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Seitosh
Seitosh
Commits
f379dae0
Commit
f379dae0
authored
Nov 23, 2015
by
thomas.forbriger
Browse files
[WP] (issue7): identify third problem
parent
0c7b5199
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issue7_refract_catch_zero_offset.txt
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f379dae0
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@@ -31,7 +31,7 @@ From the man page of the pow-function:
- The pow() function returns the value of x raised to the power of y.
- If y is 0, the result is 1.0 (even if x is a NaN).
We potentially face t
wo
problems:
We potentially face t
hree
problems:
1 When using the zero offset (least offset) trace as a reference for offset
dependent scaling (as is the default), a division by zero happens in
subroutine mpcfactors.
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@@ -44,6 +44,8 @@ We potentially face two problems:
the latter step there happens the nasty division by zero (division by mpc
factor). This problem is present, even is the zero offset trace is not used
as a reference.
3 For a negative exponent the mpc factor of the zero offset trace would become
infinite even for a finite reference value.
Solutions:
1 The first problem is resolved by not using a zero-offset trace as a
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