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446 lines
12 KiB
446 lines
12 KiB
/* $Id$ |
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* |
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* Copyright (C) 2001 Peter Johnson |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS'' |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifdef HAVE_CONFIG_H |
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# include <config.h> |
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#endif |
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#ifdef STDC_HEADERS |
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# include <stdlib.h> |
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# include <string.h> |
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#endif |
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#include <stdio.h> |
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#include "libyasm/floatnum.c" |
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|
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/* constants describing parameters of internal floating point format. |
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* (these should match those in src/floatnum.c !) |
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*/ |
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#define MANT_BITS 80 |
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#define MANT_BYTES 10 |
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typedef struct Init_Entry_s { |
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/* input ASCII value */ |
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const char *ascii; |
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/* correct output from ASCII conversion */ |
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unsigned char mantissa[MANT_BYTES]; /* little endian mantissa - first |
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byte is not checked for |
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correctness. */ |
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unsigned short exponent; /* bias 32767 exponent */ |
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unsigned char sign; |
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unsigned char flags; |
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/* correct output conversions - these should be *exact* matches */ |
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int ret32; |
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unsigned char result32[4]; |
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int ret64; |
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unsigned char result64[8]; |
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int ret80; |
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unsigned char result80[10]; |
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} Init_Entry; |
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/* Values used for normalized tests */ |
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static Init_Entry normalized_vals[] = { |
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{ "3.141592653589793", |
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{0xc6,0x0d,0xe9,0xbd,0x68,0x21,0xa2,0xda,0x0f,0xc9},0x8000,0,0, |
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0, {0xdb,0x0f,0x49,0x40}, |
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0, {0x18,0x2d,0x44,0x54,0xfb,0x21,0x09,0x40}, |
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0, {0xe9,0xbd,0x68,0x21,0xa2,0xda,0x0f,0xc9,0x00,0x40} |
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}, |
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{ "-3.141592653589793", |
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{0xc6,0x0d,0xe9,0xbd,0x68,0x21,0xa2,0xda,0x0f,0xc9},0x8000,1,0, |
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0, {0xdb,0x0f,0x49,0xc0}, |
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0, {0x18,0x2d,0x44,0x54,0xfb,0x21,0x09,0xc0}, |
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0, {0xe9,0xbd,0x68,0x21,0xa2,0xda,0x0f,0xc9,0x00,0xc0} |
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}, |
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{ "1.e16", |
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{0x00,0x00,0x00,0x00,0x00,0x04,0xbf,0xc9,0x1b,0x8e},0x8034,0,0, |
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0, {0xca,0x1b,0x0e,0x5a}, |
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0, {0x00,0x80,0xe0,0x37,0x79,0xc3,0x41,0x43}, |
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0, {0x00,0x00,0x00,0x04,0xbf,0xc9,0x1b,0x8e,0x34,0x40} |
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}, |
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{ "1.6e-20", |
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{0xf6,0xd3,0xee,0x7b,0xda,0x74,0x50,0xa0,0x1d,0x97},0x7fbd,0,0, |
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0, {0xa0,0x1d,0x97,0x1e}, |
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0, {0x4f,0x9b,0x0e,0x0a,0xb4,0xe3,0xd2,0x3b}, |
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0, {0xef,0x7b,0xda,0x74,0x50,0xa0,0x1d,0x97,0xbd,0x3f} |
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}, |
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{ "-5876.", |
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{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xa0,0xb7},0x800b,1,0, |
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0, {0x00,0xa0,0xb7,0xc5}, |
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0, {0x00,0x00,0x00,0x00,0x00,0xf4,0xb6,0xc0}, |
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0, {0x00,0x00,0x00,0x00,0x00,0x00,0xa0,0xb7,0x0b,0xc0} |
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}, |
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}; |
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/* Still normalized values, but edge cases of various sizes, testing underflow/ |
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* overflow checks as well. |
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*/ |
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static Init_Entry normalized_edgecase_vals[] = { |
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/* 32-bit edges */ |
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{ "1.1754943508222875e-38", |
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{0xd5,0xf2,0x82,0xff,0xff,0xff,0xff,0xff,0xff,0xff},0x7f80,0,0, |
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0, {0x00,0x00,0x80,0x00}, |
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0, {0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x38}, |
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0, {0x83,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x80,0x3f} |
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}, |
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{ "3.4028234663852886e+38", |
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{0x21,0x35,0x0a,0x00,0x00,0x00,0x00,0xff,0xff,0xff},0x807e,0,0, |
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0, {0xff,0xff,0x7f,0x7f}, |
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0, {0x00,0x00,0x00,0xe0,0xff,0xff,0xef,0x47}, |
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0, {0x0a,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0x7e,0x40} |
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}, |
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/* 64-bit edges */ |
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{ "2.2250738585072014E-308", |
