From 7c7ac8b82ed6904528da3fe5c4edfef18a374cf0 Mon Sep 17 00:00:00 2001
From: Recep Aslantas <info@recp.me>
Date: Sat, 22 Oct 2022 23:06:46 +0300
Subject: [PATCH] add missing impl for project_z

---
 include/cglm/call/clipspace/project_no.h | 4 ++++
 include/cglm/call/clipspace/project_zo.h | 4 ++++
 include/cglm/clipspace/project_no.h      | 2 +-
 src/clipspace/project_no.c               | 6 ++++++
 src/clipspace/project_zo.c               | 6 ++++++
 5 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/include/cglm/call/clipspace/project_no.h b/include/cglm/call/clipspace/project_no.h
index c62c37b..3cba860 100644
--- a/include/cglm/call/clipspace/project_no.h
+++ b/include/cglm/call/clipspace/project_no.h
@@ -21,6 +21,10 @@ CGLM_EXPORT
 void
 glmc_project_no(vec3 pos, mat4 m, vec4 vp, vec3 dest);
 
+CGLM_EXPORT
+float
+glmc_project_z_no(vec3 pos, mat4 m);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/cglm/call/clipspace/project_zo.h b/include/cglm/call/clipspace/project_zo.h
index a7137bd..d2a6c62 100644
--- a/include/cglm/call/clipspace/project_zo.h
+++ b/include/cglm/call/clipspace/project_zo.h
@@ -21,6 +21,10 @@ CGLM_EXPORT
 void
 glmc_project_zo(vec3 pos, mat4 m, vec4 vp, vec3 dest);
 
+CGLM_EXPORT
+float
+glmc_project_z_zo(vec3 pos, mat4 m);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/cglm/clipspace/project_no.h b/include/cglm/clipspace/project_no.h
index fc6d2ca..71fbc52 100644
--- a/include/cglm/clipspace/project_no.h
+++ b/include/cglm/clipspace/project_no.h
@@ -103,7 +103,7 @@ glm_project_z_no(vec3 v, mat4 m) {
   z = m[0][2] * v[0] + m[1][2] * v[1] + m[2][2] * v[2] + m[3][2];
   w = m[0][3] * v[0] + m[1][3] * v[1] + m[2][3] * v[2] + m[3][3];
 
-  return 0.5f * (z / w) + 0.5;
+  return 0.5f * (z / w) + 0.5f;
 }
 
 #endif /* cglm_project_no_h */
diff --git a/src/clipspace/project_no.c b/src/clipspace/project_no.c
index 8352cba..93b1453 100644
--- a/src/clipspace/project_no.c
+++ b/src/clipspace/project_no.c
@@ -19,3 +19,9 @@ void
 glmc_project_no(vec3 pos, mat4 m, vec4 vp, vec3 dest) {
   glm_project_no(pos, m, vp, dest);
 }
+
+CGLM_EXPORT
+float
+glmc_project_z_no(vec3 pos, mat4 m) {
+  return glm_project_z_no(pos, m);
+}
diff --git a/src/clipspace/project_zo.c b/src/clipspace/project_zo.c
index bc480a0..6699be9 100644
--- a/src/clipspace/project_zo.c
+++ b/src/clipspace/project_zo.c
@@ -19,3 +19,9 @@ void
 glmc_project_zo(vec3 pos, mat4 m, vec4 vp, vec3 dest) {
   glm_project_zo(pos, m, vp, dest);
 }
+
+CGLM_EXPORT
+float
+glmc_project_z_zo(vec3 pos, mat4 m) {
+  return glm_project_z_zo(pos, m);
+}