From f57f2f3afc45c924448a7cea0d5a6ebb45f02796 Mon Sep 17 00:00:00 2001
From: Luc Girod <luc@gluc.ch>
Date: Sat, 5 Jul 2014 01:46:01 +0200
Subject: [PATCH] Warning fix. Thanks to Martin.

---
 sweet_matrix.c       | 28 ++++++++++++++--------------
 sweet_matrix.h       | 14 +++++++-------
 sweet_matrix_stack.c | 14 +++++++-------
 sweet_matrix_stack.h |  8 ++++----
 4 files changed, 32 insertions(+), 32 deletions(-)

diff --git a/sweet_matrix.c b/sweet_matrix.c
index 4d893c6..a39911c 100644
--- a/sweet_matrix.c
+++ b/sweet_matrix.c
@@ -25,7 +25,7 @@
 #include "sweet_types.h"
 
 mat2
-sweet_matrix_null2 ()
+sweet_matrix_null2 (void)
 {
     mat2 m;
 
@@ -39,7 +39,7 @@ sweet_matrix_null2 ()
 }
 
 mat3
-sweet_matrix_null3 ()
+sweet_matrix_null3 (void)
 {
     mat3 m;
 
@@ -59,7 +59,7 @@ sweet_matrix_null3 ()
 }
 
 mat4
-sweet_matrix_null4 ()
+sweet_matrix_null4 (void)
 {
     mat4 m;
 
@@ -88,7 +88,7 @@ sweet_matrix_null4 ()
 
 
 mat2
-sweet_matrix_identity2 ()
+sweet_matrix_identity2 (void)
 {
     mat2 m;
 
@@ -102,7 +102,7 @@ sweet_matrix_identity2 ()
 }
 
 mat3
-sweet_matrix_identity3 ()
+sweet_matrix_identity3 (void)
 {
     mat3 m;
 
@@ -122,7 +122,7 @@ sweet_matrix_identity3 ()
 }
 
 mat4
-sweet_matrix_identity4 ()
+sweet_matrix_identity4 (void)
 {
     mat4 m;
 
@@ -268,7 +268,7 @@ sweet_matrix_look_at (vec3 pos, vec3 dir, vec3 up)
     m.v[14] = pos.x * dir.x + pos.y * dir.y + pos.z * dir.z;
     m.v[15] = 1;
 
-    return m; 
+    return m;
 }
 
 mat3
@@ -509,7 +509,7 @@ sweet_matrix_scale2 (float x, float y)
 }
 
 mat4
-sweet_matrix_texture_bias ()
+sweet_matrix_texture_bias (void)
 {
     mat4 m;
     m.v[0] = 0.5;
@@ -1083,7 +1083,7 @@ static void swap_rows (mat3 * a, float * s, int l1, int l2)
 {
     float tmp;
     if (l1 == l2) { return; }
-    
+
     /* swap left part */
     tmp = s[l1];
     s[l1] = s[l2];
@@ -1093,7 +1093,7 @@ static void swap_rows (mat3 * a, float * s, int l1, int l2)
     tmp = a->v[l1];
     a->v[l1] = a->v[l2];
     a->v[l2] = tmp;
-    
+
     /* swap second column */
     l1 += 3;
     l2 += 3;
@@ -1126,14 +1126,14 @@ static void substract_row (mat3 * a, float * s, int l1, int l2, int i)
     {
         r = - a->v[l2];
         a->v[l2] = 0;
-        a->v[l2+3] = a->v[l2+3] + a->v[l1+3] * r; 
-        a->v[l2+6] = a->v[l2+6] + a->v[l1+6] * r; 
+        a->v[l2+3] = a->v[l2+3] + a->v[l1+3] * r;
+        a->v[l2+6] = a->v[l2+6] + a->v[l1+6] * r;
     }
     else if (i == 1)
     {
         r = - a->v[l2+3];
         a->v[l2+3] = 0;
-        a->v[l2+6] = a->v[l2+6] + a->v[l1+6] * r; 
+        a->v[l2+6] = a->v[l2+6] + a->v[l1+6] * r;
     }
     else if (i == 2)
     {
@@ -1245,7 +1245,7 @@ static void get_eigen_vector (vec3 * v, mat3 * a, float h)
         free_value = 1;
         v->z = 1;
     }
-    
+
     if (!free_value &&
         sweet_math_approx_equals (a->v[2], 0, EPSILON) &&
         sweet_math_approx_equals (a->v[5], 0, EPSILON) &&
diff --git a/sweet_matrix.h b/sweet_matrix.h
index 8f4c1be..45555c4 100644
--- a/sweet_matrix.h
+++ b/sweet_matrix.h
@@ -25,15 +25,15 @@
 
