From: Elias Fleckenstein <eliasfleckenstein@web.de>
Date: Fri, 24 Sep 2021 11:54:37 +0000 (+0200)
Subject: Add vectors with 4 elements
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=8bf138e90e5bacfb07853df5b17cf35bfeedf352;p=dragonstd.git

Add vectors with 4 elements
---

diff --git a/number.c b/number.c
index 5835e9a..54a4f9f 100644
--- a/number.c
+++ b/number.c
@@ -76,6 +76,28 @@ bool read_full(int fd, char *buffer, size_t size)
 	v3 ## type v3 ## type ## _add(v3 ## type a, v3 ## type b) \
 	{ \
 		return (v3 ## type) {a.x + b.x, a.y + b.y, a.z + b.z}; \
+	} \
+	bool read_v4 ## type(int fd, v4 ## type *ptr) \
+	{ \
+		READVEC(type, 4) \
+		ptr->x = buf[0]; \
+		ptr->y = buf[1]; \
+		ptr->z = buf[2]; \
+		ptr->w = buf[3]; \
+		return true; \
+	} \
+	bool write_v4 ## type(int fd, v4 ## type val) \
+	{ \
+		type vec[4] = {val.x, val.y, val.z, val.w}; \
+		WRITEVEC(type, 4) \
+	} \
+	bool v4 ## type ## _equals(v4 ## type a, v4 ## type b) \
+	{ \
+		return a.x == b.x && a.y == b.y && a.z == b.z && a.w == b.w; \
+	} \
+	v4 ## type v4 ## type ## _add(v4 ## type a, v4 ## type b) \
+	{ \
+		return (v4 ## type) {a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w}; \
 	}
 
 #define DEFTYP(type, bits) \
diff --git a/number.h b/number.h
index 57a000b..4bca576 100644
--- a/number.h
+++ b/number.h
@@ -24,7 +24,12 @@ bool read_full(int fd, char *buffer, size_t size);
 	DEFRW(v3 ## type) \
 	DEFBOX(3 ## type) \
 	bool v3 ## type ## _equals(v3 ## type a, v3 ## type b); \
-	v3 ## type v3 ## type ## _add(v3 ## type a, v3 ## type b);
+	v3 ## type v3 ## type ## _add(v3 ## type a, v3 ## type b); \
+	typedef struct {type x, y, z, w;} v4 ## type; \
+	DEFRW(v4 ## type) \
+	DEFBOX(4 ## type) \
+	bool v4 ## type ## _equals(v4 ## type a, v4 ## type b); \
+	v4 ## type v4 ## type ## _add(v4 ## type a, v4 ## type b);
 
 #define DEFTYP(from, to) \
 	typedef from to; \