fix test for windows 32 bits

Author: Nelson-numerical-software

modules/trigonometric_functions/tests/test_cosh.nls

@@ -26,7 +26,7 @@ assert_isequal(cosh(-Inf), Inf);
 A = rand(100, 100);
 y1 = cosh(A * i);
 y2 = complex(cos(A));
-assert_isequal(y1, y2);
+assert_isapprox(y1, y2, 1e-4);
 //=============================================================================
 A = rand(3, 3, 3);
 y1 = cosh(complex(zeros(3, 3, 3), A));