List of functions

This is a list of the currently supported Functions. For a clear explanation of the differences between Functions and Methods, please refer to the help file of ftm.mess, under the patcher functions & methods.

• sin <num: value> - standard math function
• cos <num: value> - standard math function
• tan <num: value> - standard math function
• asin <num: value> - standard math function
• acos <num: value> - standard math function
• atan <num: value> - standard math function
• sinh <num: value> - standard math function
• cosh <num: value> - standard math function
• tanh <num: value> - standard math function
• abs <num: value> - standard math function - get absolute value
• log <num: value> - standard math function
• logabs <num: value> - standard math function - logarithm of absolute value
• log10 <num: value> - standard math function
• exp <num: value> - standard math function
• sqrt <num: value> - standard math function
• trunc <num: value> - standard math function - truncate to integer value
• round <num: value> - standard math function - round to integer value nearest to current value
• ceil <num: value> - standard math function - round to smallest integral value not less than current value
• floor <num: value> - standard math function - round to largest integral value not less than current value
• lin2db <num: value> - standard math function - convert linear amplitude value to value in decibel
• db2lin <num: value> - standard math function - convert value in decibel to linear amplitude value
• lin2cent <num: value> - standard math function - convert linear value to value in cent
• cent2lin <num: value> - standard math function - convert value in cent to linear value
• new <sym: class name> [<any: instantiation arguments> ...] - create object of given class
• int <num: arg> - convert to integer value
• i alias for 'int'
• float <num: arg> - convert to floating-point value
• f alias for 'float'
• symbol <sym: arg> - convert to symbol
• s alias for 'symbol'
• list [<obj|any: list args>...] - convert objects to list
• listhead [<any: list args> ...] - get list head
• listtail [<any: list args> ...] - get list tail
• listlen [<any: list args> ...] - get list size
• listnth <num: index> [<any: args> >...] - get nth list element (indices starting from 1)
• listelem <num: index> [<any: args> >...] - get list element
• listsub <num: index> <num: len> [<any: args> >...] - get sub-list
• l alias for 'list'
• lhead alias for 'listhead'
• ltail alias for 'listtail'
• llen alias for 'listlen'
• lnth alias for 'listnth'
• lelem alias for 'listelem'
• lsub alias for 'listsub'
• unique - generate unique integer number
• random [<num: min>] <num: max> - generate (float) random number (min <= x < max)
• clip <num: value> [<num: lower boundary>] <num: upper boundary> - clip value
• pow <num: base> <num: exponent> - power
• mod <num: num> <num: denum> - float modulo function
• min [<num: arg> ...] - find minimum
• max [<num: arg> ...] - find maximum
• mag [<num: arg> ...] - magnitude (sqrt of sum of squares)
• arg <num: real part> <num: imaginary part> - argument angle
• hz2midi <num: value in Hz> [<num: tuning frequency (for note # 69, def 440.)>] - convert to MIDI note number
• midi2hz <num: MIDI note number> [<num: tuning frequency (for note # 69, def 440.)>] - convert to frequency in Hz
• cat <any: item>... - concatenate to a single symbol
• basename <sym: filepath> - get filename part of filepath (last component)
• dirname <sym: filepath> - get directory part of filepath (or '.' if no path)
• extension <sym: filepath> - get extension part of filepath (after the last '.')
• stripext <sym: filepath> - remove extension from filepath (including the '.')
• not <num: linear value> - integer negation
• if <num: condition> <any: true value> <any: false value> - choose between two values (both conditional values are evaluated)
• case <num: index> [<any: value for index 1, 2 etc.> ...] - choose between multiple values (all conditional values are evaluated)
• typeof <any: arg> - get class/type name of value or object
• classof <any: arg> - get class/type of value or object
• getid <obj: reference> - get object id
• getobj <symbol: id> - get object by id
• obj <symbol: id> - get object by id
• class <sym: class name> - get class/type by name
• print print value or object
• aa <sym|any: arg> [<any: replacement if arg is #1, #2, etc> [<replacement if arg is 0>]] - replace abstraction argument by default value
• info <'classes'|'class'|'functions'> [<any: args>] [<mat: container>] - get info (post to console window or store into container if given)
• checkversion <num: major version> [<num: minor version> [<num: release>]] - check whether the running FTM corresponds to given version and release
• ftm <sym: FTM system function> <list: arguments>
• FTM alias for 'ftm'
• ftm version - get FTM version as symbol
• ftm exprerrcheck <0|'none'|1|'loose'|2|'normal'|3|'strict'> - set expression evaluation error checking level
• ftm exprerrcheck - get FTM expression evaluation error checking level
• ftm exterrors - post current errors of FTM externals
• version - get FTM version as symbol (deprecated)