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Cleanup and minor fixes in win32/tcc/tcc_libm.h: truncf(), cbrtf(), exp2f(), log2f(), scalbln*()

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This commit is contained in:
Tyge Løvset 2020-11-21 14:45:35 +01:00
parent b11144d69c
commit 3b1a42e734
1 changed files with 21 additions and 48 deletions
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67
win32/include/tcc/tcc_libm.h
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@ -252,12 +252,13 @@ __CRT_INLINE long double __cdecl scalbnl(long double x, int n) {
} }
__CRT_INLINE double __cdecl scalbln(double x, long n) { __CRT_INLINE double __cdecl scalbln(double x, long n) {
int m = n > INT_MAX ? INT_MAX : (n < INT_MIN ? INT_MIN : n); return scalbn(x, n);
return scalbn(x, m);
} }
__CRT_INLINE float __cdecl scalblnf(float x, long n) { __CRT_INLINE float __cdecl scalblnf(float x, long n) {
int m = n > INT_MAX ? INT_MAX : (n < INT_MIN ? INT_MIN : n); return scalbn(x, n);
return scalbn(x, m); }
__CRT_INLINE long double __cdecl scalblnl(long double x, long n) {
return scalbn(x, n);
} }
@ -293,6 +294,9 @@ __CRT_INLINE float __cdecl rintf(float x) {
"fstps %0\n" : "=m" (retval) : "m" (x)); "fstps %0\n" : "=m" (retval) : "m" (x));
return retval; return retval;
} }
__CRT_INLINE long double __cdecl rintl (long double x) {
return rint(x);
}
/* 7.12.9.5 */ /* 7.12.9.5 */
@ -312,6 +316,11 @@ __CRT_INLINE long __cdecl lrintf(float x) {
return retval; return retval;
} }
__CRT_INLINE long __cdecl lrintl (long double x) {
return lrint(x);
}
__CRT_INLINE long long __cdecl llrint(double x) { __CRT_INLINE long long __cdecl llrint(double x) {
long long retval; long long retval;
__asm__ __volatile__ __asm__ __volatile__
@ -328,48 +337,12 @@ __CRT_INLINE long long __cdecl llrintf(float x) {
return retval; return retval;
} }
/*
__CRT_INLINE long double __cdecl rintl (long double x) {
long double retval;
__asm__ (
"fldt %1\n"
"frndint \n"
"fstpt %0\n" : "=m" (retval) : "m" (x));
return retval;
}
__CRT_INLINE long __cdecl lrintl (long double x) {
long retval;
__asm__ __volatile__
("fldt %1\n"
"fistpl %0" : "=m" (retval) : "m" (x));
return retval;
}
__CRT_INLINE long long __cdecl llrintl (long double x) {
long long retval;
__asm__ __volatile__
("fldt %1\n"
"fistpll %0" : "=m" (retval) : "m" (x));
return retval;
}
__CRT_INLINE float __cdecl fabsf (float x) {
float res;
__asm__ ("fabs;" : "=t" (res) : "0" (x));
return res;
}
*/
__CRT_INLINE long double __cdecl rintl(long double x) {
return rint(x);
}
__CRT_INLINE long __cdecl lrintl(long double x) {
return lrint(x);
}
__CRT_INLINE long long __cdecl llrintl (long double x) { __CRT_INLINE long long __cdecl llrintl (long double x) {
return llrint(x); return llrint(x);
} }
__CRT_INLINE double trunc(double _x) { __CRT_INLINE double __cdecl trunc(double _x) {
double retval; double retval;
unsigned short saved_cw; unsigned short saved_cw;
unsigned short tmp_cw; unsigned short tmp_cw;
@ -385,7 +358,7 @@ __CRT_INLINE double trunc(double _x) {
} }
__CRT_INLINE float __cdecl truncf(float x) { __CRT_INLINE float __cdecl truncf(float x) {
return (float) ((int) x); return (float) ((intptr_t) x);
} }
__CRT_INLINE long double __cdecl truncl(long double x) { __CRT_INLINE long double __cdecl truncl(long double x) {
return trunc(x); return trunc(x);
@ -498,13 +471,13 @@ __CRT_INLINE long double __cdecl expm1l(long double x) {
__CRT_INLINE double __cdecl cbrt(double x) { __CRT_INLINE double __cdecl cbrt(double x) {
return (1 - ((x < 0.0) << 1)) * pow(fabs(x), 1/3.0); return copysign(pow(fabs(x), 1/3.0), x);
} }
__CRT_INLINE float __cdecl cbrtf(float x) { __CRT_INLINE float __cdecl cbrtf(float x) {
return (1 - ((x < 0.0f) << 1)) * powf(fabsf((float) x), 1/3.0f); return copysignf(pow(fabs(x), 1/3.0), x);
} }
__CRT_INLINE long double __cdecl cbrtl(long double x) { __CRT_INLINE long double __cdecl cbrtl(long double x) {
return (1 - ((x < 0.0) << 1)) * pow(fabs(x), 1/3.0); return copysign(pow(fabs(x), 1/3.0), x);
} }
@ -512,7 +485,7 @@ __CRT_INLINE double __cdecl log2(double x) {
return log(x) * 1.4426950408889634073599246810019; return log(x) * 1.4426950408889634073599246810019;
} }
__CRT_INLINE float __cdecl log2f(float x) { __CRT_INLINE float __cdecl log2f(float x) {
return logf(x) * 1.4426950408889634073599246810019f; return log(x) * 1.4426950408889634073599246810019;
} }
__CRT_INLINE long double __cdecl log2l(long double x) { __CRT_INLINE long double __cdecl log2l(long double x) {
return log(x) * 1.4426950408889634073599246810019; return log(x) * 1.4426950408889634073599246810019;
@ -523,7 +496,7 @@ __CRT_INLINE double __cdecl exp2(double x) {
return exp(x * 0.69314718055994530941723212145818); return exp(x * 0.69314718055994530941723212145818);
} }
__CRT_INLINE float __cdecl exp2f(float x) { __CRT_INLINE float __cdecl exp2f(float x) {
return expf(x * 0.69314718055994530941723212145818f); return exp(x * 0.69314718055994530941723212145818);
} }
__CRT_INLINE long double __cdecl exp2l(long double x) { __CRT_INLINE long double __cdecl exp2l(long double x) {
return exp(x * 0.69314718055994530941723212145818); return exp(x * 0.69314718055994530941723212145818);