Wrappers for testing z != 0 lattice sum related special functions.

Former-commit-id: a6be46f81850b1c01c72ea96c141c92a98f6ace8

qpms/cyewaldtest.pyx

@@ -0,0 +1,24 @@
+from .qpms_cdefs cimport *
+from libc.stdlib cimport malloc, free, calloc
+import numpy as np
+
+cdef extern from "ewald.h":
+    void ewald3_2_sigma_long_Delta(qpms_csf_result *target, int maxn, cdouble x, cdouble z)
+    int complex_gamma_inc_e(double a, cdouble x, int m, qpms_csf_result *result)
+
+def e32_Delta(int maxn, cdouble x, cdouble z):
+    cdef qpms_csf_result *target = <qpms_csf_result *>malloc((maxn+1)*sizeof(qpms_csf_result))
+    cdef np.ndarray[cdouble, ndim=1] target_np = np.empty((maxn+1,), dtype=complex, order='C')
+    ewald3_2_sigma_long_Delta(target, maxn, x, z)
+    cdef int i
+    for i in range(maxn+1):
+        target_np[i] = target[i].val
+    free(target)
+    return target_np
+
+def gamma_inc(double a, cdouble x, int m=0):
+    cdef qpms_csf_result res
+    complex_gamma_inc_e(a, x, m, &res)
+    return res.val
+
+

setup.py

@@ -121,6 +121,10 @@ cyquaternions = Extension('qpms.cyquaternions',
         #extra_link_args=['amos/libamos.a', 'qpms/libqpms.a'],
         libraries=['qpms', 'gsl', 'lapacke', 'blas', 'gslcblas', 'pthread',]
         )
+cyewaldtest = Extension('qpms.cyewaldtest',
+        sources = ['qpms/cyewaldtest.pyx'],
+        libraries=['qpms', 'gsl', 'lapacke', 'blas', 'gslcblas', 'pthread',]
+        )
 
 qpms_c = Extension('qpms.qpms_c',
         sources = [
@@ -144,7 +148,7 @@ setup(name='qpms',
             #'quaternion','spherical_functions',
             'scipy>=0.18.0', 'sympy>=1.2'],
         #dependency_links=['https://github.com/moble/quaternion/archive/v2.0.tar.gz','https://github.com/moble/spherical_functions/archive/master.zip'],
-        ext_modules=cythonize([qpms_c, cywaves, cytranslations, cytmatrices, cycommon, cyquaternions, cybspec, cymaterials], include_path=['qpms', 'amos'], gdb_debug=True),
+        ext_modules=cythonize([qpms_c, cywaves, cytranslations, cytmatrices, cycommon, cyquaternions, cybspec, cymaterials, cyewaldtest], include_path=['qpms', 'amos'], gdb_debug=True),
         cmdclass = {'build_ext': build_ext},
         zip_safe=False
         )