diff options
| author | Damien George <damien@micropython.org> | 2020-09-04 00:32:39 +1000 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2020-09-04 00:45:56 +1000 |
| commit | 38959ed8f11970d47f4e07b720a590e65e80dc35 (patch) | |
| tree | 7a645e4093bd7b1d6ff7ff5a9a7ba5b957dbc3a4 | |
| parent | 40ad8f1666b265dafc7844d765f45cfae4b6299f (diff) | |
lib/libm: Reduce size of static two_over_pi array.
Thanks to Jeff Epler for the idea.
Signed-off-by: Damien George <damien@micropython.org>
| -rw-r--r-- | lib/libm/ef_rem_pio2.c | 4 | ||||
| -rw-r--r-- | lib/libm/fdlibm.h | 2 | ||||
| -rw-r--r-- | lib/libm/kf_rem_pio2.c | 4 |
3 files changed, 5 insertions, 5 deletions
diff --git a/lib/libm/ef_rem_pio2.c b/lib/libm/ef_rem_pio2.c index 8111ca197..fcdfb1828 100644 --- a/lib/libm/ef_rem_pio2.c +++ b/lib/libm/ef_rem_pio2.c @@ -35,9 +35,9 @@ * Table of constants for 2/pi, 396 Hex digits (476 decimal) of 2/pi */ #ifdef __STDC__ -static const __int32_t two_over_pi[] = { +static const __uint8_t two_over_pi[] = { #else -static __int32_t two_over_pi[] = { +static __uint8_t two_over_pi[] = { #endif 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, diff --git a/lib/libm/fdlibm.h b/lib/libm/fdlibm.h index ace3b2da2..22cd8f16b 100644 --- a/lib/libm/fdlibm.h +++ b/lib/libm/fdlibm.h @@ -188,7 +188,7 @@ extern float __ieee754_scalbf __P((float,float)); extern float __kernel_sinf __P((float,float,int)); extern float __kernel_cosf __P((float,float)); extern float __kernel_tanf __P((float,float,int)); -extern int __kernel_rem_pio2f __P((float*,float*,int,int,int,const __int32_t*)); +extern int __kernel_rem_pio2f __P((float*,float*,int,int,int,const __uint8_t*)); /* A union which permits us to convert between a float and a 32 bit int. */ diff --git a/lib/libm/kf_rem_pio2.c b/lib/libm/kf_rem_pio2.c index 6bd4d287e..43e4b4687 100644 --- a/lib/libm/kf_rem_pio2.c +++ b/lib/libm/kf_rem_pio2.c @@ -62,10 +62,10 @@ two8 = 2.5600000000e+02f, /* 0x43800000 */ twon8 = 3.9062500000e-03f; /* 0x3b800000 */ #ifdef __STDC__ - int __kernel_rem_pio2f(float *x, float *y, int e0, int nx, int prec, const __int32_t *ipio2) + int __kernel_rem_pio2f(float *x, float *y, int e0, int nx, int prec, const __uint8_t *ipio2) #else int __kernel_rem_pio2f(x,y,e0,nx,prec,ipio2) - float x[], y[]; int e0,nx,prec; __int32_t ipio2[]; + float x[], y[]; int e0,nx,prec; __uint8_t ipio2[]; #endif { __int32_t jz,jx,jv,jp,jk,carry,n,iq[20],i,j,k,m,q0,ih; |