Hi All,
I am playing around with a mocked-up recast facility.
The following fails.
proc fp754putZ(v : uint(?w)) : real(w)
{
return jam(real(w), v);
}
module T
{
proc main()
{
type R = real(32);
type U = uint(numBits(R));
const zero = 0:U;
writeln(fp754putZ(zero));
}
}
However, if I use
proc fpReal(type T) type where T == uint(32) return real(32);
proc fpReal(type T) type where T == uint(64) return real(64);
to provide the types of the variable and return for fp754putZ, then
this works.
proc fp754putZ(v : ?Zsef) : fpReal(Zsef)
{
return jam(fpReal(Zsef), v);
}
module T
{
proc main()
{
type R = real(32);
type U = uint(numBits(R));
const zero = 0:U;
writeln(fp754putZ(zero));
}
}
What am I doing wrong?
Happy to share the full test code. What is the protocol for sharing a
total of 3 files, a .chpl, a .c and a .h. Put a shar-file in the body or
just attach the stuff. Total line count is 61 lines.
For the record, the mirror image which follows of the offensive little
nuisance above, works!
proc fp754getZ(v : real(?w)) : uint(w)
{
return jam(uint(w), v);
}
Regards - Damian
Pacific Engineering Systems International, 277-279 Broadway, Glebe NSW 2037
Ph:+61-2-8571-0847 .. Fx:+61-2-9692-9623 | unsolicited email not wanted here
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