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-rw-r--r--lib/compiler/src/beam_type.erl2
-rw-r--r--lib/compiler/src/beam_validator.erl2
-rw-r--r--lib/compiler/src/erl_bifs.erl2
-rw-r--r--lib/compiler/test/float_SUITE.erl5
4 files changed, 11 insertions, 0 deletions
diff --git a/lib/compiler/src/beam_type.erl b/lib/compiler/src/beam_type.erl
index acaf3ede66..b4776294be 100644
--- a/lib/compiler/src/beam_type.erl
+++ b/lib/compiler/src/beam_type.erl
@@ -592,6 +592,8 @@ is_math_bif(log10, 1) -> true;
is_math_bif(sqrt, 1) -> true;
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(pi, 0) -> true;
is_math_bif(_, _) -> false.
diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl
index fd340bdabc..61aea57906 100644
--- a/lib/compiler/src/beam_validator.erl
+++ b/lib/compiler/src/beam_validator.erl
@@ -1642,6 +1642,8 @@ return_type_math(log10, 1) -> {float,[]};
return_type_math(sqrt, 1) -> {float,[]};
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(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 7240592e16..7693daaa56 100644
--- a/lib/compiler/src/erl_bifs.erl
+++ b/lib/compiler/src/erl_bifs.erl
@@ -131,11 +131,13 @@ is_pure(math, asinh, 1) -> true;
is_pure(math, atan, 1) -> true;
is_pure(math, atan2, 2) -> true;
is_pure(math, atanh, 1) -> true;
+is_pure(math, ceil, 1) -> true;
is_pure(math, cos, 1) -> true;
is_pure(math, cosh, 1) -> true;
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, 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 f6095947ca..0ebc71eb9b 100644
--- a/lib/compiler/test/float_SUITE.erl
+++ b/lib/compiler/test/float_SUITE.erl
@@ -150,6 +150,11 @@ math_functions(Config) when is_list(Config) ->
?OPTIONAL(0.0, math:erf(id(0))),
?OPTIONAL(1.0, math:erfc(id(0))),
+ 5.0 = math:floor(5.6),
+ 6.0 = math:ceil(5.6),
+ 5.0 = math:floor(id(5.4)),
+ 6.0 = math:ceil(id(5.4)),
+
%% Only for coverage (of beam_type.erl).
{'EXIT',{undef,_}} = (catch math:fnurfla(0)),
{'EXIT',{undef,_}} = (catch math:fnurfla(0, 0)),