--- mstools/h/float.h	2018/08/09 18:20:31	1.1.1.2
+++ mstools/h/float.h	2018/08/09 18:21:10	1.1.1.3
@@ -1,7 +1,7 @@
 /***
 *float.h - constants for floating point values
 *
-*	Copyright (c) 1985-1991, Microsoft Corporation. All rights reserved.
+*	Copyright (c) 1985-1992, Microsoft Corporation. All rights reserved.
 *
 *Purpose:
 *	This file contains defines for a number of implementation dependent
@@ -18,12 +18,38 @@ extern "C" {
 #endif
 
 
-#ifndef MIPS
-#if (_MSC_VER <= 600)
-#define __cdecl _cdecl
-#endif
+/*
+ * Conditional macro definition for function calling type and variable type
+ * qualifiers.
+ */
+#if   ( (_MSC_VER >= 800) && (_M_IX86 >= 300) )
+
+/*
+ * Definitions for MS C8-32 (386/486) compiler
+ */
+#define _CRTAPI1 __cdecl
+#define _CRTAPI2 __cdecl
+
+#elif ( _MSC_VER == 600 )
+
+/*
+ * Definitions for old MS C6-386 compiler
+ */
+#define _CRTAPI1 _cdecl
+#define _CRTAPI2 _cdecl
+#define _M_IX86  300
+
+#else
+
+/*
+ * Other compilers (e.g., MIPS)
+ */
+#define _CRTAPI1
+#define _CRTAPI2
+
 #endif
 
+
 #define DBL_DIG 	15			/* # of decimal digits of precision */
 #define DBL_EPSILON	2.2204460492503131e-016 /* smallest such that 1.0+DBL_EPSILON != 1.0 */
 #define DBL_MANT_DIG	53			/* # of bits in mantissa */
@@ -67,10 +93,10 @@ extern "C" {
 
 /* function prototypes */
 
-unsigned int _clearfp(void);
-unsigned int _controlfp(unsigned int,unsigned int);
-unsigned int _statusfp(void);
-void _fpreset(void);
+unsigned int _CRTAPI1 _clearfp(void);
+unsigned int _CRTAPI1 _controlfp(unsigned int,unsigned int);
+unsigned int _CRTAPI1 _statusfp(void);
+void _CRTAPI1 _fpreset(void);
 
 #define _clear87	_clearfp
 #define _status87	_statusfp
@@ -121,7 +147,7 @@ void _fpreset(void);
 #define _SW_DENORMAL	0x00080000		/* denormal status bit */
 
 
-unsigned int _control87(unsigned int,unsigned int);
+unsigned int _CRTAPI1 _control87(unsigned int,unsigned int);
 
 
 /*
@@ -135,13 +161,11 @@ unsigned int _control87(unsigned int,uns
 
 /* initial Control Word value */
 
-#ifdef i386
+#ifdef	_M_IX86
 
 #define _CW_DEFAULT ( _RC_NEAR + _PC_64 + _EM_INVALID + _EM_ZERODIVIDE + _EM_OVERFLOW + _EM_UNDERFLOW + _EM_INEXACT )
 
-#endif
-
-#ifdef MIPS
+#elif	( defined(_M_RX000) || defined(M_MRX000) || defined(MIPS) || defined(MIPS) )
 
 #define _CW_DEFAULT ( _RC_NEAR + _DN_FLUSH + _EM_INVALID + _EM_ZERODIVIDE + _EM_OVERFLOW + _EM_UNDERFLOW + _EM_INEXACT )
 
@@ -150,7 +174,7 @@ unsigned int _control87(unsigned int,uns
 /* Global variable holding floating point error code */
 
 #ifdef	_MT
-extern int * __fpecode(void);
+extern int * _CRTAPI1 __fpecode(void);
 #define _fpecode	(*__fpecode())
 #else
 extern int _fpecode;
@@ -182,14 +206,14 @@ extern int _fpecode;
 
 /* IEEE recommended functions */
 
-double _copysign (double, double);
-double _chgsign (double);
-double _scalb(double, long);
-double _logb(double);
-double _nextafter(double, double);
-int    _finite(double);
-int    _isnan(double);
-int    _fpclass(double);
+double _CRTAPI1 _copysign (double, double);
+double _CRTAPI1 _chgsign (double);
+double _CRTAPI1 _scalb(double, long);
+double _CRTAPI1 _logb(double);
+double _CRTAPI1 _nextafter(double, double);
+int    _CRTAPI1 _finite(double);
+int    _CRTAPI1 _isnan(double);
+int    _CRTAPI1 _fpclass(double);
 
 #define _FPCLASS_SNAN	0x0001	/* signaling NaN */
 #define _FPCLASS_QNAN	0x0002	/* quiet NaN */