diff options
Diffstat (limited to 'lib/libm/math.c')
-rw-r--r-- | lib/libm/math.c | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/lib/libm/math.c b/lib/libm/math.c index 732049236d..d7e27e775b 100644 --- a/lib/libm/math.c +++ b/lib/libm/math.c @@ -36,56 +36,6 @@ typedef union { }; } float_s_t; -typedef union { - double d; - struct { - uint64_t m : 52; - uint64_t e : 11; - uint64_t s : 1; - }; -} double_s_t; - -#if defined(__thumb__) - -double __attribute__((pcs("aapcs"))) __aeabi_i2d(int32_t x) { - return (float)x; -} - -// TODO -long long __attribute__((pcs("aapcs"))) __aeabi_f2lz(float x) { - return (long)x; -} - -double __attribute__((pcs("aapcs"))) __aeabi_f2d(float x) { - float_s_t fx={0}; - double_s_t dx={0}; - - fx.f = x; - dx.s = (fx.s); - dx.e = (fx.e-127+1023) & 0x7FF; - dx.m = fx.m; - dx.m <<=(52-23); // left justify - return dx.d; -} - -float __attribute__((pcs("aapcs"))) __aeabi_d2f(double x) { - float_s_t fx={0}; - double_s_t dx={0}; - - dx.d = x; - fx.s = (dx.s); - fx.e = (dx.e-1023+127) & 0xFF; - fx.m = (dx.m>>(52-23)); // right justify - return fx.f; -} - -double __aeabi_dmul(double x , double y) { - return 0.0; - -} - -#endif // defined(__thumb__) - #ifndef NDEBUG float copysignf(float x, float y) { float_s_t fx={.f = x}; |