compare_complex_floats.c
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00001 /*******************************************************************************
00002   Copyright (c) 2010, Intel Corp.
00003   All rights reserved.
00004 
00005   Redistribution and use in source and binary forms, with or without
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00009       this list of conditions and the following disclaimer.
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00015       without specific prior written permission.
00016 
00017   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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00028 ********************************************************************************
00029 *   Contents: auxiliary test routine for C interface to LAPACK
00030 *   Author: Intel Corporation
00031 *   Created in December, 2009
00032 *
00033 *   Purpose
00034 *
00035 *   This routine tests two complex numbers for identity with a tolerance.
00036 *******************************************************************************/
00037 
00038 #include "test_utils.h"
00039 
00040 int compare_complex_floats( lapack_complex_float a,
00041                             lapack_complex_float b ) {
00042     float a_re = *((float*)&a);
00043     float a_im = *(((float*)&a)+1);
00044     float b_re = *((float*)&b);
00045     float b_im = *(((float*)&b)+1);
00046     float diff_re = ( a_re > b_re ) ? ( a_re - b_re ) : ( b_re - a_re );
00047     float diff_im = ( a_im > b_im ) ? ( a_im - b_im ) : ( b_im - a_im );
00048     return ( diff_re < SP_TOLERANCE &&
00049              diff_im < SP_TOLERANCE ) ? 0 : 1;
00050 }


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autogenerated on Sat Jun 8 2019 18:55:32