diff options
Diffstat (limited to 'macros/luatex/latex/luacas/tex/test/expressions/equations.lua')
-rw-r--r-- | macros/luatex/latex/luacas/tex/test/expressions/equations.lua | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/macros/luatex/latex/luacas/tex/test/expressions/equations.lua b/macros/luatex/latex/luacas/tex/test/expressions/equations.lua new file mode 100644 index 0000000000..3d6aa131fc --- /dev/null +++ b/macros/luatex/latex/luacas/tex/test/expressions/equations.lua @@ -0,0 +1,17 @@ +local a = Equation(parse("2^x"), parse("1")) +local b = Equation(parse("x^2+2*x+1"), parse("0")) +local c = Equation(parse("2*x^x"), parse("3*y")) +local d = Equation(parse("e^x+1"), parse("y")) +local e = Equation(parse("z*sin(x/2)"), parse("4")) +local f = Equation(parse("4"), parse("0")) + + +starttest("equation solving") +testeq(a:solvefor(parse("x")), Equation(parse("x"), parse("0")), a) +testeq(b:solvefor(parse("x")), Equation(parse("x"), parse("-1")), b) -- This will need to be fixed once set expressions are woring +testeq(c:solvefor(parse("x")), Equation(parse("x^x"), parse("3/2*y")), c) +testeq(c:solvefor(parse("y")), Equation(parse("y"), parse("2/3*x^x")), c) +testeq(d:solvefor(parse("x")), Equation(parse("x"), parse("ln(y - 1)")), d) +testeq(e:solvefor(parse("x")), Equation(parse("x"), parse("2*arcsin(4/z)")), e) +testeq(f:autosimplify(), "false", f) -- Same, with boolean expressions +endtest()
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