Fix #17244: expm function returned totally wrong result for many negative values.
SCI/modules/data_structures/tests/nonreg_tests/bug_3459.dia.ref
restored as this test is about a display issue.
Edited by Vincent COUVERT
SCI/modules/data_structures/tests/nonreg_tests/bug_3459.dia.ref
restored as this test is about a display issue.