| |
| /*============================================================================ |
| |
| This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic |
| Package, Release 3, by John R. Hauser. |
| |
| Copyright 2011, 2012, 2013, 2014 The Regents of the University of California |
| (Regents). All Rights Reserved. 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 two paragraphs of disclaimer. |
| Redistributions in binary form must reproduce the above copyright notice, |
| this list of conditions, and the following two paragraphs of disclaimer in the |
| documentation and/or other materials provided with the distribution. Neither |
| the name of the Regents nor the names of its contributors may be used to |
| endorse or promote products derived from this software without specific prior |
| written permission. |
| |
| IN NO EVENT SHALL REGENTS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, |
| SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING |
| OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF REGENTS HAS |
| BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| REGENTS SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED |
| TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| PURPOSE. THE SOFTWARE AND ACCOMPANYING DOCUMENTATION, IF ANY, PROVIDED |
| HEREUNDER IS PROVIDED "AS IS". REGENTS HAS NO OBLIGATION TO PROVIDE |
| MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
| |
| =============================================================================*/ |
| |
| #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 |
| |