add new matrix mat4x2

Initial function being

glm_mat4x2_make

Signed-off-by: Vincent Davis Jr <vince@underview.tech>

CMakeLists.txt

@@ -85,6 +85,7 @@ add_library(${PROJECT_NAME}
   src/mat3x2.c
   src/mat3x4.c
   src/mat4.c
+  src/mat4x2.c
   src/plane.c
   src/frustum.c
   src/box.c

Makefile.am

@@ -42,6 +42,7 @@ cglm_HEADERS = include/cglm/version.h \
                include/cglm/cam.h \
                include/cglm/io.h \
                include/cglm/mat4.h \
+               include/cglm/mat4x2.h \
                include/cglm/mat3.h \
                include/cglm/mat3x2.h \
                include/cglm/mat3x4.h \
@@ -98,6 +99,7 @@ cglm_clipspace_HEADERS = include/cglm/clipspace/persp.h \
 
 cglm_calldir=$(includedir)/cglm/call
 cglm_call_HEADERS = include/cglm/call/mat4.h \
+                    include/cglm/call/mat4x2.h \
                     include/cglm/call/mat3.h \
                     include/cglm/call/mat3x2.h \
                     include/cglm/call/mat3x4.h \
@@ -166,6 +168,7 @@ cglm_simd_neon_HEADERS = include/cglm/simd/neon/affine.h \
 
 cglm_structdir=$(includedir)/cglm/struct
 cglm_struct_HEADERS = include/cglm/struct/mat4.h \
+                      include/cglm/struct/mat4x2.h \
                       include/cglm/struct/mat3.h \
                       include/cglm/struct/mat3x2.h \
                       include/cglm/struct/mat3x4.h \
@@ -230,6 +233,7 @@ libcglm_la_SOURCES=\
     src/mat3x2.c \
     src/mat3x4.c \
     src/mat4.c \
+    src/mat4x2.c \
     src/plane.c \
     src/frustum.c \
     src/box.c \

docs/source/api_inline_array.rst

@@ -52,6 +52,7 @@ Follow the :doc:`build` documentation for this
    mat3x2
    mat3x4
    mat4
+   mat4x2
    vec2
    vec2-ext
    vec3

docs/source/mat4x2.rst

@@ -0,0 +1,30 @@
+.. default-domain:: C
+
+mat4x2
+======
+
+Header: cglm/mat4x2.h
+
+Table of contents (click to go):
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Macros:
+
+1. GLM_MAT4X2_ZERO_INIT
+#. GLM_MAT4X2_ZERO
+
+Functions:
+
+1. :c:func:`glm_mat4x2_make`
+
+Functions documentation
+~~~~~~~~~~~~~~~~~~~~~~~
+
+.. c:function:: void glm_mat4x2_make(float * __restrict src, mat4x2 dest)
+
+    Create mat4x2 matrix from pointer
+
+    | NOTE: **@src** must contain at least 8 elements.
+    Parameters:
+      | *[in]*  **src**  pointer to an array of floats
+      | *[out]* **dest** destination matrix4x2

include/cglm/call.h

@@ -25,6 +25,7 @@ extern "C" {
 #include "call/mat3x2.h"
 #include "call/mat3x4.h"
 #include "call/mat4.h"
+#include "call/mat4x2.h"
 #include "call/affine.h"
 #include "call/cam.h"
 #include "call/quat.h"

include/cglm/call/mat4x2.h

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#ifndef cglmc_mat4x2_h
+#define cglmc_mat4x2_h
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "../cglm.h"
+
+CGLM_EXPORT
+void
+glmc_mat4x2_make(float * __restrict src, mat4x2 dest);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* cglmc_mat4x2_h */

include/cglm/cglm.h

@@ -16,6 +16,7 @@
 #include "ivec3.h"
 #include "ivec4.h"
 #include "mat4.h"
+#include "mat4x2.h"
 #include "mat3.h"
 #include "mat3x2.h"
 #include "mat3x4.h"

