Merge pull request #86 from yucongalicechen/fast_cve

implement fast_cve module

Author: sbillinge

requirements/run.txt

@@ -1,3 +1,5 @@
 # List required packages in this file, one per line.
 numpy
 diffpy.utils
+pandas
+scipy

src/diffpy/labpdfproc/data/coefficient_list.csv

@@ -0,0 +1,5 @@
+-6.543824057313183,2.517676049711881e-10,-430.98705781061807,-1390.1242894055792,-2233.6043531698424,-2624.226082870084,-2590.22123249732
+5.020666247920394,-4.676545705328227e-10,875.3743680589598,2744.521375373735,4366.230491983095,5113.620084734874,5051.51673764446
+1.8615172482459748,3.25649449911046e-10,-663.8228448830648,-2027.2101338882571,-3194.0427904869357,-3728.3876362721985,-3684.6430045258744
+-1.9688714316525813,0.9999999998992586,224.64320300800793,666.0546805817288,1038.3830530062712,1207.4338980088214,1193.1790131535502
+0.9819818977427489,1.1680695590205036e-11,-28.533774174029173,-82.17596308875525,-126.6770208129477,-146.65755463691826,-144.8506009433783