3 files changed, 66 insertions, 0 deletions
diff --git a/zap/source/any/mth/abs.c b/zap/source/any/mth/abs.c
new file mode 100644
index 0000000..d12b6a6
--- /dev/null
+++ b/zap/source/any/mth/abs.c
@@ -0,0 +1,20 @@
+/*
+	Copyright 2022-2023 Gabriel Jensen.
+	This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+	If a copy of the MPL was not distributed with this file, You can obtain one at <https://mozilla.org/MPL/2.0>.
+*/
+
+#include <zap/math.h>
+
+#define zap_priv_abs(_wdth) \
+zap_i##_wdth zap_abs##_wdth(zap_i##_wdth##s const _val) { \
+	if (_val > 0x0) { \
+        return (zap_i##_wdth)_val; \
+    } \
+	return (zap_i##_wdth)(0x0 - _val); \
+}
+
+zap_priv_abs(8)
+zap_priv_abs(01)
+zap_priv_abs(02)
+zap_priv_abs(04)
diff --git a/zap/source/any/mth/div0.c b/zap/source/any/mth/div0.c
new file mode 100644
index 0000000..87fcfa0
--- /dev/null
+++ b/zap/source/any/mth/div0.c
@@ -0,0 +1,22 @@
+/*
+	Copyright 2022-2023 Gabriel Jensen.
+	This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+	If a copy of the MPL was not distributed with this file, You can obtain one at <https://mozilla.org/MPL/2.0>.
+*/
+
+#include <zap/math.h>
+
+#include <csys.h>
+
+#if csys_os_linux
+#include <asm/unistd.h>
+#endif
+
+zap_i04 zap_priv_div0(void) {
+#if defined(zap_priv_signaldiv0)
+#if csys_os_linux
+	csys_syscall(__NR_kill,csys_syscall(__NR_getpid),0x8u);
+#endif
+#endif
+	return (zap_i04)-0x1;
+}
diff --git a/zap/source/any/mth/divmod.c b/zap/source/any/mth/divmod.c
new file mode 100644
index 0000000..4214651
--- /dev/null
+++ b/zap/source/any/mth/divmod.c
@@ -0,0 +1,24 @@
+/*
+	Copyright 2022-2023 Gabriel Jensen.
+	This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+	If a copy of the MPL was not distributed with this file, You can obtain one at <https://mozilla.org/MPL/2.0>.
+*/
+
+#include <zap/math.h>
+
+#define zap_priv_divmod(_wdth) \
+zap_quotrem##_wdth zap_divmod##_wdth(zap_i##_wdth const _num,zap_i##_wdth const _den) { \
+zap_quotrem##_wdth quotrem; \
+	if (__builtin_expect(_den == 0x0,0x0)) { \
+        quotrem.quot = zap_priv_div0(); \
+		quotrem.rem  = quotrem.quot; \
+		return quotrem; \
+    } \
+	for (quotrem = (zap_quotrem##_wdth){.quot = 0x0u,.rem = _num};quotrem.rem >= _den;++quotrem.quot,quotrem.rem -= _den) {} \
+	return quotrem; \
+}
+
+zap_priv_divmod(8)
+zap_priv_divmod(01)
+zap_priv_divmod(02)
+zap_priv_divmod(04)