From 2bdcaf319b1d74ffbaccf08a58336f804761beab Mon Sep 17 00:00:00 2001
From: LLLL Colonq <llll@colonq>
Date: Thu, 9 Jul 2026 23:51:55 -0400
Subject: Refactor into monorepo

---
 gastro/src/trig.c | 268 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 268 insertions(+)
 create mode 100644 gastro/src/trig.c

(limited to 'gastro/src/trig.c')

diff --git a/gastro/src/trig.c b/gastro/src/trig.c
new file mode 100644
index 0000000..7f838c1
--- /dev/null
+++ b/gastro/src/trig.c
@@ -0,0 +1,268 @@
+#include <lcq/gastro/trig.h>
+
+static gastro_fix SIN_TABLE[256] = {
+    0x0,
+    0x648,
+    0xc8f,
+    0x12d5,
+    0x1917,
+    0x1f56,
+    0x2590,
+    0x2bc4,
+    0x31f1,
+    0x3817,
+    0x3e33,
+    0x4447,
+    0x4a50,
+    0x504d,
+    0x563e,
+    0x5c22,
+    0x61f7,
+    0x67bd,
+    0x6d74,
+    0x7319,
+    0x78ad,
+    0x7e2e,
+    0x839c,
+    0x88f5,
+    0x8e39,
+    0x9368,
+    0x987f,
+    0x9d7f,
+    0xa267,
+    0xa736,
+    0xabeb,
+    0xb085,
+    0xb504,
+    0xb968,
+    0xbdae,
+    0xc1d8,
+    0xc5e4,
+    0xc9d1,
+    0xcd9f,
+    0xd14d,
+    0xd4db,
+    0xd848,
+    0xdb94,
+    0xdebe,
+    0xe1c5,
+    0xe4aa,
+    0xe76b,
+    0xea09,
+    0xec83,
+    0xeed8,
+    0xf109,
+    0xf314,
+    0xf4fa,
+    0xf6ba,
+    0xf853,
+    0xf9c7,
+    0xfb14,
+    0xfc3b,
+    0xfd3a,
+    0xfe13,
+    0xfec4,
+    0xff4e,
+    0xffb1,
+    0xffec,
+    0xffff,
+    0xffec,
+    0xffb1,
+    0xff4e,
+    0xfec4,
+    0xfe13,
+    0xfd3a,
+    0xfc3b,
+    0xfb14,
+    0xf9c7,
+    0xf853,
+    0xf6ba,
+    0xf4fa,
+    0xf314,
+    0xf109,
+    0xeed8,
+    0xec83,
+    0xea09,
+    0xe76b,
+    0xe4aa,
+    0xe1c5,
+    0xdebe,
+    0xdb94,
+    0xd848,
+    0xd4db,
+    0xd14d,
+    0xcd9f,
+    0xc9d1,
+    0xc5e4,
+    0xc1d8,
+    0xbdae,
+    0xb968,
+    0xb504,
+    0xb085,
+    0xabeb,
+    0xa736,
+    0xa267,
+    0x9d7f,
+    0x987f,
+    0x9368,
+    0x8e39,
+    0x88f5,
+    0x839c,
+    0x7e2e,
+    0x78ad,
+    0x7319,
+    0x6d74,
+    0x67bd,
+    0x61f7,
+    0x5c22,
+    0x563e,
+    0x504d,
+    0x4a50,
+    0x4447,
+    0x3e33,
+    0x3817,
+    0x31f1,
+    0x2bc4,
+    0x2590,
+    0x1f56,
+    0x1917,
+    0x12d5,
+    0xc8f,
+    0x648,
+    0x0,
+    (i64) 0xfffffffffffff9b8,
+    (i64) 0xfffffffffffff371,
+    (i64) 0xffffffffffffed2b,
+    (i64) 0xffffffffffffe6e9,
+    (i64) 0xffffffffffffe0aa,
+    (i64) 0xffffffffffffda70,
+    (i64) 0xffffffffffffd43c,
+    (i64) 0xffffffffffffce0f,
+    (i64) 0xffffffffffffc7e9,
+    (i64) 0xffffffffffffc1cd,
+    (i64) 0xffffffffffffbbb9,
+    (i64) 0xffffffffffffb5b0,
+    (i64) 0xffffffffffffafb3,
+    (i64) 0xffffffffffffa9c2,
+    (i64) 0xffffffffffffa3de,
+    (i64) 0xffffffffffff9e09,
+    (i64) 0xffffffffffff9843,
+    (i64) 0xffffffffffff928c,
+    (i64) 0xffffffffffff8ce7,
+    (i64) 0xffffffffffff8753,
+    (i64) 0xffffffffffff81d2,
+    (i64) 0xffffffffffff7c64,
+    (i64) 0xffffffffffff770b,
+    (i64) 0xffffffffffff71c7,
+    (i64) 0xffffffffffff6c98,
+    (i64) 0xffffffffffff6781,
+    (i64) 0xffffffffffff6281,
+    (i64) 0xffffffffffff5d99,
+    (i64) 0xffffffffffff58ca,
+    (i64) 0xffffffffffff5415,
+    (i64) 0xffffffffffff4f7b,
