projjal commented on a change in pull request #10516:
URL: https://github.com/apache/arrow/pull/10516#discussion_r659336341
##########
File path: cpp/src/gandiva/precompiled/extended_math_ops.cc
##########
@@ -367,4 +367,33 @@ gdv_float64 get_scale_multiplier(gdv_int32 scale) {
return power_float64_float64(10.0, scale);
}
+// convert input unsigned long to its binary representation
+void bin(uint64_t n, char* ret, int32_t* position) {
+ if (n > 1) {
+ bin(n / 2, ret, position);
+ }
+ ret[*position] = (n % 2) == 0 ? '0' : '1';
+ *position += 1;
+}
+
+// returns the binary representation of a given integer (e.g. 928 ->
1110100000)
+#define BIN_INTEGER(IN_TYPE)
\
+ FORCE_INLINE
\
+ const char* bin_##IN_TYPE(int64_t context, gdv_##IN_TYPE value, int32_t*
out_len) { \
Review comment:
It doesn't work with negative integers
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