1 files changed, 76 insertions, 0 deletions
diff --git a/alpha/include/ape/float.h b/alpha/include/ape/float.h
new file mode 100644
index 000000000..26d1fe76b
--- /dev/null
+++ b/alpha/include/ape/float.h
@@ -0,0 +1,76 @@
+#ifndef __FLOAT
+#define __FLOAT
+/* IEEE, default rounding */
+
+#define FLT_ROUNDS	1
+#define FLT_RADIX	2
+
+#define FLT_DIG		6
+#define FLT_EPSILON	1.19209290e-07
+#define FLT_MANT_DIG	24
+#define FLT_MAX		3.40282347e+38
+#define FLT_MAX_10_EXP	38
+#define FLT_MAX_EXP	128
+#define FLT_MIN		1.17549435e-38
+#define FLT_MIN_10_EXP	-37
+#define FLT_MIN_EXP	-125
+
+#define DBL_DIG		15
+#define DBL_EPSILON	2.2204460492503131e-16
+#define DBL_MANT_DIG	53
+#define DBL_MAX		1.797693134862315708145e+308
+#define DBL_MAX_10_EXP	308
+#define DBL_MAX_EXP	1024
+#define DBL_MIN		2.225073858507201383090233e-308
+#define DBL_MIN_10_EXP	-307
+#define DBL_MIN_EXP	-1021
+#define LDBL_MANT_DIG	DBL_MANT_DIG
+#define LDBL_EPSILON	DBL_EPSILON
+#define LDBL_DIG	DBL_DIG
+#define LDBL_MIN_EXP	DBL_MIN_EXP
+#define LDBL_MIN	DBL_MIN
+#define LDBL_MIN_10_EXP	DBL_MIN_10_EXP
+#define LDBL_MAX_EXP	DBL_MAX_EXP
+#define LDBL_MAX	DBL_MAX
+#define LDBL_MAX_10_EXP	DBL_MAX_10_EXP
+
+typedef 	union FPdbleword FPdbleword;
+union FPdbleword
+{
+	double	x;
+	struct {	/* little endian */
+		long lo;
+		long hi;
+	};
+};
+
+#ifdef _RESEARCH_SOURCE
+/* define stuff needed for floating conversion */
+#define IEEE_8087	1
+#define Sudden_Underflow 1
+#endif
+#ifdef _PLAN9_SOURCE
+#define	FPINEX	(1<<30)
+#define	FPOVFL	(1<<19)
+#define	FPUNFL	((1<<29)|(1<<28))
+#define	FPZDIV	(1<<18)
+#define	FPINVAL	(1<<17)
+
+#define	FPRNR	(2<<26)
+#define	FPRZ		(0<<26)
+#define	FPRPINF	(3<<26)
+#define	FPRNINF	(1<<26)
+#define	FPRMASK	(3<<26)
+
+#define	FPPEXT	0
+#define	FPPSGL	0
+#define	FPPDBL	0
+#define	FPPMASK	0
+/* FSR */
+#define	FPAINEX	(1<<24)
+#define	FPAUNFL	(1<<23)
+#define	FPAOVFL	(1<<22)
+#define	FPAZDIV	(1<<21)
+#define	FPAINVAL	(1<<20)
+#endif
+#endif /* __FLOAT */