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Diffstat (limited to 'libm/fpclassify.c')
| -rw-r--r-- | libm/fpclassify.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/libm/fpclassify.c b/libm/fpclassify.c deleted file mode 100644 index baf116c..0000000 --- a/libm/fpclassify.c +++ /dev/null @@ -1,94 +0,0 @@ -/*- - * Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org> - * Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD: src/lib/libc/gen/fpclassify.c,v 1.2 2005/02/06 03:23:31 das Exp $ - */ - -#include <sys/endian.h> - -#include <math.h> -#include <stdint.h> - -#include "src/fpmath.h" - -int -__fpclassifyf(float f) -{ - union IEEEf2bits u; - - u.f = f; - if (u.bits.exp == 0) { - if (u.bits.man == 0) - return (FP_ZERO); - return (FP_SUBNORMAL); - } - if (u.bits.exp == 255) { - if (u.bits.man == 0) - return (FP_INFINITE); - return (FP_NAN); - } - return (FP_NORMAL); -} - -int -__fpclassifyd(double d) -{ - union IEEEd2bits u; - - u.d = d; - if (u.bits.exp == 0) { - if ((u.bits.manl | u.bits.manh) == 0) - return (FP_ZERO); - return (FP_SUBNORMAL); - } - if (u.bits.exp == 2047) { - if ((u.bits.manl | u.bits.manh) == 0) - return (FP_INFINITE); - return (FP_NAN); - } - return (FP_NORMAL); -} - -int -__fpclassifyl(long double e) -{ - union IEEEl2bits u; - - u.e = e; - if (u.bits.exp == 0) { - if ((u.bits.manl | u.bits.manh) == 0) - return (FP_ZERO); - return (FP_SUBNORMAL); - } - mask_nbit_l(u); /* Mask normalization bit if applicable. */ - if (u.bits.exp == 32767) { - if ((u.bits.manl | u.bits.manh) == 0) - return (FP_INFINITE); - return (FP_NAN); - } - return (FP_NORMAL); -} - |