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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>

*** 25,43 **** /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ ! #if defined(ELFOBJ) ! #pragma weak scalblnf = __scalblnf ! #endif #include "libm.h" #include <float.h> /* FLT_MAX, FLT_MIN */ static const float twom25f = 2.98023223876953125e-8F; ! #if defined(USE_FPSCALE) || defined(__x86) static const float two23f = 8388608.0F; #else /* * v: a non-zero subnormal |x|; returns [-22, 0] */ --- 25,41 ---- /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ ! #pragma weak __scalblnf = scalblnf #include "libm.h" #include <float.h> /* FLT_MAX, FLT_MIN */ static const float twom25f = 2.98023223876953125e-8F; ! #if defined(__x86) static const float two23f = 8388608.0F; #else /* * v: a non-zero subnormal |x|; returns [-22, 0] */
*** 52,62 **** if (v & 0xf0) r += 4, v >>= 4; v <<= 1; return (r + ((0xffffaa50 >> v) & 0x3)); } ! #endif /* defined(USE_FPSCALE) */ float scalblnf(float x, long n) { int *px = (int *) &x, ix, k; --- 50,60 ---- if (v & 0xf0) r += 4, v >>= 4; v <<= 1; return (r + ((0xffffaa50 >> v) & 0x3)); } ! #endif /* defined(__x86) */ float scalblnf(float x, long n) { int *px = (int *) &x, ix, k;
*** 69,79 **** return (x + x); #endif if (ix == 0 || n == 0) return (x); if (k == 0) { ! #if defined(USE_FPSCALE) || defined(__x86) x *= two23f; k = ((*px & ~0x80000000) >> 23) - 23; #else k = ilogbf_biased(ix); *px = (*px & 0x80000000) | (ix << (-k + 1)); --- 67,77 ---- return (x + x); #endif if (ix == 0 || n == 0) return (x); if (k == 0) { ! #if defined(__x86) x *= two23f; k = ((*px & ~0x80000000) >> 23) - 23; #else k = ilogbf_biased(ix); *px = (*px & 0x80000000) | (ix << (-k + 1));