Maple_floats - Maple Help
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Maple_floats

compute values of software float parameters

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

Maple_floats(x)

Parameters

x

-

expression

Description

• 

The Maple_floats(x) function computes the values of various parameters and constants associated with the arbitrary precision floating-point computation environment.  This routine also computes the values of expressions involving these constants.

• 

Maple_floats has option remember, so the constants are computed only once per session.  Thus, for example, it is more efficient to compute

  

than to compute

  

if the computation is to be done more than once. In particular, it is more efficient if the computation is part of a procedure.

• 

The constants known to Maple_floats are:

MAX_EXP

Maximum exponent

MIN_EXP

Minimum exponent

MAX_FLOAT

Float(1,MAX_EXP)

MIN_FLOAT

Float(1,MIN_EXP)

LN_MAX_FLOAT

evalf(ln(MAX_FLOAT)) - 1 ULP

MAX_DIGITS

Maximum setting of Digits

MAX_BIN_POWER

The largest integer b such that for a floating-point

 

number x,  is computed by the kernel (for larger

 

exponents,  is computed by the library routine

 

evalf/power)

  

ULP = "Unit in the Last Place", and for LN_MAX_FLOAT this is computed using Digits = 10.

Examples

Note: The values in these examples are the values for the machine on which this help page was generated.

(1)

(2)

(3)

See Also

evalhf[constant]

kernelopts

 


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