--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gen/genlib.h	Wed Apr 30 18:36:38 2025 -0400
@@ -0,0 +1,108 @@
+/**
+ * vec - a tiny SIMD vector library in C99
+ * 
+ * Copyright (c) 2024-2025 Paper
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+**/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+enum {
+	OP_SPLAT,
+	OP_LOAD_ALIGNED,
+	OP_LOAD,
+	OP_STORE_ALIGNED,
+	OP_STORE,
+	OP_ADD,
+	OP_SUB,
+	OP_MUL,
+	OP_DIV,
+	OP_MOD,
+	OP_AVG,
+	OP_AND,
+	OP_OR,
+	OP_XOR,
+	OP_NOT,
+	OP_CMPLT,
+	OP_CMPEQ,
+	OP_CMPGT,
+	OP_CMPLE, /* these are after the other ones to make */
+	OP_CMPGE, /* implementing them as simple as NOT(CMPLT|CMPGT) */
+	OP_MIN,
+	OP_MAX,
+	OP_RSHIFT,
+	OP_LRSHIFT,
+	OP_LSHIFT,
+
+	/* use this for array sizes and the like */
+	OP_FINAL_,
+};
+
+enum {
+	TYPE_INT,   /* signed int */
+	TYPE_UINT,  /* unsigned int */
+	TYPE_FLOAT, /* IEEE float */
+};
+
+struct op_info {
+	const char *u;
+	const char *l;
+
+	/* print return type to stdout */
+	void (*pret)(int op, int type, int bits, int size);
+
+	/* print params type to stdout */
+	void (*pparam)(int op, int type, int bits, int size);
+};
+
+struct strs {
+	const char *l;
+	const char *u;
+};
+
+extern struct strs type_str[];
+
+struct op_info *gen_op_info(int op);
+
+struct op_impl {
+	/* return 1 if it's implemented for a specific set of
+	 * inputs :)
+	 *
+	 * if this function is not implemented, and `pbody`
+	 * is not NULL, then it is assumed that there are
+	 * no restrictions on what type, bits, or size can
+	 * be used. beware! */
+	int (*check)(int op, int type, int bits, int size);
+
+	/* prints any additional preprocessor checks needed
+	 * should start with a conditional, usually && */
+	void (*ppcheck)(int op, int type, int bits, int size);
+
+	/* sherman?
+	 * (this prints the actual body of the function...) */
+	void (*pbody)(int op, int type, int bits, int size);
+};
+
+int gen(struct op_impl op_impl[OP_FINAL_], const char *name);
+
+void gen_print_vtype(int type, int bits, int size);
+void gen_print_stype(int type, int bits);