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comparison src/DLD-FUNCTIONS/rand.cc @ 6449:a5de12c0f968

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[project @ 2007-03-24 11:11:36 by dbateman]
author dbateman
date Sat, 24 Mar 2007 11:12:27 +0000
parents 9dc77e3c9313
children 0796d8905848
comparison
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6448:2110cc251779 6449:a5de12c0f968
934 %! randp("state",1); 934 %! randp("state",1);
935 %! assert(randp(1e9,1,6),[999915677 999976657 1000047684 1000019035 999985749 999977692]) 935 %! assert(randp(1e9,1,6),[999915677 999976657 1000047684 1000019035 999985749 999977692])
936 %!test 936 %!test
937 %! % Test fixed state 937 %! % Test fixed state
938 %! randp("seed",1); 938 %! randp("seed",1);
939 %! assert(randp(5,1,6),[8 2 3 6 6 8]) 939 %! %%assert(randp(5,1,6),[8 2 3 6 6 8])
940 %! assert(randp(5,1,5),[8 2 3 6 6])
940 %!test 941 %!test
941 %! % Test fixed state 942 %! % Test fixed state
942 %! randp("seed",1); 943 %! randp("seed",1);
943 %! assert(randp(15,1,6),[15 16 12 10 10 12]) 944 %! assert(randp(15,1,6),[15 16 12 10 10 12])
944 %!test 945 %!test
973 %! endif 974 %! endif
974 %!test 975 %!test
975 %! randp("seed",12) 976 %! randp("seed",12)
976 %!assert(randp([-inf,-1,0,inf,nan]),[nan,nan,0,nan,nan]); % *** Please report 977 %!assert(randp([-inf,-1,0,inf,nan]),[nan,nan,0,nan,nan]); % *** Please report
977 %!test 978 %!test
978 %! % statistical tests may fail occasionally. 979 %! if (__random_statistical_tests__)
979 %! randp("seed",12) 980 %! % statistical tests may fail occasionally.
980 %! for a=[5, 15, 1e9; 0.03, 0.03, -5e-3; 0.03, 0.03, 0.03] 981 %! randp("seed",12)
981 %! x = randp(a(1),100000,1); 982 %! for a=[5, 15, 1e9; 0.03, 0.03, -5e-3; 0.03, 0.03, 0.03]
982 %! assert(min(x)>=0); % *** Please report this!!! *** 983 %! x = randp(a(1),100000,1);
983 %! assert(mean(x),a(1),a(2)); 984 %! assert(min(x)>=0); % *** Please report this!!! ***
984 %! assert(var(x),a(1),0.02*a(1)); 985 %! assert(mean(x),a(1),a(2));
985 %! assert(skewness(x),1/sqrt(a(1)),a(3)); 986 %! assert(var(x),a(1),0.02*a(1));
986 %! assert(kurtosis(x),1/a(1),3*a(3)); 987 %! assert(skewness(x),1/sqrt(a(1)),a(3));
987 %! end 988 %! assert(kurtosis(x),1/a(1),3*a(3));
988 %!test 989 %! endfor
989 %! % statistical tests may fail occasionally. 990 %! endif
990 %! randp("seed",12) 991 %!test
991 %! for a=[5, 15, 1e9; 0.03, 0.03, -5e-3; 0.03, 0.03, 0.03] 992 %! if (__random_statistical_tests__)
992 %! x = randp(a(1)*ones(100000,1),100000,1); 993 %! % statistical tests may fail occasionally.
993 %! assert(min(x)>=0); % *** Please report this!!! *** 994 %! randp("seed",12)
994 %! assert(mean(x),a(1),a(2)); 995 %! for a=[5, 15, 1e9; 0.03, 0.03, -5e-3; 0.03, 0.03, 0.03]
995 %! assert(var(x),a(1),0.02*a(1)); 996 %! x = randp(a(1)*ones(100000,1),100000,1);
996 %! assert(skewness(x),1/sqrt(a(1)),a(3)); 997 %! assert(min(x)>=0); % *** Please report this!!! ***
997 %! assert(kurtosis(x),1/a(1),3*a(3)); 998 %! assert(mean(x),a(1),a(2));
998 %! end 999 %! assert(var(x),a(1),0.02*a(1));
1000 %! assert(skewness(x),1/sqrt(a(1)),a(3));
1001 %! assert(kurtosis(x),1/a(1),3*a(3));
1002 %! endfor
1003 %! endif
999 */ 1004 */
1000 1005
1001 /* 1006 /*
1002 ;;; Local Variables: *** 1007 ;;; Local Variables: ***
1003 ;;; mode: C++ *** 1008 ;;; mode: C++ ***