2017-02-12 14:22:35 -08:00
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const mem = @import("mem.zig");
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2017-05-01 10:12:38 -07:00
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const builtin = @import("builtin");
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2017-02-12 14:22:35 -08:00
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pub fn swapIfLe(comptime T: type, x: T) -> T {
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2017-12-21 21:50:30 -08:00
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return swapIf(false, T, x);
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2016-08-17 20:11:04 -07:00
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}
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2017-02-12 14:22:35 -08:00
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pub fn swapIfBe(comptime T: type, x: T) -> T {
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2017-12-21 21:50:30 -08:00
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return swapIf(true, T, x);
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2016-08-17 20:11:04 -07:00
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}
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2017-12-04 07:35:55 -08:00
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pub fn swapIf(endian: builtin.Endian, comptime T: type, x: T) -> T {
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2017-12-21 21:50:30 -08:00
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return if (builtin.endian == endian) swap(T, x) else x;
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2016-08-17 20:11:04 -07:00
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}
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2017-01-22 16:51:37 -08:00
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pub fn swap(comptime T: type, x: T) -> T {
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2017-02-12 14:22:35 -08:00
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var buf: [@sizeOf(T)]u8 = undefined;
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2017-05-19 07:39:59 -07:00
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mem.writeInt(buf[0..], x, false);
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2018-01-06 15:24:35 -08:00
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return mem.readInt(buf, T, builtin.Endian.Big);
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2016-08-17 20:11:04 -07:00
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}
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