/spim/include/ape/float.h: added, and endian fix

spim/include/ape/float.h

@@ -0,0 +1,75 @@
+#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_MC68k	1
+#define Sudden_Underflow 1
+#endif
+#ifdef _PLAN9_SOURCE
+/* FCR */
+#define	FPINEX	(1<<7)
+#define	FPUNFL	(1<<8)
+#define	FPOVFL	(1<<9)
+#define	FPZDIV	(1<<10)
+#define	FPINVAL	(1<<11)
+#define	FPRNR	(0<<0)
+#define	FPRZ	(1<<0)
+#define	FPRPINF	(2<<0)
+#define	FPRNINF	(3<<0)
+#define	FPRMASK	(3<<0)
+#define	FPPEXT	0
+#define	FPPSGL	0
+#define	FPPDBL	0
+#define	FPPMASK	0
+/* FSR */
+#define	FPAINEX	(1<<2)
+#define	FPAOVFL	(1<<4)
+#define	FPAUNFL	(1<<3)
+#define	FPAZDIV	(1<<5)
+#define	FPAINVAL	(1<<6)
+#endif
+#endif /* __FLOAT */