Update.
* sysdeps/ieee754/ldbl-96/e_asinl.c: Correct handling of +-Inf. * sysdeps/i386/fpu/e_asinl.S: Removed. Too inaccurate.
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2001-04-05 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/ieee754/ldbl-96/e_asinl.c: Correct handling of +-Inf.
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* sysdeps/i386/fpu/e_asinl.S: Removed. Too inaccurate.
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* login/tst-utmp.c: Make file usable again in tst-utmpx.c.
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2001-04-04 Ulrich Drepper <drepper@redhat.com>
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/*
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* Written by J.T. Conklin <jtc@netbsd.org>.
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* Public domain.
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*
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* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
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*/
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#include <machine/asm.h>
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RCSID("$NetBSD: $")
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/* asinl = atanl (x / sqrtl(1 - x^2)) */
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ENTRY(__ieee754_asinl)
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fldt 4(%esp) /* x */
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fld %st
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fmul %st(0) /* x^2 */
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fld1
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fsubp /* 1 - x^2 */
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fsqrt /* sqrt (1 - x^2) */
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fpatan
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ret
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END (__ieee754_asinl)
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@ -92,7 +92,7 @@ __ieee754_asinl (x)
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ix = (ix << 16) | (i0 >> 16);
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if (ix >= 0x3fff8000)
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{ /* |x|>= 1 */
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if (((i0 - 0x80000000) | i1) == 0)
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if (ix < 0x7fff0000 && ((i0 - 0x80000000) | i1) == 0)
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/* asin(1)=+-pi/2 with inexact */
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return x * pio2_hi + x * pio2_lo;
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return (x - x) / (x - x); /* asin(|x|>1) is NaN */
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