diff options
Diffstat (limited to 'lib/compiler')
| -rw-r--r-- | lib/compiler/src/beam_type.erl | 1 | ||||
| -rw-r--r-- | lib/compiler/src/beam_validator.erl | 1 | ||||
| -rw-r--r-- | lib/compiler/src/erl_bifs.erl | 1 | ||||
| -rw-r--r-- | lib/compiler/test/float_SUITE.erl | 7 |
4 files changed, 10 insertions, 0 deletions
diff --git a/lib/compiler/src/beam_type.erl b/lib/compiler/src/beam_type.erl index b4776294be..d324580cba 100644 --- a/lib/compiler/src/beam_type.erl +++ b/lib/compiler/src/beam_type.erl @@ -594,6 +594,7 @@ is_math_bif(atan2, 2) -> true; is_math_bif(pow, 2) -> true; is_math_bif(ceil, 1) -> true; is_math_bif(floor, 1) -> true; +is_math_bif(fmod, 2) -> true; is_math_bif(pi, 0) -> true; is_math_bif(_, _) -> false. diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl index 6e53f53a20..5659077c5d 100644 --- a/lib/compiler/src/beam_validator.erl +++ b/lib/compiler/src/beam_validator.erl @@ -1646,6 +1646,7 @@ return_type_math(atan2, 2) -> {float,[]}; return_type_math(pow, 2) -> {float,[]}; return_type_math(ceil, 1) -> {float,[]}; return_type_math(floor, 1) -> {float,[]}; +return_type_math(fmod, 2) -> {float,[]}; return_type_math(pi, 0) -> {float,[]}; return_type_math(F, A) when is_atom(F), is_integer(A), A >= 0 -> term. diff --git a/lib/compiler/src/erl_bifs.erl b/lib/compiler/src/erl_bifs.erl index 831730ba48..d60f73d421 100644 --- a/lib/compiler/src/erl_bifs.erl +++ b/lib/compiler/src/erl_bifs.erl @@ -138,6 +138,7 @@ is_pure(math, erf, 1) -> true; is_pure(math, erfc, 1) -> true; is_pure(math, exp, 1) -> true; is_pure(math, floor, 1) -> true; +is_pure(math, fmod, 2) -> true; is_pure(math, log, 1) -> true; is_pure(math, log2, 1) -> true; is_pure(math, log10, 1) -> true; diff --git a/lib/compiler/test/float_SUITE.erl b/lib/compiler/test/float_SUITE.erl index 0ebc71eb9b..08c3dd8593 100644 --- a/lib/compiler/test/float_SUITE.erl +++ b/lib/compiler/test/float_SUITE.erl @@ -155,6 +155,13 @@ math_functions(Config) when is_list(Config) -> 5.0 = math:floor(id(5.4)), 6.0 = math:ceil(id(5.4)), + 0.0 = math:fmod(42, 42), + 0.25 = math:fmod(1, 0.75), + -1.0 = math:fmod(-4.0, 1.5), + -0.375 = math:fmod(-3.0, -0.875), + 0.125 = math:fmod(8.125, -4), + {'EXIT',{badarith,_}} = (catch math:fmod(5.0, 0.0)), + %% Only for coverage (of beam_type.erl). {'EXIT',{undef,_}} = (catch math:fnurfla(0)), {'EXIT',{undef,_}} = (catch math:fnurfla(0, 0)), |