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Diffstat (limited to 'lib/libutils/isoc/arch/arm/softfloat/source/include/softfloat_types.h')
| -rw-r--r-- | lib/libutils/isoc/arch/arm/softfloat/source/include/softfloat_types.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/lib/libutils/isoc/arch/arm/softfloat/source/include/softfloat_types.h b/lib/libutils/isoc/arch/arm/softfloat/source/include/softfloat_types.h new file mode 100644 index 0000000..c7b67ae --- /dev/null +++ b/lib/libutils/isoc/arch/arm/softfloat/source/include/softfloat_types.h @@ -0,0 +1,80 @@ + +/*============================================================================ + +This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic +Package, Release 3a, by John R. Hauser. + +Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. +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. + + 3. Neither the name of the University nor the names of its contributors may + be used to endorse or promote products derived from this software without + specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + +=============================================================================*/ + +#ifndef softfloat_types_h +#define softfloat_types_h 1 + +#include <stdint.h> + +/*---------------------------------------------------------------------------- +| Types used to pass 32-bit, 64-bit, and 128-bit floating-point arguments and +| results to/from functions. These types must be exactly 32 bits, 64 bits, +| and 128 bits in size, respectively. Where a platform has "native" support +| for IEEE-Standard floating-point formats, the types below may, if desired, +| be defined as aliases for the native types (typically `float' and `double', +| and possibly `long double'). +*----------------------------------------------------------------------------*/ +typedef struct { uint32_t v; } float32_t; +typedef struct { uint64_t v; } float64_t; +typedef struct { uint64_t v[2]; } float128_t; + +/*---------------------------------------------------------------------------- +| The format of an 80-bit extended floating-point number in memory. This +| structure must contain a 16-bit field named `signExp' and a 64-bit field +| named `signif'. +*----------------------------------------------------------------------------*/ +#ifdef LITTLEENDIAN +struct extFloat80M { uint64_t signif; uint16_t signExp; }; +#else +struct extFloat80M { uint16_t signExp; uint64_t signif; }; +#endif + +/*---------------------------------------------------------------------------- +| The type used to pass 80-bit extended floating-point arguments and +| results to/from functions. This type must have size identical to +| `struct extFloat80M'. Type `extFloat80_t' can be defined as an alias for +| `struct extFloat80M'. Alternatively, if a platform has "native" support +| for IEEE-Standard 80-bit extended floating-point, it may be possible, +| if desired, to define `extFloat80_t' as an alias for the native type +| (presumably either `long double' or a nonstandard compiler-intrinsic type). +| In that case, the `signif' and `signExp' fields of `struct extFloat80M' +| must align exactly with the locations in memory of the sign, exponent, and +| significand of the native type. +*----------------------------------------------------------------------------*/ +typedef struct extFloat80M extFloat80_t; + +#endif + |