Mercurial > projects > ldc
view lphobos/typeinfo1/ti_creal.d @ 1168:ab186e535e72
A different fix to #218 and DMD2682 that does not lead to constant folding regressions.
Fixes run/const_15, run/c/const_16_B.
The price is removing the lvalueness of struct literals. If it turns out too
much code depends on this behavior or we don't want to break with DMD, we
could keep struct literals as lvalues and instead convert struct literals used
as expression initializers into struct initializers.
author | Christian Kamm <kamm incasoftware de> |
---|---|
date | Sun, 29 Mar 2009 11:43:45 +0200 |
parents | 79c9ac745fbc |
children |
line wrap: on
line source
// creal module typeinfo1.ti_creal; class TypeInfo_c : TypeInfo { char[] toString() { return "creal"; } hash_t getHash(void *p) { return (cast(uint *)p)[0] + (cast(uint *)p)[1] + (cast(uint *)p)[2] + (cast(uint *)p)[3] + (cast(uint *)p)[4]; } static int _equals(creal f1, creal f2) { return f1 == f2; } static int _compare(creal f1, creal f2) { int result; if (f1.re < f2.re) result = -1; else if (f1.re > f2.re) result = 1; else if (f1.im < f2.im) result = -1; else if (f1.im > f2.im) result = 1; else result = 0; return result; } int equals(void *p1, void *p2) { return _equals(*cast(creal *)p1, *cast(creal *)p2); } int compare(void *p1, void *p2) { return _compare(*cast(creal *)p1, *cast(creal *)p2); } size_t tsize() { return creal.sizeof; } void swap(void *p1, void *p2) { creal t; t = *cast(creal *)p1; *cast(creal *)p1 = *cast(creal *)p2; *cast(creal *)p2 = t; } void[] init() { static creal r; return (cast(creal *)&r)[0 .. 1]; } }