From 0d54e2ae4c473be47dba69ef6d560c49cc86d053 Mon Sep 17 00:00:00 2001
From: Anghelo Carvajal <angheloalf95@gmail.com>
Date: Thu, 10 Aug 2023 11:41:19 -0400
Subject: `libc64.a` identification (#45)

* __osMalloc

* aprintf.c

* math64.c

* qrand.c

* sleep.c

* sprintf.c

* malloc.c

* fixes

* fp and math64 cleanup

* RAD_TO_BINANG
---
 src/code/sys_matrix.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

(limited to 'src/code/sys_matrix.c')

diff --git a/src/code/sys_matrix.c b/src/code/sys_matrix.c
index b2af7fd..815677e 100644
--- a/src/code/sys_matrix.c
+++ b/src/code/sys_matrix.c
@@ -44,7 +44,7 @@
 #include "z64math.h"
 #include "gfx.h"
 #include "m_skin_matrix.h"
-#include "mathf.h"
+#include "libc64/math64.h"
 #include "m_lib.h"
 
 // clang-format off
@@ -1163,7 +1163,7 @@ void Matrix_to_rotate_new(MtxF* src, Vec3s* dest, s32 nonUniformScale) {
     temp = src->xz;
     temp *= temp;
     temp += SQ(src->zz);
-    dest->x = (Math_FAtan2F(-src->yz, sqrtf(temp))) * 10430.378f;
+    dest->x = RAD_TO_BINANG(fatan2(-src->yz, sqrtf(temp)));
 
     if ((dest->x == 0x4000) || (dest->x == -0x4000)) {
         // cos(x) = 0 if either of these is true, and we get gimbal locking
@@ -1171,13 +1171,13 @@ void Matrix_to_rotate_new(MtxF* src, Vec3s* dest, s32 nonUniformScale) {
         // well-defined.
         dest->z = 0;
 
-        dest->y = Math_FAtan2F(-src->zx, src->xx) * 10430.378f;
+        dest->y = RAD_TO_BINANG(fatan2(-src->zx, src->xx));
     } else {
-        dest->y = Math_FAtan2F(src->xz, src->zz) * 10430.378f;
+        dest->y = RAD_TO_BINANG(fatan2(src->xz, src->zz));
 
         if (!nonUniformScale) {
             // assume the columns have the same normalisation
-            dest->z = Math_FAtan2F(src->yx, src->yy) * 10430.378f;
+            dest->z = RAD_TO_BINANG(fatan2(src->yx, src->yy));
         } else {
             temp = src->xx;
             temp2 = src->zx;
@@ -1203,7 +1203,7 @@ void Matrix_to_rotate_new(MtxF* src, Vec3s* dest, s32 nonUniformScale) {
             temp2 = temp3 / temp2; // yy in normalised column
 
             // for a rotation matrix, temp == yx and temp2 == yy which is the same as in the !nonUniformScale branch
-            dest->z = Math_FAtan2F(temp, temp2) * 10430.378f;
+            dest->z = RAD_TO_BINANG(fatan2(temp, temp2));
         }
     }
 }
@@ -1232,16 +1232,16 @@ void Matrix_to_rotate2_new(MtxF* src, Vec3s* dest, s32 nonUniformScale) {
     temp = src->xx;
     temp *= temp;
     temp += SQ(src->yx);
-    dest->y = Math_FAtan2F(-src->zx, sqrtf(temp)) * 10430.378f;
+    dest->y = RAD_TO_BINANG(fatan2(-src->zx, sqrtf(temp)));
 
     if ((dest->y == 0x4000) || (dest->y == -0x4000)) {
         dest->x = 0;
-        dest->z = Math_FAtan2F(-src->xy, src->yy) * 10430.378f;
+        dest->z = RAD_TO_BINANG(fatan2(-src->xy, src->yy));
     } else {
-        dest->z = Math_FAtan2F(src->yx, src->xx) * 10430.378f;
+        dest->z = RAD_TO_BINANG(fatan2(src->yx, src->xx));
 
         if (!nonUniformScale) {
-            dest->x = Math_FAtan2F(src->zy, src->zz) * 10430.378f;
+            dest->x = RAD_TO_BINANG(fatan2(src->zy, src->zz));
         } else {
             temp = src->xy;
             temp2 = src->yy;
@@ -1262,7 +1262,7 @@ void Matrix_to_rotate2_new(MtxF* src, Vec3s* dest, s32 nonUniformScale) {
             temp2 = sqrtf(temp2);
             temp2 = temp3 / temp2;
 
-            dest->x = Math_FAtan2F(temp, temp2) * 10430.378f;
+            dest->x = RAD_TO_BINANG(fatan2(temp, temp2));
         }
     }
 }
-- 
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