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Diffstat (limited to 'libm/sh/_fpmath.h')
| -rw-r--r-- | libm/sh/_fpmath.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/libm/sh/_fpmath.h b/libm/sh/_fpmath.h new file mode 100644 index 0000000..f75ec7b --- /dev/null +++ b/libm/sh/_fpmath.h @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2009 Android Open Source Project, All rights reserved. + * Derived from "bionic/libm/arm/_fpmath.h" + * Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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. + */ + +/* + * Assumes that 'long double' on SH-linux is just an alias for 'double'. + */ +union IEEEl2bits { + long double e; + struct { +#if __BYTE_ORDER == __LITTLE_ENDIAN + unsigned int manl :32; + unsigned int manh :20; + unsigned int exp :11; + unsigned int sign :1; +#elif __BYTE_ORDER == __BIG_ENDIAN + unsigned int sign :1; + unsigned int exp :11; + unsigned int manh :20; + unsigned int manl :32; +#endif + } bits; +}; + +/* + * LDBL_NBIT is a mask indicating the position of the integer + * bit in a long double. But SH4 does not support it. + */ +#define LDBL_NBIT 0 +#define mask_nbit_l(u) ((void)0) + +#define LDBL_MANH_SIZE 20 +#define LDBL_MANL_SIZE 32 |