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Diffstat (limited to 'source/luametatex/source/libraries/softposit/source/include/softposit_types.h')
| -rw-r--r-- | source/luametatex/source/libraries/softposit/source/include/softposit_types.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/source/luametatex/source/libraries/softposit/source/include/softposit_types.h b/source/luametatex/source/libraries/softposit/source/include/softposit_types.h new file mode 100644 index 000000000..fe862ca36 --- /dev/null +++ b/source/luametatex/source/libraries/softposit/source/include/softposit_types.h @@ -0,0 +1,139 @@ + +/*============================================================================ + +This C header file is part of the SoftPosit Posit Arithmetic Package +by S. H. Leong (Cerlane). + +Copyright 2017, 2018 A*STAR. All rights reserved. + +This C header file was based on SoftFloat IEEE Floating-Point Arithmetic +Package, Release 3d, by John R. Hauser. + +Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 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 softposit_types_h +#define softposit_types_h 1 + +#include <stdint.h> + +/*---------------------------------------------------------------------------- +| Types used to pass 16-bit, 32-bit, 64-bit, and 128-bit floating-point +| arguments and results to/from functions. These types must be exactly +| 16 bits, 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'). +*----------------------------------------------------------------------------*/ + +#ifdef SOFTPOSIT_EXACT + typedef struct { uint8_t v; bool exact; } posit8_t; + typedef struct { uint_fast16_t v; bool exact; } posit16_t; + typedef struct { uint32_t v; bool exact; } posit32_t; + typedef struct { uint64_t v; bool exact; } posit64_t; + typedef struct { uint64_t v[2]; bool exact; } posit128_t; + + typedef struct { uint64_t v[2]; bool exact; } quire16_t; +#else + typedef struct { uint8_t v; } posit8_t; + typedef struct { uint16_t v; } posit16_t; + typedef struct { uint32_t v; } posit32_t; + typedef struct { uint64_t v; } posit64_t; + typedef struct { uint64_t v[2]; } posit128_t; + + typedef struct { uint32_t v; } quire8_t; + typedef struct { uint64_t v[2]; } quire16_t; + typedef struct { uint64_t v[8]; } quire32_t; + + typedef struct { uint32_t v; } posit_2_t; + typedef struct { uint32_t v; } posit_1_t; + typedef struct { uint32_t v; } posit_0_t; + + typedef struct { uint64_t v[8]; } quire_2_t; + typedef struct { uint64_t v[8]; } quire_1_t; + typedef struct { uint64_t v[8]; } quire_0_t; + +#endif + + +#ifdef SOFTPOSIT_EXACT + typedef struct { uint8_t v; bool exact; } uint8e_t; + typedef struct { uint16_t v; bool exact; } uint16e_t; + typedef struct { uint32_t v; bool exact; } uint32e_t; + typedef struct { uint64_t v; bool exact; } uint64e_t; + typedef struct { uint64_t v[2]; bool exact; } uint128e_t; + + union ui8_p8 { uint8e_t ui; posit8_t p; }; + union ui16_p16 { uint16e_t ui; posit16_t p; }; + union ui32_p32 { uint32e_t ui; posit32_t p; }; + union ui64_p64 { uint64e_t ui; posit64_t p; }; + + union ui128_q16 { uint64_t ui[2]; quire16_t q; }; +#else + union ui8_p8 { uint8_t ui; posit8_t p; }; + union ui16_p16 { uint16_t ui; posit16_t p; }; + union ui32_p32 { uint32_t ui; posit32_t p; }; + union ui64_p64 { uint64_t ui; posit64_t p; }; + union ui128_p128c {uint64_t ui[2]; posit128_t p;}; //c to differentiate from original implementation + + union ui32_pX2 { uint32_t ui; posit_2_t p; }; + union ui32_pX1 { uint32_t ui; posit_1_t p; }; + union ui32_pX0 { uint32_t ui; posit_1_t p; }; + + union ui64_double { uint64_t ui; double d; }; + + union ui32_q8 { + uint32_t ui; // =0; // patched by HH because the compilers don't like this + quire8_t q; + }; + union ui128_q16 { + uint64_t ui[2]; // ={0,0}; // idem + quire16_t q; + }; + + union ui512_q32 { + uint64_t ui[8]; // ={0,0,0,0, 0,0,0,0}; // idme + quire32_t q; + }; + + union ui512_qX2 { + uint64_t ui[8]; // ={0,0,0,0, 0,0,0,0}; // idem + quire_2_t q; + }; + + union ui512_qX1 { + uint64_t ui[8]; // ={0,0,0,0, 0,0,0,0}; // idem + quire_1_t q; + }; +#endif + + +#endif + |