Subversion Repositories openrisc

/*

 * Trivial test of floating point capability, be it hardware or software.

 *

 */

#include "cpu-utils.h"

int main()

{

  volatile int a = 5;

  volatile float a_float;

  volatile int * int_ptr;

  volatile float b = 9232.25;

  report((int)b);

  // test float to int

  if ((int) b != 9232)

    exit(1);

  a_float = (float) a; // Should convert to float

  int_ptr = (int*) &a_float;

  //report((int)*((int*)void_ptr));

  report(*int_ptr);

  if (*int_ptr != 0x40A00000)// is decimal 5 in single prec. float

    exit(2);

  // Should be 343.3 * 8.6

  volatile float c = (float) 343.3 * (float) ((float) 79397.35 / (float) b );

  volatile float* d = 0x0;

  *d = c;

  // C should be 0x45388615

  int_ptr = (int*) &c;

  report(*int_ptr);

  if (*int_ptr != 0x45388615)

    exit(3);

  report(0x8000000d);

  exit(0);

}