Reimplement isinf/isnan/fpclassify.
Also move isinf and isnan into libc like everyone else.
Also move fpclassify to libc like the BSDs (but unlike glibc). We need
this to be able to upgrade our float/double/long double parsing to gdtoa.
Also add some missing aliases. We now have all of:
isnan, __isnan, isnanf, __isnanf, isnanl, __isnanl,
isinf, __isinf, isinff, __isinff, isinfl, __isinfl,
__fpclassify, __fpclassifyd, __fpclassifyf, __fpclassifyl.
Bug: 13469877
Change-Id: I407ffbac06c765a6c5fffda8106c37d7db04f27d
diff --git a/libc/arch-x86/include/machine/ieee.h b/libc/arch-x86/include/machine/ieee.h
index 55b3703..865fcb9 100644
--- a/libc/arch-x86/include/machine/ieee.h
+++ b/libc/arch-x86/include/machine/ieee.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: ieee.h,v 1.2 2003/06/02 23:27:47 millert Exp $ */
+/* $OpenBSD: ieee.h,v 1.3 2008/09/07 20:36:06 martynas Exp $ */
/* $NetBSD: ieee.h,v 1.1 1996/09/30 16:34:25 ws Exp $ */
/*
@@ -79,10 +79,19 @@
#define SNG_FRACBITS 23
#define DBL_EXPBITS 11
+#define DBL_FRACHBITS 20
+#define DBL_FRACLBITS 32
#define DBL_FRACBITS 52
#define EXT_EXPBITS 15
-#define EXT_FRACBITS 112
+#define EXT_FRACHBITS 32
+#define EXT_FRACLBITS 32
+#define EXT_FRACBITS 64
+
+#define EXT_TO_ARRAY32(p, a) do { \
+ (a)[0] = (uint32_t)(p)->ext_fracl; \
+ (a)[1] = (uint32_t)(p)->ext_frach; \
+} while(0)
struct ieee_single {
u_int sng_frac:23;
@@ -99,11 +108,10 @@
struct ieee_ext {
u_int ext_fracl;
- u_int ext_fraclm;
- u_int ext_frachm;
- u_int ext_frach:16;
+ u_int ext_frach;
u_int ext_exp:15;
u_int ext_sign:1;
+ u_int ext_pad:16;
};
/*