INNER CODE UNIT · C
_b
AmigaPorts/ACE · src/fixmath/fix16.c:176
uint32_t _b = (inArg1 >= 0) ? inArg1 : (-inArg1);
uint8_t va[4] = {_a, (_a >> 8), (_a >> 16), (_a >> 24)};
uint8_t vb[4] = {_b, (_b >> 8), (_b >> 16), (_b >> 24)};
uint32_t low = 0;
uint32_t mid = 0;
// Result column i depends on va[0..i] and vb[i..0]
#ifndef FIXMATH_NO_OVERFLOW
// i = 6
if (va[3] && vb[3]) return fix16_overflow;
#endif
// i = 5
if (va[2] && vb[3]) mid += (uint16_t)va[2] * vb[3];
if (va[3] && vb[2]) mid += (uint16_t)va[3] * vb[2];