+    (i64) 0xffffffffffff4afc,
+    (i64) 0xffffffffffff4698,
+    (i64) 0xffffffffffff4252,
+    (i64) 0xffffffffffff3e28,
+    (i64) 0xffffffffffff3a1c,
+    (i64) 0xffffffffffff362f,
+    (i64) 0xffffffffffff3261,
+    (i64) 0xffffffffffff2eb3,
+    (i64) 0xffffffffffff2b25,
+    (i64) 0xffffffffffff27b8,
+    (i64) 0xffffffffffff246c,
+    (i64) 0xffffffffffff2142,
+    (i64) 0xffffffffffff1e3b,
+    (i64) 0xffffffffffff1b56,
+    (i64) 0xffffffffffff1895,
+    (i64) 0xffffffffffff15f7,
+    (i64) 0xffffffffffff137d,
+    (i64) 0xffffffffffff1128,
+    (i64) 0xffffffffffff0ef7,
+    (i64) 0xffffffffffff0cec,
+    (i64) 0xffffffffffff0b06,
+    (i64) 0xffffffffffff0946,
+    (i64) 0xffffffffffff07ad,
+    (i64) 0xffffffffffff0639,
+    (i64) 0xffffffffffff04ec,
+    (i64) 0xffffffffffff03c5,
+    (i64) 0xffffffffffff02c6,
+    (i64) 0xffffffffffff01ed,
+    (i64) 0xffffffffffff013c,
+    (i64) 0xffffffffffff00b2,
+    (i64) 0xffffffffffff004f,
+    (i64) 0xffffffffffff0014,
+    (i64) 0xffffffffffff0001,
+    (i64) 0xffffffffffff0014,
+    (i64) 0xffffffffffff004f,
+    (i64) 0xffffffffffff00b2,
+    (i64) 0xffffffffffff013c,
+    (i64) 0xffffffffffff01ed,
+    (i64) 0xffffffffffff02c6,
+    (i64) 0xffffffffffff03c5,
+    (i64) 0xffffffffffff04ec,
+    (i64) 0xffffffffffff0639,
+    (i64) 0xffffffffffff07ad,
+    (i64) 0xffffffffffff0946,
+    (i64) 0xffffffffffff0b06,
+    (i64) 0xffffffffffff0cec,
+    (i64) 0xffffffffffff0ef7,
+    (i64) 0xffffffffffff1128,
+    (i64) 0xffffffffffff137d,
+    (i64) 0xffffffffffff15f7,
+    (i64) 0xffffffffffff1895,
+    (i64) 0xffffffffffff1b56,
+    (i64) 0xffffffffffff1e3b,
+    (i64) 0xffffffffffff2142,
+    (i64) 0xffffffffffff246c,
+    (i64) 0xffffffffffff27b8,
+    (i64) 0xffffffffffff2b25,
+    (i64) 0xffffffffffff2eb3,
+    (i64) 0xffffffffffff3261,
+    (i64) 0xffffffffffff362f,
+    (i64) 0xffffffffffff3a1c,
+    (i64) 0xffffffffffff3e28,
+    (i64) 0xffffffffffff4252,
+    (i64) 0xffffffffffff4698,
+    (i64) 0xffffffffffff4afc,
+    (i64) 0xffffffffffff4f7b,
+    (i64) 0xffffffffffff5415,
+    (i64) 0xffffffffffff58ca,
+    (i64) 0xffffffffffff5d99,
+    (i64) 0xffffffffffff6281,
+    (i64) 0xffffffffffff6781,
+    (i64) 0xffffffffffff6c98,
+    (i64) 0xffffffffffff71c7,
+    (i64) 0xffffffffffff770b,
+    (i64) 0xffffffffffff7c64,
+    (i64) 0xffffffffffff81d2,
+    (i64) 0xffffffffffff8753,
+    (i64) 0xffffffffffff8ce7,
+    (i64) 0xffffffffffff928c,
+    (i64) 0xffffffffffff9843,
+    (i64) 0xffffffffffff9e09,
+    (i64) 0xffffffffffffa3de,
+    (i64) 0xffffffffffffa9c2,
+    (i64) 0xffffffffffffafb3,
+    (i64) 0xffffffffffffb5b0,
+    (i64) 0xffffffffffffbbb9,
+    (i64) 0xffffffffffffc1cd,
+    (i64) 0xffffffffffffc7e9,
+    (i64) 0xffffffffffffce0f,
+    (i64) 0xffffffffffffd43c,
+    (i64) 0xffffffffffffda70,
+    (i64) 0xffffffffffffe0aa,
+    (i64) 0xffffffffffffe6e9,
+    (i64) 0xffffffffffffed2b,
+    (i64) 0xfffffffffffff371,
+    (i64) 0xfffffffffffff9b8
+};
+
+gastro_fix gastro_sin(u8 turns) {
+    return SIN_TABLE[turns];
+}
+
+gastro_fix gastro_cos(u8 turns) {
+    return SIN_TABLE[(u8) (turns + 64)];
+}
-- 
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