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Diffstat (limited to 'src/libs/softfloat-3e/testfloat/source/readHex.c')
| -rw-r--r-- | src/libs/softfloat-3e/testfloat/source/readHex.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/libs/softfloat-3e/testfloat/source/readHex.c b/src/libs/softfloat-3e/testfloat/source/readHex.c new file mode 100644 index 00000000..0e1b50c7 --- /dev/null +++ b/src/libs/softfloat-3e/testfloat/source/readHex.c @@ -0,0 +1,190 @@ + +/*============================================================================ + +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 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 "readHex.h" + +bool readHex_bool( bool *aPtr, char sepChar ) +{ + int i; + bool a; + + i = fgetc( stdin ); + if ( (i == EOF) || (i < '0') || ('1' < i) ) return false; + a = i - '0'; + if ( sepChar ) { + i = fgetc( stdin ); + if ( (sepChar != '\n') || (i != '\r') ) { + if ( i != sepChar ) return false; + } + } + *aPtr = a; + return true; + +} + +bool readHex_ui8( uint_least8_t *aPtr, char sepChar ) +{ + int i; + uint_fast8_t a; + + i = fgetc( stdin ); + if ( i == EOF ) return false; + if ( ('0' <= i) && (i <= '9') ) { + i -= '0'; + } else if ( ('A' <= i) && (i <= 'F') ) { + i -= 'A' - 10; + } else if ( ('a' <= i) && (i <= 'f') ) { + i -= 'a' - 10; + } else { + return false; + } + a = i<<4; + i = fgetc( stdin ); + if ( i == EOF ) return false; + if ( ('0' <= i) && (i <= '9') ) { + i -= '0'; + } else if ( ('A' <= i) && (i <= 'F') ) { + i -= 'A' - 10; + } else if ( ('a' <= i) && (i <= 'f') ) { + i -= 'a' - 10; + } else { + return false; + } + a |= i; + if ( sepChar ) { + i = fgetc( stdin ); + if ( (sepChar != '\n') || (i != '\r') ) { + if ( i != sepChar ) return false; + } + } + *aPtr = a; + return true; + +} + +bool readHex_ui16( uint16_t *aPtr, char sepChar ) +{ + int i; + uint_fast16_t a; + + i = fgetc( stdin ); + if ( i == EOF ) return false; + if ( ('0' <= i) && (i <= '9') ) { + i -= '0'; + } else if ( ('A' <= i) && (i <= 'F') ) { + i -= 'A' - 10; + } else if ( ('a' <= i) && (i <= 'f') ) { + i -= 'a' - 10; + } else { + return false; + } + a = (uint_fast16_t) i<<12; + i = fgetc( stdin ); + if ( i == EOF ) return false; + if ( ('0' <= i) && (i <= '9') ) { + i -= '0'; + } else if ( ('A' <= i) && (i <= 'F') ) { + i -= 'A' - 10; + } else if ( ('a' <= i) && (i <= 'f') ) { + i -= 'a' - 10; + } else { + return false; + } + a |= (uint_fast16_t) i<<8; + i = fgetc( stdin ); + if ( i == EOF ) return false; + if ( ('0' <= i) && (i <= '9') ) { + i -= '0'; + } else if ( ('A' <= i) && (i <= 'F') ) { + i -= 'A' - 10; + } else if ( ('a' <= i) && (i <= 'f') ) { + i -= 'a' - 10; + } else { + return false; + } + a |= (uint_fast16_t) i<<4; + i = fgetc( stdin ); + if ( i == EOF ) return false; + if ( ('0' <= i) && (i <= '9') ) { + i -= '0'; + } else if ( ('A' <= i) && (i <= 'F') ) { + i -= 'A' - 10; + } else if ( ('a' <= i) && (i <= 'f') ) { + i -= 'a' - 10; + } else { + return false; + } + a |= i; + if ( sepChar ) { + i = fgetc( stdin ); + if ( (sepChar != '\n') || (i != '\r') ) { + if ( i != sepChar ) return false; + } + } + *aPtr = a; + return true; + +} + +bool readHex_ui32( uint32_t *aPtr, char sepChar ) +{ + uint16_t v16, v0; + + if ( ! readHex_ui16( &v16, 0 ) || ! readHex_ui16( &v0, sepChar ) ) { + return false; + } + *aPtr = (uint_fast32_t) v16<<16 | v0; + return true; + +} + +bool readHex_ui64( uint64_t *aPtr, char sepChar ) +{ + uint32_t v32, v0; + + if ( ! readHex_ui32( &v32, 0 ) || ! readHex_ui32( &v0, sepChar ) ) { + return false; + } + *aPtr = (uint_fast64_t) v32<<32 | v0; + return true; + +} + |