Add ad and thaumaturgy, both properly formatted. - tgtimes - The Gopher Times
HTML git clone git://bitreich.org/tgtimes git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/tgtimes
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---
DIR commit 87ae78486c1766cc3900454f1139535d4b87fae7
DIR parent c6100f10c46523c4fd753bb413e7e848662b61f5
HTML Author: Christoph Lohmann <20h@r-36.net>
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(-)
---
DIR 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 |
+| |
+| |
+| |
+| |
++------------------------------------------------------------------------+
DIR 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));
+}