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[/] [openrisc/] [trunk/] [orpsocv2/] [sw/] [tests/] [or1200/] [sim/] [or1200-float.c] - Rev 733
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/* * 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); }
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