Richard Stallman, May 93:
In F_check, check NO_LONG_DOUBLE_IO.
+ Changes by Stephen Moshier, installed Sep 93:
+ (FPROP): Recognize 80387 or 68881 XFmode format.
+
+
COMPILING
With luck and a following wind, just the following will work:
cc enquire.c -o enquire
if (f_radix != 10) {
hidden=0;
mantbits=floor_log(2, (Long_double)f_radix)*f_mant_dig;
+ if (mantbits == 64
+ && iexp == 15
+ && f_max_exp+f_min_exp > 0 /* ??? f_min_exp may be wrong. */
+ && mantbits+iexp+17 == (int)sizeof(Number)*bits_per_byte) {
+ Vprintf("%sArithmetic probably doesn't use a hidden bit%s\n", co, oc);
+ Vprintf("%sIt's probably 80387 or 68881 extended real%s\n", co, oc);
+ goto is_extended;
+ }
if (mantbits+iexp == (int)sizeof(Number)*bits_per_byte) {
hidden=1;
Vprintf("%sArithmetic uses a hidden bit%s\n", co, oc);
f_mant_dig==53 ? "double" :
f_mant_dig >53 ? "extended" :
"some", oc);
+is_extended:
if (f_rounds != 1 || normal) {
Vprintf("%s though ", co);
if (f_rounds != 1) {