Add build system scaffolding and libc headers

1 files changed, 58 insertions, 0 deletions

diff --git a/include/float.h b/include/float.h
new file mode 100644
index 00000000..63e900a1
--- /dev/null
+++ b/include/float.h
@@ -0,0 +1,58 @@
+#ifndef __FLOAT_H
+#define __FLOAT_H
+
+#define FLT_ROUNDS (__builtin_flt_rounds())
+
+#define FLT_EVAL_METHOD 0
+
+#define FLT_HAS_SUBNORM	 __FLT_HAS_DENORM__
+#define DBL_HAS_SUBNORM	 __DBL_HAS_DENORM__
+#define LDBL_HAS_SUBNORM __LDBL_HAS_DENORM__
+
+#define FLT_RADIX __FLT_RADIX__
+
+#define FLT_MANT_DIG  __FLT_MANT_DIG__
+#define DBL_MANT_DIG  __DBL_MANT_DIG__
+#define LDBL_MANT_DIG __LDBL_MANT_DIG__
+
+#define FLT_DECIMAL_DIG	 __FLT_DECIMAL_DIG__
+#define DBL_DECIMAL_DIG	 __DBL_DECIMAL_DIG__
+#define LDBL_DECIMAL_DIG __LDBL_DECIMAL_DIG__
+
+#define FLT_DIG	 __FLT_DIG__
+#define DBL_DIG	 __DBL_DIG__
+#define LDBL_DIG __LDBL_DIG__
+
+#define FLT_MIN_EXP  __FLT_MIN_EXP__
+#define DBL_MIN_EXP  __DBL_MIN_EXP__
+#define LDBL_MIN_EXP __LDBL_MIN_EXP__
+
+#define FLT_MIN_10_EXP	__FLT_MIN_10_EXP__
+#define DBL_MIN_10_EXP	__DBL_MIN_10_EXP__
+#define LDBL_MIN_10_EXP __LDBL_MIN_10_EXP__
+
+#define FLT_MAX_EXP  __FLT_MAX_EXP__
+#define DBL_MAX_EXP  __DBL_MAX_EXP__
+#define LDBL_MAX_EXP __LDBL_MAX_EXP__
+
+#define FLT_MAX_10_EXP	__FLT_MAX_10_EXP__
+#define DBL_MAX_10_EXP	__DBL_MAX_10_EXP__
+#define LDBL_MAX_10_EXP __LDBL_MAX_10_EXP__
+
+#define FLT_MAX	 __FLT_MAX__
+#define DBL_MAX	 __DBL_MAX__
+#define LDBL_MAX __LDBL_MAX__
+
+#define FLT_EPSILON  __FLT_EPSILON__
+#define DBL_EPSILON  __DBL_EPSILON__
+#define LDBL_EPSILON __LDBL_EPSILON__
+
+#define FLT_MIN	 __FLT_MIN__
+#define DBL_MIN	 __DBL_MIN__
+#define LDBL_MIN __LDBL_MIN__
+
+#define FLT_TRUE_MIN  __FLT_DENORM_MIN__
+#define DBL_TRUE_MIN  __DBL_DENORM_MIN__
+#define LDBL_TRUE_MIN __LDBL_DENORM_MIN__
+
+#endif