version 1.1.1.1, 2000/09/09 14:12:19 |
version 1.1.1.2, 2003/08/25 16:06:10 |
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/* Test file for mpfr_log2. |
/* Test file for mpfr_log2. |
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Copyright (C) 1999 PolKA project, Inria Lorraine and Loria |
Copyright 2001 Free Software Foundation. |
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Adapted from tsinh.c. |
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This file is part of the MPFR Library. |
This file is part of the MPFR Library. |
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The MPFR Library is free software; you can redistribute it and/or modify |
The MPFR Library is free software; you can redistribute it and/or modify |
it under the terms of the GNU Library General Public License as published by |
it under the terms of the GNU Lesser General Public License as published by |
the Free Software Foundation; either version 2 of the License, or (at your |
the Free Software Foundation; either version 2.1 of the License, or (at your |
option) any later version. |
option) any later version. |
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The MPFR Library is distributed in the hope that it will be useful, but |
The MPFR Library is distributed in the hope that it will be useful, but |
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
License for more details. |
License for more details. |
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You should have received a copy of the GNU Library General Public License |
You should have received a copy of the GNU Lesser General Public License |
along with the MPFR Library; see the file COPYING.LIB. If not, write to |
along with the MPFR Library; see the file COPYING.LIB. If not, write to |
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
MA 02111-1307, USA. */ |
MA 02111-1307, USA. */ |
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#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include "gmp.h" |
#include "gmp.h" |
#include "mpfr.h" |
#include "mpfr.h" |
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#include "mpfr-test.h" |
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/* tlog2 [prec] [rnd] [0 = no print] */ |
#define TEST_FUNCTION mpfr_log2 |
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#include "tgeneric.c" |
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int main(argc, argv) int argc; char *argv[]; |
int |
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main (int argc, char *argv[]) |
{ |
{ |
mpfr_t x; int p; unsigned char rnd; |
test_generic (2, 100, 30); |
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p = (argc>1) ? atoi(argv[1]) : 53; |
return 0; |
rnd = (argc>2) ? atoi(argv[2]) : GMP_RNDZ; |
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mpfr_init2(x, p); |
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mpfr_log2(x, rnd); |
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if (argc>=2) { |
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printf("log(2)="); mpfr_out_str(stdout, 10, 0, x, rnd); putchar('\n'); |
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} |
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else if (mpfr_get_d(x) != 6.9314718055994530941e-1) { |
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fprintf(stderr, "mpfr_log2 failed for prec=53\n"); exit(1); |
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} |
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mpfr_clear(x); |
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exit (0); |
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} |
} |