always define float_t as float

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

libc/sysdeps/linux/alpha/bits/mathdef.h

@@ -27,28 +27,10 @@
 #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
 # define _MATH_H_MATHDEF	1
 
-# ifdef __GNUC__
+/* Alpha has both `float' and `double' arithmetic.  */
-#  if __STDC__ == 1
-
-/* In GNU or ANSI mode, gcc leaves `float' expressions as-is.  */
 typedef float float_t;
 typedef double double_t;
 
-#  else
-
-/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
-typedef double float_t;
-typedef double double_t;
-
-#  endif
-# else
-
-/* Wild guess at types for float_t and double_t. */
-typedef double float_t;
-typedef double double_t;
-
-# endif
-
 /* The values returned by `ilogb' for 0 and NaN respectively.  */
 # define FP_ILOGB0     (-2147483647)
 # define FP_ILOGBNAN   (2147483647)

libc/sysdeps/linux/powerpc/bits/mathdef.h

@@ -33,32 +33,12 @@
 #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
 # define _MATH_H_MATHDEF	1
 
-# ifdef __GNUC__
+/* PowerPC has both `float' and `double' arithmetic.  */
-#  if __STDC__ == 1
-
-/* In GNU or ANSI mode, gcc leaves `float' expressions as-is.  */
 typedef float float_t;		/* `float' expressions are evaluated as
 				   `float'.  */
 typedef double double_t;	/* `double' expressions are evaluated as
 				   `double'.  */
 
-#  else
-
-/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
-typedef double float_t;		/* `float' expressions are evaluated as
-				   `double'.  */
-typedef double double_t;	/* `double' expressions are evaluated as
-				   `double'.  */
-
-#  endif
-# else
-
-/* Wild guess at types for float_t and double_t. */
-typedef double float_t;
-typedef double double_t;
-
-# endif
-
 /* The values returned by `ilogb' for 0 and NaN respectively.  */
 # define FP_ILOGB0	(-2147483647)
 # define FP_ILOGBNAN	(2147483647)

libc/sysdeps/linux/sh/bits/mathdef.h

@@ -30,32 +30,12 @@
 #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
 # define _MATH_H_MATHDEF	1
 
-# ifdef __GNUC__
+/* SH has both `float' and `double' arithmetic.  */
-#  if __STDC__ == 1
-
-/* In GNU or ANSI mode, gcc leaves `float' expressions as-is.  */
 typedef float float_t;		/* `float' expressions are evaluated as
 				   `float'.  */
 typedef double double_t;	/* `double' expressions are evaluated as
 				   `double'.  */
 
-#  else
-
-/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
-typedef double float_t;		/* `float' expressions are evaluated as
-				   `double'.  */
-typedef double double_t;	/* `double' expressions are evaluated as
-				   `double'.  */
-
-#  endif
-# else
-
-/* Wild guess at types for float_t and double_t. */
-typedef double float_t;
-typedef double double_t;
-
-# endif
-
 /* The values returned by `ilogb' for 0 and NaN respectively.  */
 # define FP_ILOGB0	0x80000001
 # define FP_ILOGBNAN	0x7fffffff

libc/sysdeps/linux/sparc/bits/mathdef.h

@@ -29,28 +29,10 @@
 #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
 # define _MATH_H_MATHDEF	1
 
-# ifdef __GNUC__
+/* SPARC has both `float' and `double' arithmetic.  */
-#  if __STDC__ == 1
-
-/* In GNU or ANSI mode, gcc leaves `float' expressions as-is.  */
 typedef float float_t;
 typedef double double_t;
 
-#  else
-
-/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
-typedef double float_t;
-typedef double double_t;
-
-#  endif
-# else
-
-/* Wild guess at types for float_t and double_t. */
-typedef double float_t;
-typedef double double_t;
-
-# endif
-
 /* The values returned by `ilogb' for 0 and NaN respectively.  */
 # define FP_ILOGB0       (-2147483647)
 # define FP_ILOGBNAN     (2147483647)