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Annotation of 43BSD/undoc/fpe.c, revision 1.1.1.1

1.1       root        1: From research!ikeya!rob  Sun Sep 13 17:04:21 1981
                      2: /*
                      3:  * This program prints an infinite number of fpe's,
                      4:  * because the pc is not advanced on FPE's.
                      5:  * 11/750 microcode bug.
                      6:  * On 11/780, die from Operand fault, which is
                      7:  * correct.
                      8:  * Please try it on your 750 and tell me what happens.
                      9: */
                     10: #include <signal.h>
                     11: inter(){
                     12:        printf("fpe\n");
                     13:        signal(SIGFPE, inter);
                     14:        return;
                     15: }
                     16: main(){
                     17:        double x=0.0;
                     18:        signal(SIGFPE, inter);
                     19:        printf("%f\n", 3.4/x);
                     20: }
                     21: 
                     22: 

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