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{0x26,0x18,0x46,0x00,0x00,0x00,0x00,0x00,0x00,0x80},0x7c01,0,0, |
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-1, {0x00,0x00,0x00,0x00}, |
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0, {0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00}, |
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0, {0x46,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x01,0x3c} |
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}, |
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{ "1.7976931348623157E+308", |
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{0x26,0x6b,0xac,0xf7,0xff,0xff,0xff,0xff,0xff,0xff},0x83fe,0,0, |
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1, {0x00,0x00,0x80,0x7f}, |
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0, {0xff,0xff,0xff,0xff,0xff,0xff,0xef,0x7f}, |
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0, {0xac,0xf7,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0x43} |
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}, |
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/* 80-bit edges */ |
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/* { "3.3621E-4932", |
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{},,0,0, |
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-1, {0x00,0x00,0x00,0x00}, |
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-1, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, |
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0, {} |
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}, |
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{ "1.1897E+4932", |
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{},,0,0, |
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1, {0x00,0x00,0x80,0x7f}, |
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1, {}, |
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0, {} |
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},*/ |
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/* internal format edges */ |
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/* { |
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}, |
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{ |
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},*/ |
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}; |
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static yasm_floatnum *flt; |
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/* failure messages */ |
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static char ret_msg[1024], result_msg[1024]; |
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static void |
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new_setup(Init_Entry *vals, int i) |
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{ |
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flt = yasm_floatnum_create(vals[i].ascii); |
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strcpy(result_msg, vals[i].ascii); |
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strcat(result_msg, ": incorrect "); |
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} |
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static int |
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new_check_flt(Init_Entry *val) |
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{ |
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unsigned char *mantissa; |
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int i, result = 0; |
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unsigned int len; |
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mantissa = BitVector_Block_Read(flt->mantissa, &len); |
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for (i=1;i<MANT_BYTES;i++) /* don't compare first byte */ |
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if (mantissa[i] != val->mantissa[i]) |
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result = 1; |
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free(mantissa); |
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if (result) { |
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strcat(result_msg, "mantissa"); |
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return 1; |
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} |
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if (flt->exponent != val->exponent) { |
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strcat(result_msg, "exponent"); |
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return 1; |
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} |
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if (flt->sign != val->sign) { |
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strcat(result_msg, "sign"); |
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return 1; |
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} |
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if (flt->flags != val->flags) { |
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strcat(result_msg, "flags"); |
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return 1; |
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} |
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return 0; |
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} |
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static int |
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test_new_normalized(void) |
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{ |
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Init_Entry *vals = normalized_vals; |
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int i, num = sizeof(normalized_vals)/sizeof(Init_Entry); |
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for (i=0; i<num; i++) { |
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new_setup(vals, i); |
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if (new_check_flt(&vals[i]) != 0) |
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return 1; |
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yasm_floatnum_destroy(flt); |
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} |
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return 0; |
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} |
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static int |
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test_new_normalized_edgecase(void) |
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{ |
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Init_Entry *vals = normalized_edgecase_vals; |
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int i, num = sizeof(normalized_edgecase_vals)/sizeof(Init_Entry); |
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for (i=0; i<num; i++) { |
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new_setup(vals, i); |
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if (new_check_flt(&vals[i]) != 0) |
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return 1; |
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yasm_floatnum_destroy(flt); |
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} |
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return 0; |
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} |
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static void |
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get_family_setup(void) |
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{ |
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flt = malloc(sizeof(yasm_floatnum)); |
