| |
| /*============================================================================ |
| |
| This C source file is part of TestFloat, Release 3e, a package of programs for |
| testing the correctness of floating-point arithmetic complying with the IEEE |
| Standard for Floating-Point, 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. |
| |
| =============================================================================*/ |
| |
| #include <stdbool.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include "platform.h" |
| #include "uint128.h" |
| #include "softfloat.h" |
| #include "writeHex.h" |
| |
| void writeHex_bool( bool a, char sepChar ) |
| { |
| |
| fputc( a ? '1' : '0', stdout ); |
| if ( sepChar ) fputc( sepChar, stdout ); |
| |
| } |
| |
| void writeHex_ui8( uint_fast8_t a, char sepChar ) |
| { |
| int digit; |
| |
| digit = a>>4 & 0xF; |
| if ( 9 < digit ) digit += 'A' - ('0' + 10); |
| fputc( '0' + digit, stdout ); |
| digit = a & 0xF; |
| if ( 9 < digit ) digit += 'A' - ('0' + 10); |
| fputc( '0' + digit, stdout ); |
| if ( sepChar ) fputc( sepChar, stdout ); |
| |
| } |
| |
| static void writeHex_ui12( uint_fast16_t a, char sepChar ) |
| { |
| int digit; |
| |
| digit = a>>8 & 0xF; |
| if ( 9 < digit ) digit += 'A' - ('0' + 10); |
| fputc( '0' + digit, stdout ); |
| digit = a>>4 & 0xF; |
| if ( 9 < digit ) digit += 'A' - ('0' + 10); |
| fputc( '0' + digit, stdout ); |
| digit = a & 0xF; |
| if ( 9 < digit ) digit += 'A' - ('0' + 10); |
| fputc( '0' + digit, stdout ); |
| if ( sepChar ) fputc( sepChar, stdout ); |
| |
| } |
| |
| void writeHex_ui16( uint_fast16_t a, char sepChar ) |
| { |
| int digit; |
| |
| digit = a>>12 & 0xF; |
| if ( 9 < digit ) digit += 'A' - ('0' + 10); |
| fputc( '0' + digit, stdout ); |
| digit = a>>8 & 0xF; |
| if ( 9 < digit ) digit += 'A' - ('0' + 10); |
| fputc( '0' + digit, stdout ); |
| digit = a>>4 & 0xF; |
| if ( 9 < digit ) digit += 'A' - ('0' + 10); |
| fputc( '0' + digit, stdout ); |
| digit = a & 0xF; |
| if ( 9 < digit ) digit += 'A' - ('0' + 10); |
| fputc( '0' + digit, stdout ); |
| if ( sepChar ) fputc( sepChar, stdout ); |
| |
| } |
| |
| void writeHex_ui32( uint_fast32_t a, char sepChar ) |
| { |
| |
| writeHex_ui16( a>>16, 0 ); |
| writeHex_ui16( a, sepChar ); |
| |
| } |
| |
| void writeHex_ui64( uint_fast64_t a, char sepChar ) |
| { |
| |
| writeHex_ui32( a>>32, 0 ); |
| writeHex_ui32( a, sepChar ); |
| |
| } |
| |
| #ifdef FLOAT16 |
| |
| void writeHex_f16( float16_t a, char sepChar ) |
| { |
| union { uint16_t ui; float16_t f; } uA; |
| uint_fast16_t uiA; |
| |
| uA.f = a; |
| uiA = uA.ui; |
| fputc( uiA & 0x8000 ? '-' : '+', stdout ); |
| writeHex_ui8( uiA>>10 & 0x1F, 0 ); |
| fputc( '.', stdout ); |
| fputc( '0' + (uiA>>8 & 3), stdout ); |
| writeHex_ui8( uiA, sepChar ); |
| |
| } |
| |
| #endif |
| |
| void writeHex_f32( float32_t a, char sepChar ) |
| { |
| union { uint32_t ui; float32_t f; } uA; |
| uint_fast32_t uiA; |
| |
| uA.f = a; |
| uiA = uA.ui; |
| fputc( uiA & 0x80000000 ? '-' : '+', stdout ); |
| writeHex_ui8( uiA>>23, 0 ); |
| fputc( '.', stdout ); |
| writeHex_ui8( uiA>>16 & 0x7F, 0 ); |
| writeHex_ui16( uiA, sepChar ); |
| |
| } |
| |
| #ifdef FLOAT64 |
| |
| void writeHex_f64( float64_t a, char sepChar ) |
| { |
| union { uint64_t ui; float64_t f; } uA; |
| uint_fast64_t uiA; |
| |
| uA.f = a; |
| uiA = uA.ui; |
| fputc( uiA & UINT64_C( 0x8000000000000000 ) ? '-' : '+', stdout ); |
| writeHex_ui12( uiA>>52 & 0x7FF, 0 ); |
| fputc( '.', stdout ); |
| writeHex_ui12( uiA>>40, 0 ); |
| writeHex_ui8( uiA>>32, 0 ); |
| writeHex_ui32( uiA, sepChar ); |
| |
| } |
| |
| #endif |
| |
| #ifdef EXTFLOAT80 |
| |
| void writeHex_extF80M( const extFloat80_t *aPtr, char sepChar ) |
| { |
| const struct extFloat80M *aSPtr; |
| uint_fast16_t uiA64; |
| |
| aSPtr = (const struct extFloat80M *) aPtr; |
| uiA64 = aSPtr->signExp; |
| fputc( uiA64 & 0x8000 ? '-' : '+', stdout ); |
| writeHex_ui16( uiA64 & 0x7FFF, 0 ); |
| fputc( '.', stdout ); |
| writeHex_ui64( aSPtr->signif, sepChar ); |
| |
| } |
| |
| #endif |
| |
| #ifdef FLOAT128 |
| |
| void writeHex_f128M( const float128_t *aPtr, char sepChar ) |
| { |
| const struct uint128 *uiAPtr; |
| uint_fast64_t uiA64; |
| |
| uiAPtr = (const struct uint128 *) aPtr; |
| uiA64 = uiAPtr->v64; |
| fputc( uiA64 & UINT64_C( 0x8000000000000000 ) ? '-' : '+', stdout ); |
| writeHex_ui16( uiA64>>48 & 0x7FFF, 0 ); |
| fputc( '.', stdout ); |
| writeHex_ui16( uiA64>>32, 0 ); |
| writeHex_ui32( uiA64, 0 ); |
| writeHex_ui64( uiAPtr->v0, sepChar ); |
| |
| } |
| |
| #endif |
| |
| void writeHex_softfloat_flags( uint_fast8_t flags, char sepChar ) |
| { |
| |
| fputc( flags & softfloat_flag_invalid ? 'v' : '.', stdout ); |
| fputc( flags & softfloat_flag_infinite ? 'i' : '.', stdout ); |
| fputc( flags & softfloat_flag_overflow ? 'o' : '.', stdout ); |
| fputc( flags & softfloat_flag_underflow ? 'u' : '.', stdout ); |
| fputc( flags & softfloat_flag_inexact ? 'x' : '.', stdout ); |
| if ( sepChar ) fputc( sepChar, stdout ); |
| |
| } |
| |