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5261 libm should stop using synonyms.h
5298 fabs is 0-sized, confuses dis(1) and others
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Approved by: Gordon Ross <gwr@nexenta.com>
5262 libm needs to be carefully unifdef'd
5268 libm doesn't need to hide symbols which are already local
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Reviewed by: Gordon Ross <gwr@nexenta.com>
Approved by: Gordon Ross <gwr@nexenta.com>

*** 25,42 **** /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ ! #if defined(ELFOBJ) ! #pragma weak ilogb = __ilogb ! #endif #include "libm.h" #include "xpg6.h" /* __xpg6 */ ! #if defined(USE_FPSCALE) || defined(__x86) static const double two52 = 4503599627370496.0; #else /* * v: high part of a non-zero subnormal |x|; w: low part of |x| */ --- 25,40 ---- /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ ! #pragma weak __ilogb = ilogb #include "libm.h" #include "xpg6.h" /* __xpg6 */ ! #if defined(__x86) static const double two52 = 4503599627370496.0; #else /* * v: high part of a non-zero subnormal |x|; w: low part of |x| */
*** 55,65 **** if (v & 0xf0) r += 4, v >>= 4; v <<= 1; return (r + ((0xffffaa50 >> v) & 0x3)); } ! #endif /* defined(USE_FPSCALE) */ static int raise_invalid(int v) { /* SUSv3 requires ilogb(0,+/-Inf,NaN) raise invalid */ #ifndef lint if ((__xpg6 & _C99SUSv3_ilogb_0InfNaN_raises_invalid) != 0) { --- 53,63 ---- if (v & 0xf0) r += 4, v >>= 4; v <<= 1; return (r + ((0xffffaa50 >> v) & 0x3)); } ! #endif /* defined(__x86) */ static int raise_invalid(int v) { /* SUSv3 requires ilogb(0,+/-Inf,NaN) raise invalid */ #ifndef lint if ((__xpg6 & _C99SUSv3_ilogb_0InfNaN_raises_invalid) != 0) {
*** 78,88 **** if (k < 0x00100000) { if ((px[LOWORD] | k) == 0) return (raise_invalid(0x80000001)); else { ! #if defined(USE_FPSCALE) || defined(__x86) x *= two52; return (((px[HIWORD] & 0x7ff00000) >> 20) - 1075); #else return (ilogb_subnormal(k, px[LOWORD])); #endif --- 76,86 ---- if (k < 0x00100000) { if ((px[LOWORD] | k) == 0) return (raise_invalid(0x80000001)); else { ! #if defined(__x86) x *= two52; return (((px[HIWORD] & 0x7ff00000) >> 20) - 1075); #else return (ilogb_subnormal(k, px[LOWORD])); #endif