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| author | Lukas Larsson <[email protected]> | 2011-10-11 17:18:41 +0200 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2011-10-11 17:18:41 +0200 |
| commit | 0ab6d70a34f5e2fbfdeb6235024a1d5e83cab64f (patch) | |
| tree | 8d1c318facc782fe8af08ae03067944abe7c0cd3 /erts/emulator | |
| parent | 5afcc1900d858984143c673aca5c1639d12f9e84 (diff) | |
| download | otp-0ab6d70a34f5e2fbfdeb6235024a1d5e83cab64f.tar.gz otp-0ab6d70a34f5e2fbfdeb6235024a1d5e83cab64f.tar.bz2 otp-0ab6d70a34f5e2fbfdeb6235024a1d5e83cab64f.zip | |
Expand tests for float and number comparison
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/test/float_SUITE.erl | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/erts/emulator/test/float_SUITE.erl b/erts/emulator/test/float_SUITE.erl index e2e9b9120c..a8cc3b9a3f 100644 --- a/erts/emulator/test/float_SUITE.erl +++ b/erts/emulator/test/float_SUITE.erl @@ -193,7 +193,7 @@ cmp_zero(_Config) -> cmp_integer(_Config) -> Axis = (1 bsl 53)-2.0, %% The point where floating points become unprecise span_cmp(Axis,2,200), - cmp(Axis*Axis, round(Axis)). + cmp(Axis*Axis,round(Axis)). cmp_bignum(_Config) -> span_cmp((1 bsl 58) - 1.0),%% Smallest bignum float @@ -202,23 +202,39 @@ cmp_bignum(_Config) -> [span_cmp((1 bsl (32*I)) - 1.0) || I <- lists:seq(2,30)], cmp((1 bsl (64*16)) - 1, (1 bsl (64*15)) * 1.0), + [cmp((1 bsl (32*I)) - 1, (1 bsl (32*(I-2))) * 1.0) || I <- lists:seq(3,30)], ok. span_cmp(Axis) -> - span_cmp(Axis, 50). + span_cmp(Axis, 25). span_cmp(Axis, Length) -> span_cmp(Axis, round(Axis) bsr 52, Length). span_cmp(Axis, Incr, Length) -> - [cmp(round(Axis*-1.0)+1+I*Incr,Axis*-1.0+I*Incr) - || I <- lists:seq((Length div 2)*-1,(Length div 2))], - [cmp(round(Axis)+1+I*Incr,Axis+I*Incr) || - I <- lists:seq((Length div 2)*-1,(Length div 2))]. - -cmp(Big,Small) -> + [span_cmp(Axis, Incr, Length, 1 bsl (1 bsl I)) || I <- lists:seq(0,6)]. +span_cmp(Axis, Incr, Length, Diff) -> + [begin + cmp(round(Axis*-1.0)+Diff+I*Incr,Axis*-1.0+I*Incr), + cmp(Axis*-1.0+I*Incr,round(Axis*-1.0)-Diff+I*Incr) + end || I <- lists:seq((Length div 2)*-1,(Length div 2))], + [begin + cmp(round(Axis)+Diff+I*Incr,Axis+I*Incr), + cmp(Axis+I*Incr,round(Axis)-Diff+I*Incr) + end || I <- lists:seq((Length div 2)*-1,(Length div 2))]. + +cmp(Big,Small) when is_float(Big) -> + BigSmall = lists:flatten( + io_lib:format("~f > ~p",[Big,Small])), + SmallBig = lists:flatten( + io_lib:format("~f < ~p",[Big,Small])), + cmp(Big,Small,BigSmall,SmallBig); +cmp(Big,Small) when is_float(Small) -> BigSmall = lists:flatten( - io_lib:format("~p > ~p",[Big,Small])), + io_lib:format("~p > ~f",[Big,Small])), SmallBig = lists:flatten( - io_lib:format("~p < ~p",[Big,Small])), + io_lib:format("~p < ~f",[Big,Small])), + cmp(Big,Small,BigSmall,SmallBig). + +cmp(Big,Small,BigSmall,SmallBig) -> {_,_,_,true} = {Big,Small,BigSmall, Big > Small}, {_,_,_,false} = {Big,Small,SmallBig, |