 /** Null Matrix */
 /** @return Null matrix */
-mat2 sweet_matrix_null2 ();
-mat3 sweet_matrix_null3 ();
-mat4 sweet_matrix_null4 ();
+mat2 sweet_matrix_null2 (void);
+mat3 sweet_matrix_null3 (void);
+mat4 sweet_matrix_null4 (void);
 
 /** Identity */
 /** @return Indentity matrix */
-mat2 sweet_matrix_identity2 ();
-mat3 sweet_matrix_identity3 ();
-mat4 sweet_matrix_identity4 ();
+mat2 sweet_matrix_identity2 (void);
+mat3 sweet_matrix_identity3 (void);
+mat4 sweet_matrix_identity4 (void);
 
 /** Frustum */
 /** @param Right as flaot */
@@ -100,7 +100,7 @@ mat2 sweet_matrix_scale2 (float x, float y);
 
 /** Texture bias */
 /** @return texture bias matrix */
-mat4 sweet_matrix_texture_bias ();
+mat4 sweet_matrix_texture_bias (void);
 
 /** Transpose */
 /** @param Matrix to transpose as mat2 *, mat3 * or mat4 * */
diff --git a/sweet_matrix_stack.c b/sweet_matrix_stack.c
index 323f367..b38ec14 100644
--- a/sweet_matrix_stack.c
+++ b/sweet_matrix_stack.c
@@ -20,30 +20,30 @@
 #include "sweet_matrix_stack.h"
 
 matrix_stack2
-sweet_matrix_stack2_new ()
+sweet_matrix_stack2_new (void)
 {
     matrix_stack2 m;
     m.position = 0;
     m.matrix[0] = sweet_matrix_identity2 ();
-    return m; 
+    return m;
 }
 
 matrix_stack3
-sweet_matrix_stack3_new ()
+sweet_matrix_stack3_new (void)
 {
     matrix_stack3 m;
     m.position = 0;
     m.matrix[0] = sweet_matrix_identity3 ();
-    return m; 
+    return m;
 }
 
 matrix_stack4
-sweet_matrix_stack4_new ()
+sweet_matrix_stack4_new (void)
 {
     matrix_stack4 m;
     m.position = 0;
     m.matrix[0] = sweet_matrix_identity4 ();
-    return m; 
+    return m;
 }
 
 int
@@ -178,7 +178,7 @@ sweet_matrix_stack4_get_matrix_pointer (matrix_stack4 * ms)
 {
     return (ms->matrix + ms->position);
 }
-    
+
 mat2
 sweet_matrix_stack2_get_matrix (matrix_stack2 * ms)
 {
diff --git a/sweet_matrix_stack.h b/sweet_matrix_stack.h
index b4ae0c3..4fae2e7 100644
--- a/sweet_matrix_stack.h
+++ b/sweet_matrix_stack.h
@@ -46,11 +46,11 @@ typedef struct matrix_stack4
 }matrix_stack4;
 
 
-matrix_stack2 sweet_matrix_stack2_new ();
+matrix_stack2 sweet_matrix_stack2_new (void);
 
-matrix_stack3 sweet_matrix_stack3_new ();
+matrix_stack3 sweet_matrix_stack3_new (void);
 
-matrix_stack4 sweet_matrix_stack4_new ();
+matrix_stack4 sweet_matrix_stack4_new (void);
 
 int sweet_matrix_stack2_push (matrix_stack2 * ms);
 
@@ -81,7 +81,7 @@ mat2 * sweet_matrix_stack2_get_matrix_pointer (matrix_stack2 * m);
 mat3 * sweet_matrix_stack3_get_matrix_pointer (matrix_stack3 * m);
 
 mat4 * sweet_matrix_stack4_get_matrix_pointer (matrix_stack4 * m);
-    
+
 mat2 sweet_matrix_stack2_get_matrix (matrix_stack2 * m);
 
 mat3 sweet_matrix_stack3_get_matrix (matrix_stack3 * m);