Thanks for your answers (Jon and Niki).
I was not aware about that behaviour difference between ocamlc and
ocamlopt...
Pierre
Le 02/12/2011 02:46, Jon Harrop a écrit :
You'll probably have to do a lot of work to get the same floating point
behaviour from OCaml. Firstly, OCaml compiled with ocamlopt often retains 80
bits of precision when processing in registers. Secondly, the Java
specification mandates more accurate handling of some functions, e.g.
trigonometric functions. Note that floats are treated differently by code
compiled with ocamlc and ocamlopt.
Cheers,
Jon.
-----Original Message-----
From: Pierre Vittet [mailto:[email protected]]
Sent: 01 December 2011 16:46
To: [email protected]
Subject: [Caml-list] float on 32 bits?
Hello!
I am using ocaml to analyse java bytecode (http://javalib.gforge.inria.fr/). The
fact is that java has a float type which is coded on 32 bits and a double type
which is coded on 64 bits. I need to make corresponding types but ocaml only
has a float coded on 64 bits (IEE 754 norm, which java respect too), so I don"t
know how to get the float 32 bits.
Is there some Float32 module? I cannot just place my float 32 into a float 64
because I need to get same behaviour on basic operations.
Thanks!
Pierre Vittet
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