[ros-diffs] [greatlrd] 22084: almost last commit for full support of %e %E %f %g %G, left todo is write the numberf function

Author: greatlrd
Date: Sun May 28 09:17:19 2006
New Revision: 22084

URL: http://svn.reactos.ru/svn/reactos?rev=22084&view=rev
Log:
almost last commit for full support of %e %E %f %g %G, left todo is write the numberf
function 

Modified:
    trunk/reactos/lib/rtl/sprintf.c
    trunk/reactos/lib/rtl/swprintf.c

Modified: trunk/reactos/lib/rtl/sprintf.c
URL:
http://svn.reactos.ru/svn/reactos/trunk/reactos/lib/rtl/sprintf.c?rev=22084…
==============================================================================
--- trunk/reactos/lib/rtl/sprintf.c (original)
+++ trunk/reactos/lib/rtl/sprintf.c Sun May 28 09:17:19 2006
@@ -26,6 +26,42 @@
 #define LEFT	16		/* left justified */
 #define SPECIAL	32		/* 0x */
 #define LARGE	64		/* use 'ABCDEF' instead of 'abcdef' */
+
+typedef struct {
+    unsigned int mantissal:32;
+    unsigned int mantissah:20;
+    unsigned int exponent:11;
+    unsigned int sign:1;
+} double_t;
+
+static 
+__inline
+int 
+_isinf(double __x)
+{
+	union
+	{
+		double*   __x;
+		double_t*   x;
+	} x;
+
+	x.__x = &__x;
+	return ( x.x->exponent == 0x7ff  && ( x.x->mantissah == 0 &&
x.x->mantissal == 0 ));
+}
+
+static 
+__inline
+int 
+_isnan(double __x)
+{
+	union
+	{
+		double*   __x;
+		double_t*   x;
+	} x;
+    	x.__x = &__x;
+	return ( x.x->exponent == 0x7ff  && ( x.x->mantissah != 0 ||
x.x->mantissal != 0 ));
+}
 
 
 static
@@ -450,9 +486,42 @@
 		case 'f':
 		case 'g':
 		case 'G':
-            _double = (double)va_arg(args, double);
-            str = number(str, end, (int)_double, base, field_width, precision, flags);
-            continue;
+          _double = (double)va_arg(args, double);          
+         if ( _isnan(_double) ) {
+            s = "Nan";
+            len = 3;
+            while ( len > 0 ) {
+               if (str <= end)
+					*str = *s++;
+				++str;
+               len --;
+            }
+         } else if ( _isinf(_double) < 0 ) {
+            s = "-Inf";
+            len = 4;
+            while ( len > 0 ) {
+              	if (str <= end)
+					*str = *s++;
+				++str;
+               len --;
+            }
+         } else if ( _isinf(_double) > 0 ) {
+            s = "+Inf";
+            len = 4;
+            while ( len > 0 ) {
+               if (str <= end)
+					*str = *s++;
+				++str;
+               len --;
+            }
+         } else {
+            if ( precision == -1 )
+               precision = 6;
+                /* FIXME the float version of number */
+               	str = number(str, end, (int)_double, base, field_width, precision,
flags);           
+         }
+            
+          continue;
 
 
 		/* integer number formats - set up the flags and "break" */

Modified: trunk/reactos/lib/rtl/swprintf.c
URL:
http://svn.reactos.ru/svn/reactos/trunk/reactos/lib/rtl/swprintf.c?rev=2208…
==============================================================================
--- trunk/reactos/lib/rtl/swprintf.c (original)
+++ trunk/reactos/lib/rtl/swprintf.c Sun May 28 09:17:19 2006
@@ -26,6 +26,42 @@
 #define LEFT	16		/* left justified */
 #define SPECIAL	32		/* 0x */
 #define LARGE	64		/* use 'ABCDEF' instead of 'abcdef' */
+
+typedef struct {
+    unsigned int mantissal:32;
+    unsigned int mantissah:20;
+    unsigned int exponent:11;
+    unsigned int sign:1;
+} double_t;
+
+static 
+__inline
+int 
+_isinf(double __x)
+{
+	union
+	{
+		double*   __x;
+		double_t*   x;
+	} x;
+
+	x.__x = &__x;
+	return ( x.x->exponent == 0x7ff  && ( x.x->mantissah == 0 &&
x.x->mantissal == 0 ));
+}
+
+static 
+__inline
+int 
+_isnan(double __x)
+{
+	union
+	{
+		double*   __x;
+		double_t*   x;
+	} x;
+    	x.__x = &__x;
+	return ( x.x->exponent == 0x7ff  && ( x.x->mantissah != 0 ||
x.x->mantissal != 0 ));
+}
 
 
 static
@@ -245,6 +281,7 @@
 	wchar_t * str, * end;
 	const char *s;
 	const wchar_t *sw;
+	const wchar_t *ss;
 	double _double;
 
 	int flags;		/* flags to number() */
@@ -446,9 +483,44 @@
 		case 'f':
 		case 'g':
 		case 'G':
-            _double = (double)va_arg(args, double);
-            str = number(str, end, (int)_double, base, field_width, precision, flags);
-            continue;
+          _double = (double)va_arg(args, double);
+          
+         if ( _isnan(_double) ) {
+            ss = L"Nan";
+            len = 3;
+            while ( len > 0 ) {
+               if (str <= end)
+					*str = *ss++;
+				++str;
+               len --;
+            }
+         } else if ( _isinf(_double) < 0 ) {
+            ss = L"-Inf";
+            len = 4;
+            while ( len > 0 ) {
+              	if (str <= end)
+					*str = *ss++;
+				++str;
+               len --;
+            }
+         } else if ( _isinf(_double) > 0 ) {
+            ss = L"+Inf";
+            len = 4;
+            while ( len > 0 ) {
+               if (str <= end)
+					*str = *ss++;
+				++str;
+               len --;
+            }
+         } else {
+            if ( precision == -1 )
+               precision = 6;
+               /* FIXME the float version of number */
+               	str = number(str, end, (int)_double, base, field_width, precision,
flags);           
+         }
+            
+          continue;
+
 
 
 		/* integer number formats - set up the flags and "break" */