log(-<realnumber>) now returns a real number

[ginac.git] / check / exam_archive.cpp

diff --git a/check/exam_archive.cpp b/check/exam_archive.cpp
index 2566a5431814d53346d590893aa4cdf4a891bbad..1deacaa10df90e9390b987f0e0da05096dabc202 100644 (file)
--- a/check/exam_archive.cpp
+++ b/check/exam_archive.cpp
@@ -3,7 +3,7 @@
  *  Here we test GiNaC's archiving system. */
 
 /*
- *  GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2004 Johannes Gutenberg University Mainz, Germany
  *
  *  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
@@ -24,7 +24,7 @@
 
 #include <fstream>
 
-unsigned exam_archive(void)
+unsigned exam_archive()
 {
        unsigned result = 0;
        
@@ -40,15 +40,16 @@ unsigned exam_archive(void)
            * epsilon_tensor(idx(fail(), 3), idx(0, 3), idx(y/2, 3))
          + lorentz_g(
              varidx(lst(x, -11*y, acos(2*x).series(x==3-5*I, 3)) * color_ONE()
-               * metric_tensor(spinidx(0, 5, false, true), varidx(2, 4)), zeta(3)),
+               * metric_tensor(varidx(log(cos(128.0/(x*y))), 5), varidx(2, 5)), zeta(3)),
              varidx(diag_matrix(lst(-1, Euler, atan(x/y==-15*I/17)))
-               * delta_tensor(idx(x, 2), idx(wild(7), 3)), log(cos(128.0/(x*y))), true),
+               * delta_tensor(idx(x, 2), idx(wild(7), 3)), zeta(3), true),
              true
            )
          + dirac_gamma(varidx(mu, dim)) * dirac_gamma(varidx(mu, 4-dim, true))
            * color_T(idx(x, 8), 1) * color_h(idx(x, 8), idx(y, 8), idx(2, 8))
            * indexed(x, sy_anti(), idx(2*y+1, x), varidx(-mu, 5))
-         - 2.4275 * spinor_metric(spinidx(x), spinidx(y));
+         - 2.4275 * spinor_metric(spinidx(0, 2, false, true), spinidx(y))
+         + abs(x).series(x == y, 4);
 
        archive ar;
        ar.archive_ex(e, "expr 1");