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Re^6: powerpc double-double arithmetic

by syphilis (Canon)
on Oct 10, 2013 at 12:26 UTC ( #1057733=note: print w/ replies, xml ) Need Help??


in reply to Re^5: powerpc double-double arithmetic
in thread powerpc double-double arithmetic

The basics of its arithmetic is here.
There's no 128 bit FP math with its gcc-4.6.3 compiler. I think the double-double technique precludes it. (Every other gcc-4.6.3 that I've seen has a quadmath.h that provides the __float128 type, but not this one - which is provided by Debian specifically for the PowerPC architecture.)

Cheers,
Rob


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