include/cglm/mat4x2.h

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+/*
+ Macros:
+   GLM_MAT4X2_ZERO_INIT
+   GLM_MAT4X2_ZERO
+
+ Functions:
+   CGLM_INLINE void  glm_mat4x2_make(float * restrict src, mat4x2 dest)
+ */
+
+#ifndef cglm_mat4x2_h
+#define cglm_mat4x2_h
+
+#include "common.h"
+
+#define GLM_MAT4X2_ZERO_INIT {{0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}}
+
+/* for C only */
+#define GLM_MAT4X2_ZERO GLM_MAT4X2_ZERO_INIT
+
+/*!
+ * @brief Create mat4x2 matrix from pointer
+ *
+ * @param[in]  src  pointer to an array of floats
+ * @param[out] dest matrix
+ */
+CGLM_INLINE
+void
+glm_mat4x2_make(float * __restrict src, mat4x2 dest) {
+  dest[0][0] = src[0];
+  dest[0][1] = src[1];
+
+  dest[1][0] = src[2];
+  dest[1][1] = src[3];
+
+  dest[2][0] = src[4];
+  dest[2][1] = src[5];
+
+  dest[3][0] = src[6];
+  dest[3][1] = src[7];
+}
+
+#endif

include/cglm/struct.h

@@ -23,6 +23,7 @@ extern "C" {
 #include "struct/mat3x2.h"
 #include "struct/mat3x4.h"
 #include "struct/mat4.h"
+#include "struct/mat4x2.h"
 #include "struct/affine.h"
 #include "struct/frustum.h"
 #include "struct/plane.h"

include/cglm/struct/mat4x2.h

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+/*
+ Macros:
+   GLMS_MAT4X2_ZERO_INIT
+   GLMS_MAT4X2_ZERO
+
+ Functions:
+   CGLM_INLINE mat4x2s glms_mat4x2_make(float * __restrict src);
+ */
+
+#ifndef cglms_mat4x2_h
+#define cglms_mat4x2_h
+
+#include "../common.h"
+#include "../types-struct.h"
+#include "../mat4x2.h"
+
+/* api definition */
+#define glms_mat4x2_(NAME) CGLM_STRUCTAPI(mat4x2, NAME)
+
+#define GLMS_MAT4X2_ZERO_INIT {GLM_MAT4X2_ZERO_INIT}
+
+/* for C only */
+#define GLMS_MAT4X2_ZERO ((mat4x2s)GLMS_MAT4X2_ZERO_INIT)
+
+/*!
+ * @brief Create mat4x2 matrix from pointer
+ *
+ * @param[in]  src  pointer to an array of floats
+ * @return constructed matrix from raw pointer
+ */
+CGLM_INLINE
+mat4x2s
+glms_mat4x2_(make)(float * __restrict src) {
+  mat4x2s r;
+  glm_mat4x2_make(src, r.raw);
+  return r;
+}
+
+#endif /* cglms_mat4x2_h */

include/cglm/types-struct.h

@@ -268,4 +268,17 @@ typedef union CGLM_ALIGN_MAT mat4s {
 #endif
 } mat4s;
 
+typedef union mat4x2s {
+  mat4x2 raw;
+  vec2s  col[4]; /* [col (4), row (2)] */
+#if CGLM_USE_ANONYMOUS_STRUCT
+  struct {
+    float m00, m01;
+    float m10, m11;
+    float m21, m22;
+    float m31, m32;
+  };
+#endif
+} mat4x2s;
+
 #endif /* cglm_types_struct_h */

include/cglm/types.h

@@ -61,6 +61,7 @@ typedef CGLM_ALIGN_IF(16) vec2  mat2[2];
 typedef vec3                    mat2x3[2];  /* [col (2), row (3)] */
 typedef vec4                    mat2x4[2];  /* [col (2), row (4)] */
 typedef CGLM_ALIGN_MAT    vec4  mat4[4];
+typedef vec2                    mat4x2[4];  /* [col (4), row (2)] */
 
