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Message-ID: <20240612165430.GK3766212@port70.net> Date: Wed, 12 Jun 2024 18:54:30 +0200 From: Szabolcs Nagy <nsz@...t70.net> To: musl@...ts.openwall.com Cc: Meng Zhuo <mzh@....io> Subject: Re: [PATCH v3] math: add riscv64 round/roundf * Szabolcs Nagy <nsz@...t70.net> [2024-06-12 18:50:04 +0200]: > > +double round(double x) > > +{ > > + if (!isfinite(x)) return x; > > !isfinite(x) && fabs(x) >= 0x1p52 i meant ||, not && > > otherwise n can overflow below. > > (note that the check can be a single cmp+branch on the bit representation of x)
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