diff options
Diffstat (limited to 'contrib/bit/vartest.c')
| -rw-r--r-- | contrib/bit/vartest.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/contrib/bit/vartest.c b/contrib/bit/vartest.c index 7725f6bbd30..e69de29bb2d 100644 --- a/contrib/bit/vartest.c +++ b/contrib/bit/vartest.c @@ -1,184 +0,0 @@ -#include "postgres.h" -#include "varbit.h" -#include <stdio.h> - -void print_details(unsigned char *s); - -const int numb = 8; - -/* -const char *b[] = { "B0010", "B11011011", "B0001", "X3F12", "X27", "B", - "X11", "B100111"}; -int atttypmod[] = {-1, -1, -1,-1,-1,-1,-1,-1 }; -*/ -const char *b[] = {"B0010", "B11011011", "B10001", "X3D12", "X27", "B", -"X11", "B100111"}; -int atttypmod[] = {7, 9, 6, 18, 11, 6, -1, -1}; - - -void -print_details(unsigned char *s) -{ - int i; - - printf("Length in bytes : %d\n", VARSIZE(s)); - printf("Length of bitstring: %d\n", VARBITLEN(s)); - for (i = 8; i < VARSIZE(s); i++) - printf("%X%X ", s[i] >> 4, s[i] & 0xF); - printf("\n"); -} - -int -main() -{ - int i, - j; - char *s[numb]; - - for (i = 0; i < numb; i++) - { - printf("Input: %s\n", b[i]); - s[i] = zpbitin(b[i], 0, atttypmod[i]); - //print_details(s[i]); - printf("%s = %s\n", zpbitout(s[i]), zpbitsout(s[i])); - } - - printf("\nCOMPARISONS:\n"); - for (i = 0; i < numb; i++) - for (j = i + 1; j < numb; j++) - printf("%s <=> %s = %d\n", zpbitsout(s[i]), zpbitsout(s[j]), - bitcmp(s[i], s[j])); - - printf("\nCONCATENATION:\n"); - for (i = 0; i < numb; i++) - for (j = i + 1; j < numb; j++) - printf("%s || %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]), - zpbitsout(bitcat(s[i], s[j]))); - - printf("\nSUBSTR:\n"); - printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 1, 8, - zpbitsout(bitsubstr(s[3], 1, 8))); - printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 9, 8, - zpbitsout(bitsubstr(s[3], 9, 8))); - printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 1, 9, - zpbitsout(bitsubstr(s[3], 1, 9))); - printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 3, 5, - zpbitsout(bitsubstr(s[3], 3, 5))); - printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 3, 9, - zpbitsout(bitsubstr(s[3], 3, 9))); - printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 3, 17, - zpbitsout(bitsubstr(s[3], 3, 17))); - printf("\nLOGICAL AND:\n"); - for (i = 0; i < numb; i++) - for (j = i + 1; j < numb; j++) - printf("%s & %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]), - zpbitsout(bitand(s[i], s[j]))); - - printf("\nLOGICAL OR:\n"); - for (i = 0; i < numb; i++) - for (j = i + 1; j < numb; j++) - printf("%s | %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]), - zpbitsout(bitor(s[i], s[j]))); - - printf("\nLOGICAL XOR:\n"); - for (i = 0; i < numb; i++) - for (j = i + 1; j < numb; j++) - printf("%s ^ %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]), - zpbitsout(bitxor(s[i], s[j]))); - - printf("\nLOGICAL NOT:\n"); - for (i = 0; i < numb; i++) - printf("~%s = %s\n", zpbitsout(s[i]), zpbitsout(bitnot(s[i]))); - - - printf("\nSHIFT LEFT:\n"); - for (i = 0; i < numb; i++) - { - printf("%s\n", zpbitsout(s[i])); - for (j = 0; j <= VARBITLEN(s[i]); j++) - printf("\t%3d\t%s\n", j, zpbitsout(bitshiftleft(s[i], j))); - } - - printf("\nSHIFT RIGHT:\n"); - for (i = 0; i < numb; i++) - { - printf("%s\n", zpbitsout(s[i])); - for (j = 0; j <= VARBITLEN(s[i]); j++) - printf("\t%3d\t%s\n", j, zpbitsout(bitshiftright(s[i], j))); - } - - printf("\n\n ********** VARYING **********\n"); - for (i = 0; i < numb; i++) - { - printf("Input: %s\n", b[i]); - s[i] = varbitin(b[i], 0, atttypmod[i]); - /* print_details(s); */ - printf("%s\n", zpbitout(s[i])); - printf("%s\n", zpbitsout(s[i])); - } - - printf("\nCOMPARISONS:\n"); - for (i = 0; i < numb; i++) - for (j = i + 1; j < numb; j++) - printf("%s <=> %s = %d\n", zpbitsout(s[i]), zpbitsout(s[j]), - bitcmp(s[i], s[j])); - - printf("\nCONCATENATION:\n"); - for (i = 0; i < numb; i++) - for (j = i + 1; j < numb; j++) - printf("%s || %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]), - zpbitsout(bitcat(s[i], s[j]))); - - printf("\nSUBSTR:\n"); - printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 1, 8, - zpbitsout(bitsubstr(s[3], 1, 8))); - printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 9, 8, - zpbitsout(bitsubstr(s[3], 9, 8))); - printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 1, 9, - zpbitsout(bitsubstr(s[3], 1, 9))); - printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 3, 5, - zpbitsout(bitsubstr(s[3], 3, 5))); - printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 3, 9, - zpbitsout(bitsubstr(s[3], 3, 9))); - printf("%s (%d,%d) => %s (%s)\n", zpbitsout(s[3]), 3, 17, - zpbitsout(bitsubstr(s[3], 3, 17)), zpbitsout(bitsubstr(s[3], 3, 17))); - printf("\nLOGICAL AND:\n"); - for (i = 0; i < numb; i++) - for (j = i + 1; j < numb; j++) - printf("%s & %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]), - zpbitsout(bitand(s[i], s[j]))); - - printf("\nLOGICAL OR:\n"); - for (i = 0; i < numb; i++) - for (j = i + 1; j < numb; j++) - printf("%s | %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]), - zpbitsout(bitor(s[i], s[j]))); - - printf("\nLOGICAL XOR:\n"); - for (i = 0; i < numb; i++) - for (j = i + 1; j < numb; j++) - printf("%s ^ %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]), - zpbitsout(bitxor(s[i], s[j]))); - - printf("\nLOGICAL NOT:\n"); - for (i = 0; i < numb; i++) - printf("~%s = %s\n", zpbitsout(s[i]), zpbitsout(bitnot(s[i]))); - - - printf("\nSHIFT LEFT:\n"); - for (i = 0; i < numb; i++) - { - printf("%s\n", zpbitsout(s[i])); - for (j = 0; j <= VARBITLEN(s[i]); j++) - printf("\t%3d\t%s\n", j, zpbitsout(bitshiftleft(s[i], j))); - } - - printf("\nSHIFT RIGHT:\n"); - for (i = 0; i < numb; i++) - { - printf("%s\n", zpbitsout(s[i])); - for (j = 0; j <= VARBITLEN(s[i]); j++) - printf("\t%3d\t%s\n", j, zpbitsout(bitshiftright(s[i], j))); - } - -} |