prefl.c File Reference

Detailed Description

This file contains the function called by the fitting routines for calculating the reflectivity curve. The formulas are defined in the module <Calculating the reflectivity>.


double calcReflectivity (double q, double *a, Parratt *par)
 Wrapper for calculating the reflectivity with background, instrumental resolution, and surface coverage.
double calcParratt (double q, double *a, Parratt *par)
 Actually calculates the reflectivity.
double calcNoFilm (double q, double *a, Parratt *par)
 Calculates the reflectivity of the bulk/substrate interface.
double lookupResolution (double q, Parratt *par)
 Returns the instrumental resolution at a particular q value.

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