fusl/src/math/frexpl.c - Issue 1573973002: Add a "fork" of musl as //fusl.

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Side by Side Diff: fusl/src/math/frexpl.c

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master

Patch Set: Created 4 years, 11 months ago

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	1 #include "libm.h"

	2

	3 #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024

	4 long double frexpl(long double x, int *e)

	5 {

	6 return frexp(x, e);

	7 }

	8 #elif (LDBL_MANT_DIG == 64 \|\| LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384

	9 long double frexpl(long double x, int *e)

	10 {

	11 union ldshape u = {x};

	12 int ee = u.i.se & 0x7fff;

	13

	14 if (!ee) {

	15 if (x) {

	16 x = frexpl(x*0x1p120, e);

	17 *e -= 120;

	18 } else *e = 0;

	19 return x;

	20 } else if (ee == 0x7fff) {

	21 return x;

	22 }

	23

	24 *e = ee - 0x3ffe;

	25 u.i.se &= 0x8000;

	26 u.i.se \|= 0x3ffe;

	27 return u.f;

	28 }

	29 #endif

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