From 9bbef8bd2cc004ca1baa2306a8c42120eb5fdc36 Mon Sep 17 00:00:00 2001
From: quou <quou@disroot.org>
Date: Wed, 17 Jul 2024 21:28:38 +1000
Subject: Square root approx function and normalise.

---
 maths.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'maths.h')

diff --git a/maths.h b/maths.h
index af2a027..e72f8fd 100644
--- a/maths.h
+++ b/maths.h
@@ -21,6 +21,7 @@ extern int sqrt_table[sqrt_table_count];
 void init_maths(void);
 
 int fpow(int a, int p);
+int fsqrt(int a);
 
 int* mtx_iden(int* m);
 int* mtx_cpy(int* d, const int* s);
@@ -41,6 +42,8 @@ int* mtx_apply(const int* m, int* v);
 int* vec_cpy(int* d, const int* s, int c);
 int* vec_ref(int* d, const int* i, const int* n, int c);
 int vec_dot(const int* a, const int* b, int d);
+int* vec_nrm(int* d, const int* a, int c);
+int* vec_minise(int* d, const int* a, int c);
 int* persp(int* v, int asp);
 int* ndc2clip(const int* c, int* p);
 
-- 
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