390 lines
9.6 KiB
C
390 lines
9.6 KiB
C
/**************************************************************************
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*
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* Copyright 2009 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* @file
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* Shared testing code.
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*
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* @author Jose Fonseca <jfonseca@vmware.com>
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*/
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#include "lp_bld_const.h"
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#include "lp_test.h"
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void
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dump_type(FILE *fp,
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struct lp_type type)
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{
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fprintf(fp, "%s%s%u%sx%u",
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type.sign ? (type.floating || type.fixed ? "" : "s") : "u",
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type.floating ? "f" : (type.fixed ? "h" : "i"),
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type.width,
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type.norm ? "n" : "",
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type.length);
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}
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double
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read_elem(struct lp_type type, const void *src, unsigned index)
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{
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double scale = lp_const_scale(type);
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double value;
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assert(index < type.length);
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if (type.floating) {
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switch(type.width) {
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case 32:
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value = *((const float *)src + index);
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break;
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case 64:
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value = *((const double *)src + index);
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break;
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default:
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assert(0);
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return 0.0;
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}
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}
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else {
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if(type.sign) {
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switch(type.width) {
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case 8:
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value = *((const int8_t *)src + index);
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break;
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case 16:
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value = *((const int16_t *)src + index);
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break;
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case 32:
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value = *((const int32_t *)src + index);
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break;
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case 64:
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value = *((const int64_t *)src + index);
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break;
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default:
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assert(0);
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return 0.0;
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}
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}
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else {
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switch(type.width) {
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case 8:
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value = *((const uint8_t *)src + index);
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break;
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case 16:
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value = *((const uint16_t *)src + index);
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break;
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case 32:
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value = *((const uint32_t *)src + index);
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break;
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case 64:
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value = *((const uint64_t *)src + index);
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break;
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default:
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assert(0);
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return 0.0;
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}
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}
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}
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return value/scale;
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}
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void
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write_elem(struct lp_type type, void *dst, unsigned index, double value)
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{
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assert(index < type.length);
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if(!type.sign && value < 0.0)
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value = 0.0;
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if(type.norm && value < -1.0)
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value = -1.0;
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if(type.norm && value > 1.0)
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value = 1.0;
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if (type.floating) {
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switch(type.width) {
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case 32:
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*((float *)dst + index) = (float)(value);
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break;
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case 64:
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*((double *)dst + index) = value;
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break;
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default:
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assert(0);
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}
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}
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else {
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double scale = lp_const_scale(type);
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value = round(value*scale);
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if(type.sign) {
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long long lvalue = (long long)value;
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lvalue = MIN2(lvalue, ((long long)1 << (type.width - 1)) - 1);
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switch(type.width) {
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case 8:
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*((int8_t *)dst + index) = (int8_t)lvalue;
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break;
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case 16:
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*((int16_t *)dst + index) = (int16_t)lvalue;
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break;
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case 32:
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*((int32_t *)dst + index) = (int32_t)lvalue;
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break;
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case 64:
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*((int64_t *)dst + index) = (int64_t)lvalue;
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break;
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default:
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assert(0);
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}
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}
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else {
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unsigned long long lvalue = (long long)value;
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lvalue = MIN2(lvalue, ((unsigned long long)1 << type.width) - 1);
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switch(type.width) {
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case 8:
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*((uint8_t *)dst + index) = (uint8_t)lvalue;
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break;
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case 16:
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*((uint16_t *)dst + index) = (uint16_t)lvalue;
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break;
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case 32:
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*((uint32_t *)dst + index) = (uint32_t)lvalue;
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break;
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case 64:
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*((uint64_t *)dst + index) = (uint64_t)lvalue;
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break;
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default:
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assert(0);
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}
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}
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}
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}
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void
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random_elem(struct lp_type type, void *dst, unsigned index)
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{
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double value;
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assert(index < type.length);
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value = (double)rand()/(double)RAND_MAX;
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if(!type.norm) {
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unsigned long long mask;
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if (type.floating)
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mask = ~(unsigned long long)0;
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else if (type.fixed)
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mask = ((unsigned long long)1 << (type.width / 2)) - 1;
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else if (type.sign)
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mask = ((unsigned long long)1 << (type.width - 1)) - 1;
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else
