return c;
}
+uint8_t bitpop32(uint32_t bits)
+{
+ uint8_t c;
+ for (c = 0; bits; c++)
+ bits &= bits - 1;
+ return c;
+}
+
// most significant on-bit - return highest location of on-bit
// NOTE: return 0 when bit0 is on or all bits are off
uint8_t biton(uint8_t bits)
if (bits >> 1) { bits >>= 1; n += 1;}
return n;
}
+
+uint8_t biton32(uint32_t bits)
+{
+ uint8_t n = 0;
+ if (bits >>16) { bits >>=16; n +=16;}
+ if (bits >> 8) { bits >>= 8; n += 8;}
+ if (bits >> 4) { bits >>= 4; n += 4;}
+ if (bits >> 2) { bits >>= 2; n += 2;}
+ if (bits >> 1) { bits >>= 1; n += 1;}
+ return n;
+}