 /*
   Important: cglm stores quaternion as [x, y, z, w] in memory since v0.4.0 

meson.build

@@ -45,6 +45,7 @@ cglm_src = files(
     'src/mat3x2.c',
     'src/mat3x4.c',
     'src/mat4.c',
+    'src/mat4x2.c',
     'src/plane.c',
     'src/frustum.c',
     'src/box.c',

src/mat4x2.c

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#include "../include/cglm/cglm.h"
+#include "../include/cglm/call.h"
+
+CGLM_EXPORT
+void
+glmc_mat4x2_make(float * __restrict src, mat4x2 dest) {
+  glm_mat4x2_make(src, dest);
+}

test/src/test_common.c

@@ -312,6 +312,19 @@ test_assert_mat4_eq_zero(mat4 m4) {
   TEST_SUCCESS
 }
 
+test_status_t
+test_assert_mat4x2_eq_zero(mat4x2 m4x2) {
+  int i, j;
+
+  for (i = 0; i < 4; i++) {
+    for (j = 0; j < 2; j++) {
+      ASSERT(test_eq(m4x2[i][j], 0.0f))
+    }
+  }
+
+  TEST_SUCCESS
+}
+
 test_status_t
 test_assert_eqf(float a, float b) {
   ASSERT(fabsf(a - b) <= 0.000009); /* rounding errors */

test/src/test_common.h

@@ -41,6 +41,9 @@ test_assert_mat4_eq_identity(mat4 m4);
 test_status_t
 test_assert_mat4_eq_zero(mat4 m4);
 
+test_status_t
+test_assert_mat4x2_eq_zero(mat4x2 m4x2);
+
 test_status_t
 test_assert_mat2_eqt(mat2 m1, mat2 m2);
 

test/src/test_mat4x2.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#include "test_common.h"
+
+#ifndef CGLM_TEST_MAT4X2_ONCE
+#define CGLM_TEST_MAT4X2_ONCE
+
+TEST_IMPL(MACRO_GLM_MAT4X2_ZERO_INIT) {
+  mat4x2 mat4x2_zero = GLM_MAT4X2_ZERO_INIT;
+  test_assert_mat4x2_eq_zero(mat4x2_zero);
+  TEST_SUCCESS
+}
+
+TEST_IMPL(MACRO_GLM_MAT4X2_ZERO) {
+  mat4x2 mat4x2_zero = GLM_MAT4X2_ZERO;
+  test_assert_mat4x2_eq_zero(mat4x2_zero);
+  TEST_SUCCESS
+}
+
+#endif /* CGLM_TEST_MAT4X2_ONCE */
+
+TEST_IMPL(GLM_PREFIX, mat4x2_make) {
+  float src[24] = {
+    0.5f, 1.7f, 10.3f, 4.2f, 8.9f, 1.1f, 2.3f, 4.2f,
+    2.3f, 4.2f, 66.5f, 23.7f, 6.6f, 8.9f, 0.5f, 1.7f,
+    5.3f, 4.8f, 96.3f, 13.7f, 4.7f, 5.5f, 2.3f, 4.2f
+  };
+
+  mat4x2 dest[3];
+
+  float *srcp = src;
+  unsigned int i, j, k;
+
+  for (i = 0, j = 0, k = 0; i < sizeof(src) / sizeof(float); i+=8,j++) {
+    GLM(mat4x2_make)(srcp + i, dest[j]);
+
+    ASSERT(test_eq(src[ i ], dest[j][k][0]));
+    ASSERT(test_eq(src[i+1], dest[j][k][1]));
+
+    ASSERT(test_eq(src[i+2], dest[j][k+1][0]));
+    ASSERT(test_eq(src[i+3], dest[j][k+1][1]));
+
+    ASSERT(test_eq(src[i+4], dest[j][k+2][0]));
+    ASSERT(test_eq(src[i+5], dest[j][k+2][1]));
+
+    ASSERT(test_eq(src[i+6], dest[j][k+3][0]));
+    ASSERT(test_eq(src[i+7], dest[j][k+3][1]));
+  }
+
+  TEST_SUCCESS
+}

