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else
}
if(FPSCR_I == 1) set_U();
}
if(FPSCR & ENABLE_OUI) fpu_exception_trap();
else
}
int check_product_invalid(int m,n)
{
return(check_product_infinity(m,n)
((data_type_of(m) == PZERO) || (data_type_of(n) == PZERO) ||
(data_type_of(m) == NZERO) || (data_type_of(n) == NZERO)));
}
int check_ product_infinity(int m,n)
{
return((data_type_of(m) == PINF) || (data_type_of(n) == PINF) ||
(data_type_of(m) == NINF) || (data_type_of(n) == NINF));
}
int check_ positive_infinity(int m,n)
{
return(((check_ product_infinity(m,n) && (~sign_of(m)^
sign_of(n))) ||
((check_ product_infinity(m+1,n+1) && (~sign_of(m+1)^
sign_of(n+1))) ||
((check_ product_infinity(m+2,n+2) && (~sign_of(m+2)^
sign_of(n+2))) ||
((check_ product_infinity(m+3,n+3) && (~sign_of(m+3)^
sign_of(n+3))));
}
int check_ negative_infinity(int m,n)
{
return(((check_ product_infinity(m,n) && (sign_of(m)^ sign_of(n))) ||
((check_ product_infinity(m+1,n+1) && (sign_of(m+1)^
sign_of(n+1))) ||
((check_ product_infinity(m+2,n+2) && (sign_of(m+2)^
sign_of(n+2))) ||
((check_ product_infinity(m+3,n+3) && (sign_of(m+3)^
sign_of(n+3))));
/* Zeroize denormalized number */
result =
0.0;
*dst = result;
&&
Rev. 2.0, 03/99, page 197 of 396
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