ref: 4484b31b857f932eb32e12df29c124de1c2b2bc9
parent: 3d7957fbf03c9d24478dfbf33e8106481ba51ab9
author: adventuresin9 <adventuresin9@gmail.com>
date: Mon Mar 6 23:16:47 EST 2023
/spim/include/ape/float.h: added, and endian fix
--- /dev/null
+++ b/spim/include/ape/float.h
@@ -1,0 +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 */