From 0549b1e5a8a3132005e275d6026db8003cb067d2 Mon Sep 17 00:00:00 2001 From: chai Date: Tue, 26 Oct 2021 11:32:46 +0800 Subject: *rename folder --- .../luaunit/test/check_lua_calc_error.lua | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Data/Libraries/luaunit/test/check_lua_calc_error.lua (limited to 'Data/Libraries/luaunit/test/check_lua_calc_error.lua') diff --git a/Data/Libraries/luaunit/test/check_lua_calc_error.lua b/Data/Libraries/luaunit/test/check_lua_calc_error.lua new file mode 100644 index 0000000..448be72 --- /dev/null +++ b/Data/Libraries/luaunit/test/check_lua_calc_error.lua @@ -0,0 +1,23 @@ + +local lu = require('luaunit') + +print( lu.EPS ) + +local pi_div_6_deg_expected, pi_div_6_deg_calculated, pi_div_3_deg_expected, pi_div_3_deg_calculated + +pi_div_6_deg_calculated = math.deg(math.pi/6) +pi_div_6_deg_expected = 30 + +pi_div_3_deg_calculated = math.deg(math.pi/3) +pi_div_3_deg_expected = 60 + +print( (pi_div_6_deg_expected - pi_div_6_deg_calculated) / lu.EPS ) -- prints: 16 +print( (pi_div_3_deg_expected - pi_div_3_deg_calculated) / lu.EPS ) -- prints: 32 + +-- Better use relative error: +print( ( (pi_div_6_deg_expected - pi_div_6_deg_calculated) / pi_div_6_deg_expected) / lu.EPS ) -- prints: 0.53333 +print( ( (pi_div_3_deg_expected - pi_div_3_deg_calculated) / pi_div_3_deg_expected) / lu.EPS ) -- prints: 0.53333 + +-- relative error is constant. Assertion can take the form of: +lu.assertAlmostEquals( (pi_div_6_deg_expected - pi_div_6_deg_calculated) / pi_div_6_deg_expected, 0, lu.EPS ) +lu.assertAlmostEquals( (pi_div_3_deg_expected - pi_div_3_deg_calculated) / pi_div_3_deg_expected, 0, lu.EPS ) \ No newline at end of file -- cgit v1.1-26-g67d0