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	Add ad and thaumaturgy, both properly formatted. - tgtimes - The Gopher Times
	git clone git://bitreich.org/tgtimes git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws…
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	---
	commit 87ae78486c1766cc3900454f1139535d4b87fae7
	parent c6100f10c46523c4fd753bb413e7e848662b61f5
	Author: Christoph Lohmann <[email protected]>
	Date: Sun, 27 Aug 2023 20:47:30 +0200

	Add ad and thaumaturgy, both properly formatted.

	Diffstat:
	A opus7/6-advertisement-3517.raw \| 25 +++++++++++++++++++++++++
	A opus7/7-thaumaturgy-7964.md \| 16 ++++++++++++++++

	2 files changed, 41 insertions(+), 0 deletions(-)
	---
	diff --git a/opus7/6-advertisement-3517.raw b/opus7/6-advertisement-3517.raw
	@@ -0,0 +1,25 @@
	++------------------------------------------------------------------------+
	+\| \|
	+\| ADVERTISEMENT \|
	+\| \|
	+\| \|
	+\| * You really want this cat to be weber-cooked? \|
	+\| \|
	+\| ______________________ \|
	+\| \| Meow \|..\| \|
	+\| \| / \|oo\| \|
	+\| * NO? \| o o \|/\\| \|
	+\| \| (m) . \|\/\| \|
	+\| \|____(___)________\|__\| \|
	+\| \|
	+\| \|
	+\| * You can only stop us by talking to us at: \|
	+\| \|
	+\| \|
	+\| \|
	+\| #bitreich-cooking on irc.bitreich.org \|
	+\| \|
	+\| \|
	+\| \|
	+\| \|
	++------------------------------------------------------------------------+
	diff --git a/opus7/7-thaumaturgy-7964.md b/opus7/7-thaumaturgy-7964.md
	@@ -0,0 +1,16 @@
	+# This's opus C Thaumaturgy
	+
	+// Returns the smaller integer of x and y but without a branch
	+// (if/else/ternary, goto etc..)
	+// Normally min is implemented something like this:
	+// return x < y ? x : y;
	+// But we have a branch there so let's do it witout. (The branch
	+// free min could be used to merge arrays for example.)
	+// If x < y, then -(x < y) => -1 => all 1's in two complement
	+// representation.
	+// So we have y ^ (x ^ y) => x
	+// If x >= y, then -(x < y) => 0 so y ^ 0 is y.
	+
	+static inline uint8_t min(const uint8_t x, const uint8_t y) {
	+ return y ^ ((x ^ y) & -(x < y));
	+}