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flt->mantissa = BitVector_Create(MANT_BITS, TRUE); |
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} |
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static void |
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get_family_teardown(void) |
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{ |
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BitVector_Destroy(flt->mantissa); |
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free(flt); |
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} |
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static void |
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get_common_setup(Init_Entry *vals, int i) |
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{ |
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/* set up flt */ |
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BitVector_Block_Store(flt->mantissa, vals[i].mantissa, MANT_BYTES); |
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flt->sign = vals[i].sign; |
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flt->exponent = vals[i].exponent; |
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flt->flags = vals[i].flags; |
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/* set failure messages */ |
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strcpy(ret_msg, vals[i].ascii); |
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strcat(ret_msg, ": incorrect return value"); |
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strcpy(result_msg, vals[i].ascii); |
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strcat(result_msg, ": incorrect result generated"); |
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} |
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#if 0 |
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static void |
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append_get_return_value(int val) |
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{ |
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char str[64]; |
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sprintf(str, ": %d", val); |
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strcat(ret_msg, str); |
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} |
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#endif |
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static int |
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get_common_check_result(int len, const unsigned char *val, |
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const unsigned char *correct) |
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{ |
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char str[64]; |
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int i; |
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int result = 0; |
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for (i=0;i<len;i++) |
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if (val[i] != correct[i]) |
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result = 1; |
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if (result) { |
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for (i=0; i<len; i++) |
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sprintf(str+3*i, "%02x ", val[i]); |
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strcat(result_msg, ": "); |
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strcat(result_msg, str); |
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} |
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return result; |
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} |
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/* |
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* get_single tests |
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*/ |
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static int |
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test_get_single_normalized(void) |
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{ |
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unsigned char outval[4]; |
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Init_Entry *vals = normalized_vals; |
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int i, num = sizeof(normalized_vals)/sizeof(Init_Entry); |
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for (i=0; i<num; i++) { |
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get_common_setup(vals, i); |
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if (yasm_floatnum_get_sized(flt, outval, 4, 32, 0, 0, 0) != |
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vals[i].ret32) |
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return 1; |
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if (get_common_check_result(4, outval, vals[i].result32) != 0) |
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return 1; |
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} |
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return 0; |
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} |
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static int |
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test_get_single_normalized_edgecase(void) |
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{ |
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unsigned char outval[4]; |
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Init_Entry *vals = normalized_edgecase_vals; |
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int i, num = sizeof(normalized_edgecase_vals)/sizeof(Init_Entry); |
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for (i=0; i<num; i++) { |
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get_common_setup(vals, i); |
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if (yasm_floatnum_get_sized(flt, outval, 4, 32, 0, 0, 0) != |
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vals[i].ret32) |
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return 1; |
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if (get_common_check_result(4, outval, vals[i].result32) != 0) |
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return 1; |
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} |
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return 0; |
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} |
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/* |
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* get_double tests |
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*/ |
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static int |
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test_get_double_normalized(void) |
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{ |
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unsigned char outval[8]; |
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Init_Entry *vals = normalized_vals; |
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int i, num = sizeof(normalized_vals)/sizeof(Init_Entry); |
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for (i=0; i<num; i++) { |
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get_common_setup(vals, i); |
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if (yasm_floatnum_get_sized(flt, outval, 8, 64, 0, 0, 0) != |
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vals[i].ret64) |
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return 1; |
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if (get_common_check_result(8, outval, vals[i].result64) != 0) |
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return 1; |
