9.6.4.10 Function Libraries

In most cases library names can be shortened to reduce typing. For example the Real module can be reduced to R as in R.cos(1.57).

• Real (R)
  • mrs_real Real.e
    e = ~2.718281828
  • mrs_real Real.pi
    pi = ~3.141592654
  • mrs_real Real.pi2
    pi/2 = ~1.570796327
  • mrs_real Real.pi4
    pi/4 = ~0.785398163
  • mrs_real Real.rpd
    Radians per Degree = ~0.017453292
  • mrs_real Real.dpr
    Degrees per Radian = ~57.29577951
  • mrs_real Real.sqrt2
    Square Root of 2 = ~1.414213562
  • mrs_real Real.cos(mrs_real)
    Trigonometric cosine in radians.
  • mrs_real Real.acos(mrs_real)
    Trigonometric arc cosine in radians.
  • mrs_real Real.cosh(mrs_real)
    Hyperbolic cosine in radians.
  • mrs_real Real.sin(mrs_real)
    Trigonometric sine in radians.
  • mrs_real Real.asin(mrs_real)
    Trigonometric arc sine in radians.
  • mrs_real Real.sinh(mrs_real)
    Hyperbolic cosine in radians.
  • mrs_real Real.tan(mrs_real)
    Trigonometric tangent in radians.
  • mrs_real Real.atan(mrs_real)
    Trigonometric arc tangent in radians.
  • mrs_real Real.ln(mrs_real), mrs_real Real.log(mrs_real)
    Natural logarithm, base e.
  • mrs_real Real.log2(mrs_real)
    Logarithm base 2.
  • mrs_real Real.log10(mrs_real)
    Logarithm base 10.
  • mrs_real Real.sqrt(mrs_real)
    Square root.
• Natural (N)
  • mrs_natural Natural.randmax
    Constant for the maximum random number.
  • mrs_natural Natural.abs(mrs_natural)
    Absolute value.
  • mrs_natural Natural.rand()
    Generate a random number.
  • mrs_natural Natural.srand(mrs_natural)
    Generate a random number using the given seed.
  • mrs_natural Natural.min(mrs_natural, mrs_natural)
    Return the minimum of two numbers.
  • mrs_natural Natural.max(mrs_natural, mrs_natural)
    Return the maximum of two numbers.
• String (S)
  • mrs_natural String.len(mrs_string)
    String length.
• Stream
  • outstream op
    Stream.op and Stream.opn support assignment. Data can be written to stdout by assigning to this object as in 3.1415 >> Stream.op or 'hello' >> Stream.op.
  • outstream Stream.op(mrs_real)
    write a mrs_real number to stdout.
  • outstream Stream.op(mrs_natural)
    write a mrs_natural number to stdout.
  • outstream Stream.op(mrs_bool)
    write a mrs_bool number to stdout.
  • outstream Stream.op(mrs_string)
    write a mrs_string number to stdout.
  • outstream Stream.opn(mrs_real)
    write a mrs_real number to stdout followed by a newline.
  • outstream Stream.opn(mrs_natural)
    write a mrs_natural number to stdout followed by a newline.
  • outstream Stream.opn(mrs_bool)
    write a mrs_bool number to stdout followed by a newline.
  • outstream Stream.opn(mrs_string)
    write a mrs_string number to stdout followed by a newline.
• Timer (Tmr)
  • mrs_timer Timer.cur
    the current timer that the event expression is posted on.
  • mrs_string Timer.name(mrs_timer)
    the name of the timer
  • mrs_string Timer.type(mrs_timer)
    the type of the timer
  • mrs_string Timer.prefix(mrs_timer)
    the prefix of the timer which is type/name
  • mrs_natural Timer.time(mrs_timer)
    returns the current time of the timer as a count. This is not in the form of the specific representation for the particular timer.
  • mrs_bool Timer.upd(mrs_timer, mrs_string, mrs_bool)
    updates a timer control value where the second parameter is the string path and the third parameter is the value
  • mrs_bool Timer.upd(mrs_timer, mrs_string, mrs_real)
    updates a timer control value where the second parameter is the string path and the third parameter is the value
  • mrs_bool Timer.upd(mrs_timer, mrs_string, mrs_natural)
    updates a timer control value where the second parameter is the string path and the third parameter is the value
  • mrs_bool Timer.upd(mrs_timer, mrs_string, mrs_string)
    updates a timer control value where the second parameter is the string path and the third parameter is the value
  • mrs_natural Timer.ival(mrs_timer, mrs_string)
    returns a natural value corresponding to the string representation of a time value in the specific format for the timer. ie "1s" may represent 1 second for a timer.