user/lua: implement the bare minimum for it to link and "run"

1 files changed, 32 insertions, 0 deletions

diff --git a/src/user/lib/math.c b/src/user/lib/math.c
new file mode 100644
index 0000000..db1f2ec
--- /dev/null
+++ b/src/user/lib/math.c
@@ -0,0 +1,32 @@
+#include <math.h>
+#include <user/lib/panic.h>
+
+int abs(int i) {
+	return i < 0 ? -i : i;
+}
+
+
+// TODO port a libm
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+double acos(double x)	{ __libc_panic("unimplemented"); }
+double asin(double x)	{ __libc_panic("unimplemented"); }
+double atan2(double x, double y)	{ __libc_panic("unimplemented"); }
+double cos(double x)	{ __libc_panic("unimplemented"); }
+double cosh(double x)	{ __libc_panic("unimplemented"); }
+double sin(double x)	{ __libc_panic("unimplemented"); }
+double sinh(double x)	{ __libc_panic("unimplemented"); }
+double tan(double x)	{ __libc_panic("unimplemented"); }
+double tanh(double x)	{ __libc_panic("unimplemented"); }
+
+double fabs(double x)	{ __libc_panic("unimplemented"); }
+double floor(double x)	{ __libc_panic("unimplemented"); }
+double ceil(double x)	{ __libc_panic("unimplemented"); }
+double log(double x)	{ __libc_panic("unimplemented"); }
+double log2(double x)	{ __libc_panic("unimplemented"); }
+double log10(double x)	{ __libc_panic("unimplemented"); }
+double exp(double x)	{ __libc_panic("unimplemented"); }
+double fmod(double x, double y)	{ __libc_panic("unimplemented"); }
+double frexp(double num, int *exp)	{ __libc_panic("unimplemented"); }
+double ldexp(double x, int exp)	{ __libc_panic("unimplemented"); }
+double pow(double x, double y)	{ __libc_panic("unimplemented"); }
+double sqrt(double x)	{ __libc_panic("unimplemented"); }