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#include <stdio.h>
#include <fenv.h>
#include <float.h>
#ifdef __K1C__
#include <mppa_bare_runtime/k1c/registers.h>
int fetestexcept(int excepts) {
int mask = (K1_SFR_CS_IO_MASK | K1_SFR_CS_DZ_MASK | K1_SFR_CS_OV_MASK | K1_SFR_CS_UN_MASK | K1_SFR_CS_IN_MASK) & excepts;
unsigned long long cs = __builtin_k1_get(K1_SFR_CS);
return cs & mask;
}
int feclearexcept(int excepts) {
int mask = (K1_SFR_CS_IO_MASK | K1_SFR_CS_DZ_MASK | K1_SFR_CS_OV_MASK | K1_SFR_CS_UN_MASK | K1_SFR_CS_IN_MASK) & excepts;
__builtin_k1_wfxl(K1_SFR_CS, mask);
return 0;
}
#endif
#pragma STDC FENV_ACCESS ON
double add(double x, double y) {
return x+y;
}
double mul(double x, double y) {
return x*y;
}
int main() {
printf("%x\n", fetestexcept(FE_ALL_EXCEPT));
double v1 = add(3.0, 0.1);
printf("%x\n", fetestexcept(FE_ALL_EXCEPT));
feclearexcept(FE_INEXACT);
printf("%x\n", fetestexcept(FE_ALL_EXCEPT));
double v2 = mul(DBL_MAX, DBL_MAX);
printf("%g %x\n", v2, fetestexcept(FE_ALL_EXCEPT));
feclearexcept(FE_ALL_EXCEPT);
double v3 = mul(DBL_MIN, DBL_MIN);
printf("%g %x\n", v3, fetestexcept(FE_ALL_EXCEPT));
}
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