diff options
-rw-r--r-- | erts/emulator/sys/common/erl_sys_common_misc.c | 3 | ||||
-rw-r--r-- | erts/emulator/test/num_bif_SUITE.erl | 1 | ||||
-rw-r--r-- | lib/stdlib/src/ms_transform.erl | 6 |
3 files changed, 7 insertions, 3 deletions
diff --git a/erts/emulator/sys/common/erl_sys_common_misc.c b/erts/emulator/sys/common/erl_sys_common_misc.c index 2541ab5d31..d34e1a9ec0 100644 --- a/erts/emulator/sys/common/erl_sys_common_misc.c +++ b/erts/emulator/sys/common/erl_sys_common_misc.c @@ -176,6 +176,7 @@ sys_double_to_chars_fast(double f, char *buffer, int buffer_size, int decimals, double af; Uint64 int_part, frac_part; int neg; + int has_decimals = decimals != 0; char *p = buffer; if (decimals < 0) @@ -257,7 +258,7 @@ sys_double_to_chars_fast(double f, char *buffer, int buffer_size, int decimals, } /* Delete trailing zeroes */ - if (compact) + if (compact && has_decimals) p = find_first_trailing_zero(p); *p = '\0'; return p - buffer; diff --git a/erts/emulator/test/num_bif_SUITE.erl b/erts/emulator/test/num_bif_SUITE.erl index 700734cd0b..f15217814a 100644 --- a/erts/emulator/test/num_bif_SUITE.erl +++ b/erts/emulator/test/num_bif_SUITE.erl @@ -161,6 +161,7 @@ t_float_to_string(Config) when is_list(Config) -> test_fts("1.000",1.0, [{decimals, 3}]), test_fts("1.0",1.0, [{decimals, 1}]), test_fts("1.0",1.0, [{decimals, 3}, compact]), + test_fts("10",10.0, [{decimals, 0}, compact]), test_fts("1.12",1.123, [{decimals, 2}]), test_fts("1.123",1.123, [{decimals, 3}]), test_fts("1.123",1.123, [{decimals, 3}, compact]), diff --git a/lib/stdlib/src/ms_transform.erl b/lib/stdlib/src/ms_transform.erl index d117481d2e..3845e35e9b 100644 --- a/lib/stdlib/src/ms_transform.erl +++ b/lib/stdlib/src/ms_transform.erl @@ -224,10 +224,12 @@ transform_from_shell(Dialect, Clauses, BoundEnvironment) -> %% Called when translating during compiling %% --spec parse_transform(Forms, Options) -> Forms2 when +-spec parse_transform(Forms, Options) -> Forms2 | Errors | Warnings when Forms :: [erl_parse:abstract_form() | erl_parse:form_info()], Forms2 :: [erl_parse:abstract_form() | erl_parse:form_info()], - Options :: term(). + Options :: term(), + Errors :: {error, ErrInfo :: [tuple()], WarnInfo :: []}, + Warnings :: {warning, Forms2, WarnInfo :: [tuple()]}. parse_transform(Forms, _Options) -> SaveFilename = setup_filename(), |