mirror of
https://github.com/coop-deluxe/sm64coopdx.git
synced 2024-11-29 23:43:01 +00:00
30 lines
792 B
C
30 lines
792 B
C
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <math.h>
|
|
#include <assert.h>
|
|
|
|
#include "libc_impl.h"
|
|
#include "helpers.h"
|
|
|
|
#define RM_RN 0
|
|
#define RM_RZ 1
|
|
#define RM_RP 2
|
|
#define RM_RM 3
|
|
|
|
union FloatReg {
|
|
float f[2];
|
|
uint32_t w[2];
|
|
double d;
|
|
};
|
|
|
|
#define cvt_w_d(f) \
|
|
((fcsr & RM_RZ) ? ((isnan(f) || f <= -2147483649.0 || f >= 2147483648.0) ? (fcsr |= 0x40, 2147483647) : (int)f) : (assert(0), 0))
|
|
|
|
#define cvt_w_s(f) cvt_w_d((double)f)
|
|
|
|
static union FloatReg f0 = {{0, 0}}, f2 = {{0, 0}}, f4 = {{0, 0}}, f6 = {{0, 0}}, f8 = {{0, 0}},
|
|
f10 = {{0, 0}}, f12 = {{0, 0}}, f14 = {{0, 0}}, f16 = {{0, 0}}, f18 = {{0, 0}}, f20 = {{0, 0}},
|
|
f22 = {{0, 0}}, f24 = {{0, 0}}, f26 = {{0, 0}}, f28 = {{0, 0}}, f30 = {{0, 0}};
|
|
static uint32_t fcsr = 1;
|