59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
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/*
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Copyright (c) 2005-2020 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdexcept>
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#if _WIN32
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#include <io.h>
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#ifndef F_OK
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#define F_OK 0
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#endif
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#define access _access
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#else
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#include <unistd.h>
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#endif
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const long INPUT_SIZE = 1000000;
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//! Generates sample input for square.cpp
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void gen_input( const char *fname ) {
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long num = INPUT_SIZE;
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FILE *fptr = fopen(fname, "w");
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if(!fptr) {
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throw std::runtime_error("Could not open file for generating input");
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}
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int a=0;
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int b=1;
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for( long j=0; j<num; ++j ) {
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fprintf(fptr, "%u\n",a);
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b+=a;
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a=(b-a)%10000;
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if (a<0) a=-a;
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}
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if(fptr) {
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fclose(fptr);
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}
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}
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void generate_if_needed( const char *fname ) {
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if ( access(fname, F_OK) != 0 )
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gen_input(fname);
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}
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