test/src/test_struct.c

@@ -83,6 +83,18 @@ TEST_IMPL(mat4s_zero_init) {
   TEST_SUCCESS
 }
 
+TEST_IMPL(mat4x2s_zero_init) {
+  mat4x2s mat4x2_zero   = GLMS_MAT4X2_ZERO_INIT;
+  test_assert_mat4x2_eq_zero(mat4x2_zero.raw);
+  TEST_SUCCESS
+}
+
+TEST_IMPL(mat4x2s_zero) {
+  mat4x2s mat4x2_zero   = GLMS_MAT4X2_ZERO;
+  test_assert_mat4x2_eq_zero(mat4x2_zero.raw);
+  TEST_SUCCESS
+}
+
 TEST_IMPL(quats_zero_init) {
   versors quat_zero   = GLMS_QUAT_IDENTITY_INIT;
   versor  quat_zero_a =  GLM_QUAT_IDENTITY_INIT;

test/src/tests.c

@@ -25,6 +25,7 @@
 #include "test_mat3x2.h"
 #include "test_mat3x4.h"
 #include "test_mat4.h"
+#include "test_mat4x2.h"
 #include "test_quat.h"
 #include "test_project.h"
 #include "test_plane.h"
@@ -60,6 +61,7 @@
 #include "test_mat3x2.h"
 #include "test_mat3x4.h"
 #include "test_mat4.h"
+#include "test_mat4x2.h"
 #include "test_quat.h"
 #include "test_project.h"
 #include "test_plane.h"

test/tests.h

@@ -153,6 +153,12 @@ TEST_DECLARE(glmc_mat4_swap_row)
 TEST_DECLARE(glmc_mat4_rmc)
 TEST_DECLARE(glmc_mat4_make)
 
+TEST_DECLARE(MACRO_GLM_MAT4X2_ZERO_INIT)
+TEST_DECLARE(MACRO_GLM_MAT4X2_ZERO)
+TEST_DECLARE(glm_mat4x2_make)
+
+TEST_DECLARE(glmc_mat4x2_make)
+
 /* mat3 */
 TEST_DECLARE(glm_mat3_copy)
 TEST_DECLARE(glm_mat3_identity)
@@ -893,6 +899,8 @@ TEST_DECLARE(mat3x4s_zero_init)
 TEST_DECLARE(mat3x4s_zero)
 TEST_DECLARE(mat4s_identity_init)
 TEST_DECLARE(mat4s_zero_init)
+TEST_DECLARE(mat4x2s_zero_init)
+TEST_DECLARE(mat4x2s_zero)
 TEST_DECLARE(quats_zero_init)
 TEST_DECLARE(vec3s_one_init)
 TEST_DECLARE(vec3s_zero_init)
@@ -1039,7 +1047,13 @@ TEST_LIST {
   TEST_ENTRY(glmc_mat4_swap_row)
   TEST_ENTRY(glmc_mat4_rmc)
   TEST_ENTRY(glmc_mat4_make)
-  
+
+  TEST_ENTRY(MACRO_GLM_MAT4X2_ZERO_INIT)
+  TEST_ENTRY(MACRO_GLM_MAT4X2_ZERO)
+  TEST_ENTRY(glm_mat4x2_make)
+
+  TEST_ENTRY(glmc_mat4x2_make)
+
   /* mat3 */
   TEST_ENTRY(glm_mat3_copy)
   TEST_ENTRY(glm_mat3_identity)
@@ -1777,6 +1791,8 @@ TEST_LIST {
   TEST_ENTRY(mat3x4s_zero)
   TEST_ENTRY(mat4s_identity_init)
   TEST_ENTRY(mat4s_zero_init)
+  TEST_ENTRY(mat4x2s_zero_init)
+  TEST_ENTRY(mat4x2s_zero)
   TEST_ENTRY(quats_zero_init)
   TEST_ENTRY(vec3s_one_init)
   TEST_ENTRY(vec3s_zero_init)

win/cglm-test.vcxproj

@@ -72,6 +72,7 @@
     <ClInclude Include="..\test\src\test_mat3x2.h" />
     <ClInclude Include="..\test\src\test_mat3x4.h" />
     <ClInclude Include="..\test\src\test_mat4.h" />
+    <ClInclude Include="..\test\src\test_mat4x2.h" />
     <ClInclude Include="..\test\src\test_plane.h" />
     <ClInclude Include="..\test\src\test_project.h" />
     <ClInclude Include="..\test\src\test_quat.h" />

