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Fixed floating point byte swapping.

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This commit is contained in:
Ferdinand Majerech 2014-11-21 23:09:45 +01:00
parent 208b3aa85c
commit 5ccfe7534b
1 changed files with 17 additions and 1 deletions
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18
source/tinyendian.d
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@ -22,6 +22,21 @@ enum UTFEncoding : ubyte
UTF_32 UTF_32
} }
unittest
{
const ints = [314, -101];
int[2] intsSwapBuffer = ints;
swapByteOrder(intsSwapBuffer[]);
swapByteOrder(intsSwapBuffer[]);
assert(ints == intsSwapBuffer, "Lost information when swapping byte order");
const floats = [3.14f, 10.1f];
float[2] floatsSwapBuffer = floats;
swapByteOrder(floatsSwapBuffer[]);
swapByteOrder(floatsSwapBuffer[]);
assert(floats == floatsSwapBuffer, "Lost information when swapping byte order");
}
@system pure nothrow @nogc: @system pure nothrow @nogc:
/// Swap byte order of items in an array in place. /// Swap byte order of items in an array in place.
@ -43,7 +58,8 @@ void swapByteOrder(T)(T[] array)
} }
else static if(T.sizeof == 4) else static if(T.sizeof == 4)
{ {
item = bswap(cast(uint)item); const swapped = bswap(*cast(uint*)&item);
item = *cast(const(T)*)&swapped;
} }
else static assert(false, "Unsupported T: " ~ T.stringof); else static assert(false, "Unsupported T: " ~ T.stringof);
} }