Szabolcs Nagy
aa0c4a204e
* use new ldshape union consistently * add ld128 support to frexpl * simplify sqrtl comment (ld64 is not just arm)
30 lines
525 B
C
30 lines
525 B
C
#include "libm.h"
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#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
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long double frexpl(long double x, int *e)
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{
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return frexp(x, e);
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}
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#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
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long double frexpl(long double x, int *e)
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{
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union ldshape u = {x};
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int ee = u.i.se & 0x7fff;
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if (!ee) {
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if (x) {
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x = frexpl(x*0x1p120, e);
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*e -= 120;
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} else *e = 0;
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return x;
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} else if (ee == 0x7fff) {
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return x;
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}
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*e = ee - 0x3ffe;
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u.i.se &= 0x8000;
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u.i.se |= 0x3ffe;
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return u.f;
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}
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#endif
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