2 files changed, 4 insertions, 10 deletions
diff --git a/zap/source/any/math/div0.c b/zap/source/any/math/div0.c
index 87fcfa0..07c15a4 100644
--- a/zap/source/any/math/div0.c
+++ b/zap/source/any/math/div0.c
@@ -8,15 +8,6 @@
 
 #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/math/exp.c b/zap/source/any/math/exp.c
index 6c16213..bf0869d 100644
--- a/zap/source/any/math/exp.c
+++ b/zap/source/any/math/exp.c
@@ -8,9 +8,12 @@
 
 #define zap_priv_exp(_wdth) \
 zap_i##_wdth zap_exp##_wdth(zap_i##_wdth const _val,zap_i##_wdth const _n) { \
-	if (_val == 0x0) { \
+	if (__builtin_expect(_n == 0x0u,0x0)) { \
         return 0x1u; \
     } \
+	if (__builtin_expect(_val == 0x0u,0x0)) { \
+        return 0x0u; \
+    } \
 	zap_i##_wdth val = _val; \
 	for (zap_i##_wdth i = 0x1u;i < _n;++i) { \
 		val *= _val; \