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Diffstat (limited to 'zap/source/any/mth/divmod.c')
-rw-r--r--zap/source/any/mth/divmod.c24
1 files changed, 24 insertions, 0 deletions
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)