Mercurial > projects > ldc
diff lphobos/typeinfo2/ti_Areal.d @ 61:0258a7171a42 trunk
[svn r65] Added typeinfo implementations for float[], double[] and real[]
author | lindquist |
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date | Thu, 25 Oct 2007 09:26:17 +0200 |
parents | |
children | b86e00b938a5 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lphobos/typeinfo2/ti_Areal.d Thu Oct 25 09:26:17 2007 +0200 @@ -0,0 +1,113 @@ +/* + * Copyright (C) 2004-2006 by Digital Mars, www.digitalmars.com + * Written by Walter Bright + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, in both source and binary form, subject to the following + * restrictions: + * + * o The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * o Altered source versions must be plainly marked as such, and must not + * be misrepresented as being the original software. + * o This notice may not be removed or altered from any source + * distribution. + */ + +module typeinfo2.ti_Areal; + +private import typeinfo1.ti_real; + +// real[] + +class TypeInfo_Ae : TypeInfo +{ + char[] toString() { return "real[]"; } + + hash_t getHash(void *p) + { real[] s = *cast(real[]*)p; + size_t len = s.length; + auto str = s.ptr; + hash_t hash = 0; + + while (len) + { + hash *= 9; + hash += (cast(uint *)str)[0]; + hash += (cast(uint *)str)[1]; + hash += (cast(ushort *)str)[4]; + str++; + len--; + } + + return hash; + } + + int equals(void *p1, void *p2) + { + real[] s1 = *cast(real[]*)p1; + real[] s2 = *cast(real[]*)p2; + size_t len = s1.length; + + if (len != s2.length) + return 0; + for (size_t u = 0; u < len; u++) + { + int c = TypeInfo_e._equals(s1[u], s2[u]); + if (c == 0) + return 0; + } + return 1; + } + + int compare(void *p1, void *p2) + { + real[] s1 = *cast(real[]*)p1; + real[] s2 = *cast(real[]*)p2; + size_t len = s1.length; + + if (s2.length < len) + len = s2.length; + for (size_t u = 0; u < len; u++) + { + int c = TypeInfo_e._compare(s1[u], s2[u]); + if (c) + return c; + } + return cast(int)s1.length - cast(int)s2.length; + } + + size_t tsize() + { + return (real[]).sizeof; + } + + uint flags() + { + return 1; + } + + TypeInfo next() + { + return typeid(real); + } +} + +// ireal[] +version(none) +class TypeInfo_Aj : TypeInfo_Ae +{ + char[] toString() { return "ireal[]"; } + + TypeInfo next() + { + return typeid(ireal); + } +}