win/cglm-test.vcxproj.filters

@@ -97,6 +97,9 @@
     <ClInclude Include="..\test\src\test_mat4.h">
       <Filter>src</Filter>
     </ClInclude>
+    <ClInclude Include="..\test\src\test_mat4x2.h">
+      <Filter>src</Filter>
+    </ClInclude>
     <ClInclude Include="..\test\src\test_plane.h">
       <Filter>src</Filter>
     </ClInclude>

win/cglm.vcxproj

@@ -77,6 +77,7 @@
     <ClCompile Include="..\src\mat3x2.c" />
     <ClCompile Include="..\src\mat3x4.c" />
     <ClCompile Include="..\src\mat4.c" />
+    <ClCompile Include="..\src\mat4x2.c" />
     <ClCompile Include="..\src\plane.c" />
     <ClCompile Include="..\src\project.c" />
     <ClCompile Include="..\src\quat.c" />
@@ -130,6 +131,7 @@
     <ClInclude Include="..\include\cglm\call\mat3x2.h" />
     <ClInclude Include="..\include\cglm\call\mat3x4.h" />
     <ClInclude Include="..\include\cglm\call\mat4.h" />
+    <ClInclude Include="..\include\cglm\call\mat4x2.h" />
     <ClInclude Include="..\include\cglm\call\plane.h" />
     <ClInclude Include="..\include\cglm\call\project.h" />
     <ClInclude Include="..\include\cglm\call\quat.h" />
@@ -174,6 +176,7 @@
     <ClInclude Include="..\include\cglm\mat3x2.h" />
     <ClInclude Include="..\include\cglm\mat3x4.h" />
     <ClInclude Include="..\include\cglm\mat4.h" />
+    <ClInclude Include="..\include\cglm\mat4x2.h" />
     <ClInclude Include="..\include\cglm\plane.h" />
     <ClInclude Include="..\include\cglm\project.h" />
     <ClInclude Include="..\include\cglm\quat.h" />
@@ -227,6 +230,7 @@
     <ClInclude Include="..\include\cglm\struct\mat3x2.h" />
     <ClInclude Include="..\include\cglm\struct\mat3x4.h" />
     <ClInclude Include="..\include\cglm\struct\mat4.h" />
+    <ClInclude Include="..\include\cglm\struct\mat4x2.h" />
     <ClInclude Include="..\include\cglm\struct\plane.h" />
     <ClInclude Include="..\include\cglm\struct\project.h" />
     <ClInclude Include="..\include\cglm\struct\quat.h" />

win/cglm.vcxproj.filters

@@ -67,6 +67,9 @@
     <ClCompile Include="..\src\mat4.c">
       <Filter>src</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\mat4x2.c">
+      <Filter>src</Filter>
+    </ClCompile>
     <ClCompile Include="..\src\quat.c">
       <Filter>src</Filter>
     </ClCompile>
@@ -198,6 +201,9 @@
     <ClInclude Include="..\include\cglm\call\mat4.h">
       <Filter>include\cglm\call</Filter>
     </ClInclude>
+    <ClInclude Include="..\include\cglm\call\mat4x2.h">
+      <Filter>include\cglm\call</Filter>
+    </ClInclude>
     <ClInclude Include="..\include\cglm\call\quat.h">
       <Filter>include\cglm\call</Filter>
     </ClInclude>
@@ -270,6 +276,9 @@
     <ClInclude Include="..\include\cglm\mat4.h">
       <Filter>include\cglm</Filter>
     </ClInclude>
+    <ClInclude Include="..\include\cglm\mat4x2.h">
+      <Filter>include\cglm</Filter>
+    </ClInclude>
     <ClInclude Include="..\include\cglm\quat.h">
       <Filter>include\cglm</Filter>
     </ClInclude>
@@ -393,6 +402,9 @@
     <ClInclude Include="..\include\cglm\struct\mat4.h">
       <Filter>include\cglm\struct</Filter>
     </ClInclude>
+    <ClInclude Include="..\include\cglm\struct\mat4x2.h">
+      <Filter>include\cglm\struct</Filter>
+    </ClInclude>
     <ClInclude Include="..\include\cglm\struct\plane.h">
       <Filter>include\cglm\struct</Filter>
     </ClInclude>