Refs #22694 supress divide by zero warning

Framework/PythonInterface/plugins/functions/ChudleyElliot.py

@@ -46,7 +46,9 @@ class ChudleyElliot(IFunction1D):
         tau = self.getParameterValue("Tau")
         length = self.getParameterValue("L")
         xvals = np.array(xvals)
-        hwhm = self.hbar*(1.0 - np.sin(xvals * length) / (xvals * length))/tau
+        with np.errstate(divide='ignore'):
+            hwhm = self.hbar*(1.0 - np.sin(xvals * length)
+                              / (xvals * length))/tau
 
         return hwhm
 

docs/source/fitting/fitfunctions/ChudleyElliot.rst

@@ -19,7 +19,7 @@ The Chudley-Elliot Jump diffusion model [1]_ has the form:
 
 Units of :math:`l` are inverse units of :math:`Q`.
 
-Units of :math:`` are :math:`meV` if units of :math:`\tau` are *ps*.
+Units of :math:`HWHM` are :math:`meV` if units of :math:`\tau` are *ps*.
 Alternatively, units of :math:`HWHM` are :math:`\mu eV` if units of
 :math:`\tau` are *ns*.