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fb16dfecae
Commit b7f05445c0 has added WWW entries to port Makefiles based on
WWW: lines in pkg-descr files.
This commit removes the WWW: lines of moved-over URLs from these
pkg-descr files.
Approved by: portmgr (tcberner)
23 lines
1.4 KiB
Plaintext
23 lines
1.4 KiB
Plaintext
* This module contains several useful routines for interpolating
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data sets and finding where a given value lies in a sorted list.
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The first is a subroutine used to locate a position in an array
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of values where a given value would fit using bisection. It has
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been designed to be efficient in the common situation that it is
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called repeatedly. The user can supply a different set of comparison
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operators to replace the standard < and <=. For example, given a
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list (1, 2, 5, 8, 15) and the number 9.5 it would return 3.
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* The remaining routines all are related to interpolating sets of
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(x,y) data pairs. They all take a list of (x,y) data pairs given
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another x value, return a sensible y value using the list of (x,y)
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data pairs. Three different interpolating functions are provided.
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The first, called a constant interpolator, assumes that the
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function being interpolated moves in non-linear jumps from one
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value to another. The interpolated value for some value x is the
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y value of the neighboring (x,y) to the left of the given x. The
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second interpolator performs a linear interpolation between the
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neighboring points. The third interpolator is called the robust
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interpolator and interpolates a smooth curve between all of the
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(x,y) pairs. To do the interpolation, it first calculates some
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reasonable derivatives at the (x,y) pairs. The robust interpolator
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can also use derivative information supplied by the user.
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