Mercurial > projects > ddmd
view dmd/Port.d @ 146:af7e5ebef6ad
redundant extern(C)
author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
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date | Tue, 14 Sep 2010 23:34:50 +0100 |
parents | e28b18c23469 |
children |
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module dmd.Port; import dmd.common; import core.stdc.math; struct Port { static int isSignallingNan(double r) { /* A signalling NaN is a NaN with 0 as the most significant bit of * its significand, which is bit 51 of 0..63 for 64 bit doubles. */ return isnan(r) && !(((cast(ubyte*)&r)[6]) & 8); } static int isSignallingNan(ref real r) { /* A signalling NaN is a NaN with 0 as the most significant bit of * its significand, which is bit 62 of 0..79 for 80 bit reals. */ return isnan(r) && !(((cast(ubyte*)&r)[7]) & 0x40); } }