From 99513cfe7458ea75f179228f376f7d45c46a17bd Mon Sep 17 00:00:00 2001
From: kamischi <karl-michael.schindler@web.de>
Date: Sat, 30 Dec 2023 21:35:04 +0100
Subject: [PATCH] More comments

---
 source/f90/calltree.txt | 4 +++-
 source/f90/doboson.f90  | 5 -----
 source/f90/eels.f90     | 6 +++---
 source/f90/o1.f90       | 4 ++++
 source/f90/o2.f90       | 4 ++++
 5 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/source/f90/calltree.txt b/source/f90/calltree.txt
index a248480..90bb8c9 100644
--- a/source/f90/calltree.txt
+++ b/source/f90/calltree.txt
@@ -22,4 +22,6 @@ BOSON
       sintr
     sintr
     rcffi
-    respon
\ No newline at end of file
+    respon
+    o1
+    o2
diff --git a/source/f90/doboson.f90 b/source/f90/doboson.f90
index 8ae4b5f..f2ee66d 100644
--- a/source/f90/doboson.f90
+++ b/source/f90/doboson.f90
@@ -57,11 +57,6 @@ subroutine doboson(t, width, gauss, asym, emin, emax, wmin, wmax, np, p, xout, y
 ! respon called when the input parameter gauss is < 0 or > 1.
 ! with 0 <= gauss <= 1, r1 and r2 are not used.
 
-! *** rational approximations for ei(u) * exp(-u) + e1(u) * exp(+u)
-! *** in the intervals (0, 1.3) and (1.3, infinity) <accuracy : 4.e-04>
-! *** used for fourier transforming half-lorentzian functions
-
-
   debug = .false.
   data fm1 / 0.0d0 /, fp1 / 0.0d0 /
   pi = 4 * datan(1.0d0)
diff --git a/source/f90/eels.f90 b/source/f90/eels.f90
index d6ac13f..ae45580 100644
--- a/source/f90/eels.f90
+++ b/source/f90/eels.f90
@@ -30,11 +30,11 @@ program eels
 
   call change_working_dir()
   open(unit = 11, file = 'eelsin')
-! impact energy (ev)
+! impact energy (eV)
   read(11, *) e0
-! incidence angle (%)
+! incidence angle (°)
   read(11, *) theta
-! angular apertures of the elliptic detector (%)
+! angular apertures of the elliptic detector (°)
   read(11, *) phia
   read(11, *) phib
 ! energy-loss interval and step size (cm**-1)
diff --git a/source/f90/o1.f90 b/source/f90/o1.f90
index a346fc0..16c9bf0 100644
--- a/source/f90/o1.f90
+++ b/source/f90/o1.f90
@@ -1,5 +1,9 @@
 double precision function o1(u)
 
+! *** rational approximations for ei(u) * exp(-u) + e1(u) * exp(+u)
+! *** in the intervals (0, 1.3) and (1.3, infinity) <accuracy : 4.e-04>
+! *** used for fourier transforming half-lorentzian functions
+
   implicit none
 
   double precision, intent(in) :: u
diff --git a/source/f90/o2.f90 b/source/f90/o2.f90
index 1d4fc3b..76c562b 100644
--- a/source/f90/o2.f90
+++ b/source/f90/o2.f90
@@ -1,5 +1,9 @@
 double precision function o2(u)
 
+! *** rational approximations for ei(u) * exp(-u) + e1(u) * exp(+u)
+! *** in the intervals (0, 1.3) and (1.3, infinity) <accuracy : 4.e-04>
+! *** used for fourier transforming half-lorentzian functions
+
   implicit none
 
   double precision, intent(in) :: u
-- 
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