mtTest.c 2.5 KB

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  1. /*
  2. A C-program for MT19937, with initialization improved 2002/1/26.
  3. Coded by Takuji Nishimura and Makoto Matsumoto.
  4. Before using, initialize the state by using init_genrand(seed)
  5. or init_by_array(init_key, key_length).
  6. Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura,
  7. All rights reserved.
  8. Copyright (C) 2005, Mutsuo Saito,
  9. All rights reserved.
  10. Redistribution and use in source and binary forms, with or without
  11. modification, are permitted provided that the following conditions
  12. are met:
  13. 1. Redistributions of source code must retain the above copyright
  14. notice, this list of conditions and the following disclaimer.
  15. 2. Redistributions in binary form must reproduce the above copyright
  16. notice, this list of conditions and the following disclaimer in the
  17. documentation and/or other materials provided with the distribution.
  18. 3. The names of its contributors may not be used to endorse or promote
  19. products derived from this software without specific prior written
  20. permission.
  21. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22. "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23. LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24. A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  25. CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  26. EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  27. PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  28. PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  29. LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  30. NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  31. SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32. Any feedback is very welcome.
  33. http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html
  34. email: m-mat @ math.sci.hiroshima-u.ac.jp (remove space)
  35. */
  36. #include <stdio.h>
  37. #include "mt19937ar.h"
  38. int main(void)
  39. {
  40. int i;
  41. unsigned long init[4]={0x123, 0x234, 0x345, 0x456}, length=4;
  42. init_by_array(init, length);
  43. printf("1000 outputs of genrand_int32()\n");
  44. for (i=0; i<1000; i++) {
  45. printf("%10lu ", genrand_int32());
  46. if (i%5==4) printf("\n");
  47. }
  48. printf("\n1000 outputs of genrand_real2()\n");
  49. for (i=0; i<1000; i++) {
  50. printf("%10.8f ", genrand_real2());
  51. if (i%5==4) printf("\n");
  52. }
  53. return 0;
  54. }