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Further refine documentation

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This commit is contained in:
Justine Tunney 2020-12-27 17:05:03 -08:00
parent 1bc3a25505
commit 548dcb9f08
27 changed files with 389 additions and 1478 deletions
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22
libc/math.h
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@ -285,28 +285,6 @@ void sincos(double, double *, double *);
void sincosf(float, float *, float *);
void sincosl(long double, long double *, long double *);
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § mathematics » x87 ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
#define fldz() __X87_CONST(fldz, 0x0p+0)
#define fld1() __X87_CONST(fld1, 0x8p-3)
#define fldpi() __X87_CONST(fldpi, M_PI)
#define fldl2t() __X87_CONST(fldl2t, M_LOG2_10)
#define fldlg2() __X87_CONST(fldlg2, M_LOG10_2)
#define fldln2() __X87_CONST(fldln2, M_LN2)
#define fldl2e() __X87_CONST(fldl2e, M_LOG2E)
#ifdef __x86__
#define __X87_CONST(OP, VALUE) \
({ \
long double St0##OP; \
asm(#OP : "=t"(St0##OP)); \
St0##OP; \
})
#else
#define __X87_CONST(OP, VALUE) VALUE
#endif
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_MATH_H_ */