added glm_vec_fill() (#100)

* alternative name for _broadcast(): _fill()

include/cglm/call/vec3.h

@@ -233,6 +233,10 @@ glmc_vec3_mulv(vec3 a, vec3 b, vec3 d);
 CGLM_EXPORT
 void
 glmc_vec3_broadcast(float val, vec3 d);
+    
+CGLM_EXPORT
+void
+glmc_vec3_fill(vec3 v, float val);
 
 CGLM_EXPORT
 bool

include/cglm/call/vec4.h

@@ -210,6 +210,10 @@ glmc_vec4_mulv(vec4 a, vec4 b, vec4 d);
 CGLM_EXPORT
 void
 glmc_vec4_broadcast(float val, vec4 d);
+    
+CGLM_EXPORT
+void
+glmc_vec4_fill(vec4 v, float val);
 
 CGLM_EXPORT
 bool

include/cglm/struct/vec3-ext.h

@@ -12,6 +12,7 @@
 /*
  Functions:
    CGLM_INLINE vec3s glms_vec3_broadcast(float val);
+   CGLM_INLINE vec3s glms_vec3_fill(float val);
    CGLM_INLINE bool  glms_vec3_eq(vec3s v, float val);
    CGLM_INLINE bool  glms_vec3_eq_eps(vec3s v, float val);
    CGLM_INLINE bool  glms_vec3_eq_all(vec3s v);
@@ -48,6 +49,20 @@ glms_vec3_broadcast(float val) {
   return r;
 }
 
+/*!
+ * @brief fill a vector with specified value
+ *
+ * @param[in]  val  value
+ * @returns         dest
+ */
+CGLM_INLINE
+vec3s
+glms_vec3_fill(float val) {
+  vec3s r;
+  glm_vec3_fill(r.raw, val);
+  return r;
+}
+
 /*!
  * @brief check if vector is equal to value (without epsilon)
  *

include/cglm/struct/vec4-ext.h

@@ -12,6 +12,7 @@
 /*
  Functions:
    CGLM_INLINE vec4s glms_vec4_broadcast(float val);
+   CGLM_INLINE vec4s glms_vec4_fill(float val);
    CGLM_INLINE bool  glms_vec4_eq(vec4s v, float val);
    CGLM_INLINE bool  glms_vec4_eq_eps(vec4s v, float val);
    CGLM_INLINE bool  glms_vec4_eq_all(vec4s v);
@@ -48,6 +49,20 @@ glms_vec4_broadcast(float val) {
   return r;
 }
 
+/*!
+ * @brief fill a vector with specified value
+ *
+ * @param val value
+ * @returns   dest
+ */
+CGLM_INLINE
+vec4s
+glms_vec4_fill(float val) {
+  vec4s r;
+  glm_vec4_fill(r.raw, val);
+  return r;
+}
+
 /*!
  * @brief check if vector is equal to value (without epsilon)
  *

include/cglm/vec3-ext.h

@@ -12,6 +12,7 @@
 /*
  Functions:
    CGLM_INLINE void  glm_vec3_broadcast(float val, vec3 d);
+   CGLM_INLINE void  glm_vec3_fill(vec3 v, float val);
    CGLM_INLINE bool  glm_vec3_eq(vec3 v, float val);
    CGLM_INLINE bool  glm_vec3_eq_eps(vec3 v, float val);
    CGLM_INLINE bool  glm_vec3_eq_all(vec3 v);
@@ -44,6 +45,18 @@ glm_vec3_broadcast(float val, vec3 d) {
   d[0] = d[1] = d[2] = val;
 }
 
+/*!
+ * @brief fill a vector with specified value
+ *
+ * @param[out] v   dest
+ * @param[in]  val value
+ */
+CGLM_INLINE
+void
+glm_vec3_fill(vec3 v, float val) {
+  v[0] = v[1] = v[2] = val;
+}
+
 /*!
  * @brief check if vector is equal to value (without epsilon)
  *

include/cglm/vec4-ext.h

@@ -12,6 +12,7 @@
 /*
  Functions:
    CGLM_INLINE void  glm_vec4_broadcast(float val, vec4 d);
+   CGLM_INLINE void  glm_vec4_fill(vec4 v, float val);
    CGLM_INLINE bool  glm_vec4_eq(vec4 v, float val);
    CGLM_INLINE bool  glm_vec4_eq_eps(vec4 v, float val);
    CGLM_INLINE bool  glm_vec4_eq_all(vec4 v);
@@ -48,6 +49,22 @@ glm_vec4_broadcast(float val, vec4 d) {
 #endif
 }
 
+/*!
+ * @brief fill a vector with specified value
+ *
+ * @param v   dest
+ * @param val value
+ */
+CGLM_INLINE
+void
+glm_vec4_fill(vec4 v, float val) {
+#if defined( __SSE__ ) || defined( __SSE2__ )
+  glmm_store(v, _mm_set1_ps(val));
+#else
+  v[0] = v[1] = v[2] = v[3] = val;
+#endif
+}
+
 /*!
  * @brief check if vector is equal to value (without epsilon)
  *

src/vec3.c

@@ -310,6 +310,12 @@ glmc_vec3_broadcast(float val, vec3 d) {
   glm_vec3_broadcast(val, d);
 }
 
+CGLM_EXPORT
+void
+glmc_vec3_fill(vec3 v, float val) {
+  glm_vec3_fill(v, val);
+}
+
 CGLM_EXPORT
 bool
 glmc_vec3_eq(vec3 v, float val) {

src/vec4.c

@@ -274,6 +274,12 @@ glmc_vec4_broadcast(float val, vec4 d) {
   glm_vec4_broadcast(val, d);
 }
 
+CGLM_EXPORT
+void
+glmc_vec4_fill(vec4 v, float val) {
+  glm_vec4_fill(v, val);
+}
+
 CGLM_EXPORT
 bool
 glmc_vec4_eq(vec4 v, float val) {