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11210 libm should be cstyle(1ONBLD) clean

*** 20,37 **** */ /* * Copyright 2011 Nexenta Systems, Inc. All rights reserved. */ /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma weak __asinh = asinh ! /* INDENT OFF */ /* * asinh(x) * Method : * Based on * asinh(x) = sign(x) * log [ |x| + sqrt(x*x+1) ] --- 20,38 ---- */ /* * Copyright 2011 Nexenta Systems, Inc. All rights reserved. */ + /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma weak __asinh = asinh ! /* * asinh(x) * Method : * Based on * asinh(x) = sign(x) * log [ |x| + sqrt(x*x+1) ]
*** 39,80 **** * asinh(x) := x if 1+x*x == 1, * := sign(x)*(log(x)+ln2)) for large |x|, else * := sign(x)*log(2|x|+1/(|x|+sqrt(x*x+1))) if|x| > 2, else * := sign(x)*log1p(|x|+x^2/(1+sqrt(1+x^2))) */ - /* INDENT ON */ #include "libm_macros.h" #include <math.h> static const double xxx[] = { ! /* one */ 1.00000000000000000000e+00, /* 3FF00000, 00000000 */ /* ln2 */ 6.93147180559945286227e-01, /* 3FE62E42, FEFA39EF */ /* huge */ 1.00000000000000000000e+300 }; #define one xxx[0] #define ln2 xxx[1] #define huge xxx[2] double ! asinh(double x) { double t, w; int hx, ix; ! hx = ((int *) &x)[HIWORD]; ix = hx & 0x7fffffff; if (ix >= 0x7ff00000) #if defined(FPADD_TRAPS_INCOMPLETE_ON_NAN) return (ix >= 0x7ff80000 ? x : x + x); /* assumes sparc-like QNaN */ #else return (x + x); /* x is inf or NaN */ #endif if (ix < 0x3e300000) { /* |x|<2**-28 */ if (huge + x > one) return (x); /* return x inexact except 0 */ } if (ix > 0x41b00000) { /* |x| > 2**28 */ w = log(fabs(x)) + ln2; } else if (ix > 0x40000000) { /* 2**28 > |x| > 2.0 */ t = fabs(x); --- 40,87 ---- * asinh(x) := x if 1+x*x == 1, * := sign(x)*(log(x)+ln2)) for large |x|, else * := sign(x)*log(2|x|+1/(|x|+sqrt(x*x+1))) if|x| > 2, else * := sign(x)*log1p(|x|+x^2/(1+sqrt(1+x^2))) */ #include "libm_macros.h" #include <math.h> static const double xxx[] = { ! /* one */ ! 1.00000000000000000000e+00, /* 3FF00000, 00000000 */ /* ln2 */ 6.93147180559945286227e-01, /* 3FE62E42, FEFA39EF */ /* huge */ 1.00000000000000000000e+300 }; + #define one xxx[0] #define ln2 xxx[1] #define huge xxx[2] double ! asinh(double x) ! { double t, w; int hx, ix; ! hx = ((int *)&x)[HIWORD]; ix = hx & 0x7fffffff; + if (ix >= 0x7ff00000) #if defined(FPADD_TRAPS_INCOMPLETE_ON_NAN) return (ix >= 0x7ff80000 ? x : x + x); + /* assumes sparc-like QNaN */ #else return (x + x); /* x is inf or NaN */ #endif + if (ix < 0x3e300000) { /* |x|<2**-28 */ if (huge + x > one) return (x); /* return x inexact except 0 */ } + if (ix > 0x41b00000) { /* |x| > 2**28 */ w = log(fabs(x)) + ln2; } else if (ix > 0x40000000) { /* 2**28 > |x| > 2.0 */ t = fabs(x);
*** 82,88 **** --- 89,96 ---- } else { /* 2.0 > |x| > 2**-28 */ t = x * x; w = log1p(fabs(x) + t / (one + sqrt(one + t))); } + return (hx > 0 ? w : -w); }