project64/Source/Project64-rsp-core/Hle/arithmetics.h

21 lines
487 B
C

// Project64 - A Nintendo 64 emulator
// https://www.pj64-emu.com/
// Copyright(C) 2001-2021 Project64
// Copyright(C) 2014 Bobby Smiles
// GNU/GPLv2 licensed: https://gnu.org/licenses/gpl-2.0.html
#pragma once
static inline int16_t clamp_s16(int_fast32_t x)
{
x = (x < INT16_MIN) ? INT16_MIN : x;
x = (x > INT16_MAX) ? INT16_MAX : x;
return (int16_t)x;
}
static inline int32_t vmulf(int16_t x, int16_t y)
{
return (((int32_t)(x)) * ((int32_t)(y)) + 0x4000) >> 15;
}