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| author | Björn Gustavsson <[email protected]> | 2013-01-28 12:16:32 +0100 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2013-01-31 11:11:36 +0100 |
| commit | 819894b14db18c98ea0460cbbb28f3ad2a1d1b1b (patch) | |
| tree | 7d9c1e7e2f60c8ede62dbfa040ae4346887afa77 /erts/doc | |
| parent | 9cfd4261240fffc51ca5aa7d1df5a29a30f42a38 (diff) | |
| download | otp-819894b14db18c98ea0460cbbb28f3ad2a1d1b1b.tar.gz otp-819894b14db18c98ea0460cbbb28f3ad2a1d1b1b.tar.bz2 otp-819894b14db18c98ea0460cbbb28f3ad2a1d1b1b.zip | |
beam_type: Convert integer to float at compile time
In code such as:
X / 2
the following code would be output from beam_type for the division:
{fconv,{x,0},{fr,0}}.
{fconv,{integer,2},{fr,1}}.
fclearerror.
{bif,fdiv,{f,0},[{fr,0},{fr,1}],{fr,0}}.
That is, the integer 2 would be converted to the float 2.0 at
run-time by "{fconv,{integer,2},{fr,1}}". Make sure that we do
the conversion at compile time.
Noticed-by: Richard O'Keefe
Diffstat (limited to 'erts/doc')
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