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} |
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return 0; |
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} |
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static int |
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test_get_double_normalized_edgecase(void) |
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{ |
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unsigned char outval[8]; |
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Init_Entry *vals = normalized_edgecase_vals; |
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int i, num = sizeof(normalized_edgecase_vals)/sizeof(Init_Entry); |
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for (i=0; i<num; i++) { |
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get_common_setup(vals, i); |
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if (yasm_floatnum_get_sized(flt, outval, 8, 64, 0, 0, 0) != |
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vals[i].ret64) |
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return 1; |
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if (get_common_check_result(8, outval, vals[i].result64) != 0) |
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return 1; |
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} |
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return 0; |
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} |
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/* |
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* get_extended tests |
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*/ |
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static int |
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test_get_extended_normalized(void) |
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{ |
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unsigned char outval[10]; |
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Init_Entry *vals = normalized_vals; |
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int i, num = sizeof(normalized_vals)/sizeof(Init_Entry); |
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for (i=0; i<num; i++) { |
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get_common_setup(vals, i); |
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if (yasm_floatnum_get_sized(flt, outval, 10, 80, 0, 0, 0) != |
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vals[i].ret80) |
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return 1; |
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if (get_common_check_result(10, outval, vals[i].result80) != 0) |
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return 1; |
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} |
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return 0; |
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} |
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static int |
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test_get_extended_normalized_edgecase(void) |
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{ |
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unsigned char outval[10]; |
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Init_Entry *vals = normalized_edgecase_vals; |
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int i, num = sizeof(normalized_edgecase_vals)/sizeof(Init_Entry); |
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for (i=0; i<num; i++) { |
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get_common_setup(vals, i); |
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if (yasm_floatnum_get_sized(flt, outval, 10, 80, 0, 0, 0) != |
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vals[i].ret80) |
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return 1; |
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if (get_common_check_result(10, outval, vals[i].result80) != 0) |
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return 1; |
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} |
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return 0; |
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} |
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char failed[1000]; |
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static int |
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runtest_(const char *testname, int (*testfunc)(void), void (*setup)(void), |
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void (*teardown)(void)) |
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{ |
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int nf; |
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if (setup) |
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setup(); |
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nf = testfunc(); |
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if (teardown) |
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teardown(); |
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printf("%c", nf>0 ? 'F':'.'); |
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fflush(stdout); |
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if (nf > 0) |
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sprintf(failed, "%s ** F: %s failed!\n", failed, testname); |
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return nf; |
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} |
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#define runtest(x,y,z) runtest_(#x,test_##x,y,z) |
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int |
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main(void) |
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{ |
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int nf = 0; |
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if (BitVector_Boot() != ErrCode_Ok) |
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return EXIT_FAILURE; |
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yasm_floatnum_initialize(); |
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failed[0] = '\0'; |
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printf("Test floatnum_test: "); |
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nf += runtest(new_normalized, NULL, NULL); |
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nf += runtest(new_normalized_edgecase, NULL, NULL); |
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nf += runtest(get_single_normalized, get_family_setup, get_family_teardown); |
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nf += runtest(get_single_normalized_edgecase, get_family_setup, get_family_teardown); |
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nf += runtest(get_double_normalized, get_family_setup, get_family_teardown); |
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nf += runtest(get_double_normalized_edgecase, get_family_setup, get_family_teardown); |
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nf += runtest(get_extended_normalized, get_family_setup, get_family_teardown); |
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nf += runtest(get_extended_normalized_edgecase, get_family_setup, get_family_teardown); |
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printf(" +%d-%d/8 %d%%\n%s", |
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8-nf, nf, 100*(8-nf)/8, failed); |
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return (nf == 0) ? EXIT_SUCCESS : EXIT_FAILURE; |
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}
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