changed folder structure, added and renamed files

.gitignore

@@ -1,3 +1,8 @@
+# editor related files
+*.swp
+*~
+*.bak
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]

phases/models/parallel_model.py

@@ -0,0 +1,27 @@
+import numpy as np
+from scipy.optimize import fsolve
+
+
+def parallel2gap(K, phi, undudict):
+    gLH = K2gap(K, undudict['K-value_LH'])
+    if phi >= 0.0:
+        gLV = K2gap(K, undudict['K-value_LV+'])
+        gC = K2gap(K, undudict['K-value_C+'])
+        dgLV = gLV - gLH
+        dgC = gC - gLH - dgLV/2
+    else:
+        gLV = K2gap(K, undudict['K-value_LV-'])
+        gC = K2gap(K, undudict['K-value_C-'])
+        dgLV = gLV - gLH
+        dgC = gC - gLH - dgLV/2
+    return gLH + dgLV * np.sin(0.5 * phi)**2 + dgC * np.sin(phi)**2
+
+
+def K2gap(Kval, fitparam):
+    g2K_func = np.poly1d(fitparam[::-1])
+    tau_init = 1.0
+    k_log = float(np.log(Kval))
+    return float(fsolve(k_log - g2K_func, tau_init))
+
+
+