Author: bugman
Date: Tue Aug 26 12:44:12 2014
New Revision: 25282
URL: http://svn.gna.org/viewcvs/relax?rev=25282&view=rev
Log:
Bug fix for the chi-squared gradient calculation in the C module.
The definition of the square() function needed extra brackets so that the
1/error**2 calculation
would be 1/(error*error) rather than the incorrect 1/error*error form.
Modified:
trunk/target_functions/c_chi2.c
Modified: trunk/target_functions/c_chi2.c
URL:
http://svn.gna.org/viewcvs/relax/trunk/target_functions/c_chi2.c?rev=25282&r1=25281&r2=25282&view=diff
==============================================================================
--- trunk/target_functions/c_chi2.c (original)
+++ trunk/target_functions/c_chi2.c Tue Aug 26 12:44:12 2014
@@ -22,7 +22,7 @@
#include "c_chi2.h"
/* Define the function for calculating the square of a number. */
-#define square(x) (x)*(x)
+#define square(x) ((x)*(x))
double chi2(double *values, double *sd, double *back_calc, int num_times) {
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