--- a
+++ b/inst/test_ellint.m
@@ -0,0 +1,136 @@
+## Copyright (C) 2008   Raymond E. Rogers   
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or
+##  any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, see .
+
+#
+#
+#
+# R. Rogers v1, testing gsl_sf_ellint_Kcomp_e, gsl_sf_ellint_Ecomp_e
+# 	implementation in octave as ellint_Kcomp, ellint_Ecomp
+#	against the gsl tests 
+#	Some array verification is done; since I messed it up once.
+
+
+global GSL_DBL_EPSILON=        2.2204460492503131e-16
+global GSL_SQRT_DBL_EPSILON=   1.4901161193847656e-08
+global TEST_TOL0= (2.0*GSL_DBL_EPSILON)
+global TEST_TOL1=  (16.0*GSL_DBL_EPSILON)
+global TEST_TOL2=  (256.0*GSL_DBL_EPSILON)
+global TEST_TOL3=  (2048.0*GSL_DBL_EPSILON)
+global TEST_TOL4=  (16384.0*GSL_DBL_EPSILON)
+global TEST_TOL5=  (131072.0*GSL_DBL_EPSILON)
+global TEST_TOL6=  (1048576.0*GSL_DBL_EPSILON)
+global TEST_SQRT_TOL0= (2.0*GSL_SQRT_DBL_EPSILON)
+global TEST_SNGL=  (1.0e-06)
+
+global TEST_SF_INCONS=  1
+global TEST_SF_ERRNEG=  2
+global TEST_SF_TOLBAD=  4
+global TEST_SF_RETBAD=  8
+global TEST_SF_ERRBAD=  16
+global TEST_SF_ERRBIG=  32
+global TEST_SF_EXPBAD=  64
+global TEST_FACTOR=	100
+
+
+function res=READ_TEST_SF_ellint(input_name)
+global GSL_DBL_EPSILON     
+global GSL_SQRT_DBL_EPSILON
+global TEST_TOL0
+global TEST_TOL1
+global TEST_TOL2
+global TEST_TOL3
+global TEST_TOL4
+global TEST_TOL5
+global TEST_TOL6
+global TEST_SQRT_TOL0
+global TEST_SNGL
+
+global TEST_SF_INCONS
+global TEST_SF_ERRNEG
+global TEST_SF_TOLBAD
+global TEST_SF_RETBAD
+global TEST_SF_ERRBAD
+global TEST_SF_ERRBIG
+global TEST_SF_EXPBAD
+
+global TEST_FACTOR
+	[source_id,source_msg]=fopen(input_name,"r","native")
+	
+
+		while (! feof(source_id))
+			do			
+				input_line=fgetl(source_id);
+			until( index(input_line,"//") == 0);
+			
+			str_p=index(input_line,"gsl_sf_ellint_Kcomp_e");
+			if (str_p != 0)
+				# Take it apart
+				string_split=split(input_line,",");
+				arg1=str2double(substr(string_split(3,:),3));
+				arg2=str2double(string_split(4,:));
+				arg3=(string_split(5,:));
+				val=str2double(string_split(6,:));
+				tol=eval(string_split(7,:));
+				[ret,err]=ellint_Kcomp(arg1,arg2);
+				# This is to prevent extanious stops on some errors
+				if ret==NaN 
+					ret=Inf
+				endif 
+				if (abs((ret-val)/val)<tol*TEST_FACTOR)
+					printf("\n Passed ellint_Kcomp: %e  ",arg1)
+				else
+					printf("\n Failed ellint_Kcomp: %s\n value=%e, computed=%e, tol=%e, returned error=%e ",input_line,val,ret,tol,err)
+					printf("\n error %e", abs((ret-val)/val))
+				endif 				
+			endif
+			str_p=index(input_line,"gsl_sf_ellint_Ecomp_e");
+			if (str_p != 0)
+				# Take it apart
+				string_split=split(input_line,",");
+				arg1=str2double(substr(string_split(3,:),3));
+				arg2=str2double(string_split(4,:));
+				arg3=(string_split(5,:));
+				val=str2double(string_split(6,:));
+				tol=eval(string_split(7,:));
+				[ret,err]=ellint_Ecomp(arg1,arg2);
+				# This is to prevent extanious stops on some errors
+				if ret==NaN 
+					ret=Inf
+				endif 
+				if (abs((ret-val)/val)<tol*TEST_FACTOR)
+					printf("\n Passed ellint_Ecomp: %e  ",arg1)
+				else
+					printf("\n Failed ellint_Ecomp: %s\n value=%e, computed=%e, tol=%e, returned error=%e ",input_line,val,ret,tol,err)
+					printf("\n error %e", abs((ret-val)/val))
+				endif 				
+			endif
+		endwhile
+	fclose(source_id);
+	#lets do some array tests
+	disp("\n array tests")
+	disp("\n Argument array")
+	mat1=[.1,.2; .3,.5]
+	disp("\n ellint_Kcomp(mat1)")
+	ellint_Kcomp(mat1,0)
+	disp("\n ellint_Ecomp(mat1)")
+	ellint_Ecomp(mat1,0)
+
+	res="";
+end
+#file_name=input("file name: ","s")
+file_name="test_sf.c"
+READ_TEST_SF_ellint(file_name);
+
+