diff options
Diffstat (limited to 'REORG.TODO/sysdeps/ieee754/ldbl-128ibm/s_finitel.c')
| -rw-r--r-- | REORG.TODO/sysdeps/ieee754/ldbl-128ibm/s_finitel.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/ieee754/ldbl-128ibm/s_finitel.c b/REORG.TODO/sysdeps/ieee754/ldbl-128ibm/s_finitel.c new file mode 100644 index 0000000000..3b9e3de292 --- /dev/null +++ b/REORG.TODO/sysdeps/ieee754/ldbl-128ibm/s_finitel.c @@ -0,0 +1,49 @@ +/* s_finitel.c -- long double version of s_finite.c. + * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz. + */ + +/* + * ==================================================== + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. + * + * Developed at SunPro, a Sun Microsystems, Inc. business. + * Permission to use, copy, modify, and distribute this + * software is freely granted, provided that this notice + * is preserved. + * ==================================================== + */ + +#if defined(LIBM_SCCS) && !defined(lint) +static char rcsid[] = "$NetBSD: $"; +#endif + +/* + * finitel(x) returns 1 is x is finite, else 0; + * no branching! + */ + +#include <math.h> +#include <math_private.h> +#include <math_ldbl_opt.h> + +int +___finitel (long double x) +{ + uint64_t hx; + double xhi; + + xhi = ldbl_high (x); + EXTRACT_WORDS64 (hx, xhi); + hx &= 0x7ff0000000000000LL; + hx -= 0x7ff0000000000000LL; + return hx >> 63; +} +hidden_ver (___finitel, __finitel) +weak_alias (___finitel, ____finitel) +#if IS_IN (libm) +long_double_symbol (libm, ____finitel, finitel); +long_double_symbol (libm, ___finitel, __finitel); +#else +long_double_symbol (libc, ____finitel, finitel); +long_double_symbol (libc, ___finitel, __finitel); +#endif |