoc
- literals.rdoc
- methods.rdoc
- miscellaneous.rdoc
- modules_and_classes.rdoc
- precedence.rdoc
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- History.rdoc
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- README.rdoc
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- ia64.s
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Class/Module Index
![[+]](../images/find.png "show/hide quicksearch")
- ARGF
- ArgumentError
- Array
- BasicObject
- Binding
- Class
- ClosedQueueError
- Comparable
- Complex
- Complex::compatible
- ConditionVariable
- Continuation
- Data
- Dir
- ENV
- EOFError
- Encoding
- Encoding::CompatibilityError
- Encoding::Converter
- Encoding::ConverterNotFoundError
- Encoding::InvalidByteSequenceError
- Encoding::UndefinedConversionError
- EncodingError
- Enumerable
- Enumerator
- Enumerator::Generator
- Enumerator::Lazy
- Enumerator::Yielder
- Errno
- Exception
- FalseClass
- Fiber
- FiberError
- File
- File::File::Constants
- File::File::Constants
- File::Stat
- FileTest
- Float
- FloatDomainError
- GC
- GC::Profiler
- Hash
- IO
- IO::EAGAINWaitReadable
- IO::EAGAINWaitWritable
- IO::EINPROGRESSWaitReadable
- IO::EINPROGRESSWaitWritable
- IO::EWOULDBLOCKWaitReadable
- IO::EWOULDBLOCKWaitWritable
- IO::WaitReadable
- IO::WaitWritable
- IOError
- IndexError
- Integer
- Interrupt
- Kernel
- KeyError
- LoadError
- LocalJumpError
- Marshal
- MatchData
- Math
- Math::DomainError
- Method
- Module
- NameError
- NilClass
- NoMemoryError
- NoMethodError
- NotImplementedError
- Numeric
- Object
- ObjectSpace
- ObjectSpace::WeakMap
- Proc
- Process
- Process::GID
- Process::Status
- Process::Sys
- Process::UID
- Process::Waiter
- Queue
- Random
- Random::Formatter
- Range
- RangeError
- Rational
- Rational::compatible
- Regexp
- RegexpError
- Ripper
- RubyVM
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- RuntimeError
- ScriptError
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- Signal
- SignalException
- SizedQueue
- StandardError
- StopIteration
- String
- Struct
- Symbol
- SyntaxError
- SystemCallError
- SystemExit
- SystemStackError
- Thread
- Thread::Backtrace::Location
- Thread::Mutex
- ThreadError
- ThreadGroup
- Time
- TracePoint
- TrueClass
- TypeError
- UnboundMethod
- UncaughtThrowError
- Warning
- ZeroDivisionError
- fatal
Math::DomainError
Raised when a mathematical function is evaluated outside of its domain of definition.
For example, since cos returns values in the range -1..1, its inverse function acos is only defined on that interval:
Math.acos(42)
produces:
Math::DomainError: Numerical argument is out of domain - "acos"