### [WP] (issue7): identify third problem

parent 0c7b5199
 ... @@ -31,7 +31,7 @@ From the man page of the pow-function: ... @@ -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. - 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). - If y is 0, the result is 1.0 (even if x is a NaN). We potentially face two problems: We potentially face three problems: 1 When using the zero offset (least offset) trace as a reference for offset 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 dependent scaling (as is the default), a division by zero happens in subroutine mpcfactors. subroutine mpcfactors. ... @@ -44,6 +44,8 @@ We potentially face two problems: ... @@ -44,6 +44,8 @@ We potentially face two problems: the latter step there happens the nasty division by zero (division by mpc 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 factor). This problem is present, even is the zero offset trace is not used as a reference. 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: Solutions: 1 The first problem is resolved by not using a zero-offset trace as a 1 The first problem is resolved by not using a zero-offset trace as a ... ...
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