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mask = ((unsigned long long)1 << type.width) - 1;
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value += (double)(mask & rand());
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}
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if(!type.sign)
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if(rand() & 1)
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value = -value;
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write_elem(type, dst, index, value);
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}
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void
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read_vec(struct lp_type type, const void *src, double *dst)
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{
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unsigned i;
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for (i = 0; i < type.length; ++i)
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dst[i] = read_elem(type, src, i);
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}
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void
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write_vec(struct lp_type type, void *dst, const double *src)
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{
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unsigned i;
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for (i = 0; i < type.length; ++i)
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write_elem(type, dst, i, src[i]);
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}
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float
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random_float(void)
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{
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return (float)((double)rand()/(double)RAND_MAX);
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}
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void
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random_vec(struct lp_type type, void *dst)
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{
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unsigned i;
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for (i = 0; i < type.length; ++i)
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random_elem(type, dst, i);
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}
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boolean
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compare_vec_with_eps(struct lp_type type, const void *res, const void *ref, double eps)
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{
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unsigned i;
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for (i = 0; i < type.length; ++i) {
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double res_elem = read_elem(type, res, i);
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double ref_elem = read_elem(type, ref, i);
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double delta = fabs(res_elem - ref_elem);
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if(delta >= 2.0*eps)
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return FALSE;
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}
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return TRUE;
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}
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boolean
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compare_vec(struct lp_type type, const void *res, const void *ref)
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{
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double eps = lp_const_eps(type);
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return compare_vec_with_eps(type, res, ref, eps);
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}
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void
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dump_vec(FILE *fp, struct lp_type type, const void *src)
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{
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unsigned i;
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for (i = 0; i < type.length; ++i) {
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if(i)
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fprintf(fp, " ");
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if (type.floating) {
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double value;
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switch(type.width) {
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case 32:
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value = *((const float *)src + i);
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break;
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case 64:
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value = *((const double *)src + i);
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break;
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default:
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assert(0);
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value = 0.0;
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}
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fprintf(fp, "%f", value);
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}
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else {
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if(type.sign && !type.norm) {
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long long value;
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const char *format;
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switch(type.width) {
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case 8:
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value = *((const int8_t *)src + i);
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format = "%3lli";
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break;
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case 16:
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value = *((const int16_t *)src + i);
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format = "%5lli";
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break;
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case 32:
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value = *((const int32_t *)src + i);
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format = "%10lli";
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break;
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case 64:
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value = *((const int64_t *)src + i);
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format = "%20lli";
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break;
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default:
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assert(0);
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value = 0.0;
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format = "?";
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}
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fprintf(fp, format, value);
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}
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else {
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unsigned long long value;
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const char *format;
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switch(type.width) {
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case 8:
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value = *((const uint8_t *)src + i);
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format = type.norm ? "%2x" : "%4llu";
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break;
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case 16:
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value = *((const uint16_t *)src + i);
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format = type.norm ? "%4x" : "%6llx";
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break;
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case 32:
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value = *((const uint32_t *)src + i);
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format = type.norm ? "%8x" : "%11llx";
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break;
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case 64:
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value = *((const uint64_t *)src + i);
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format = type.norm ? "%16x" : "%21llx";
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break;
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default:
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assert(0);
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value = 0.0;
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format = "?";
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}
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fprintf(fp, format, value);
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}
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}
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}
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}
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int main(int argc, char **argv)
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{
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unsigned verbose = 0;
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FILE *fp = NULL;
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unsigned long n = 1000;
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unsigned i;
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boolean success;
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for(i = 1; i < argc; ++i) {
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if(strcmp(argv[i], "-v") == 0)
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++verbose;
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else if(strcmp(argv[i], "-o") == 0)
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fp = fopen(argv[++i], "wt");
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else
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n = atoi(argv[i]);
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}
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#ifdef LLVM_NATIVE_ARCH
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LLVMLinkInJIT();
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LLVMInitializeNativeTarget();
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#endif
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if(fp) {
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/* Warm up the caches */
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test_some(0, NULL, 100);
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write_tsv_header(fp);
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}
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if(n)
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success = test_some(verbose, fp, n);
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else
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success = test_all(verbose, fp);
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if(fp)
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fclose(fp);
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return success ? 0 : 1;
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}
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