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math: fix comment in __rem_pio2f.c

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Szabolcs Nagy 2012-12-12 01:28:22 +01:00
parent 1384ad5f33
commit 9c6b1de0fb
1 changed files with 2 additions and 2 deletions
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4
src/math/__rem_pio2f.c
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@ -24,7 +24,7 @@
/*
* invpio2: 53 bits of 2/pi
* pio2_1: first 33 bit of pi/2
* pio2_1: first 25 bits of pi/2
* pio2_1t: pi/2 - pio2_1
*/
static const double
@ -41,7 +41,7 @@ int __rem_pio2f(float x, double *y)
GET_FLOAT_WORD(hx, x);
ix = hx & 0x7fffffff;
/* 33+53 bit pi is good enough for medium size */
/* 25+53 bit pi is good enough for medium size */
if (ix < 0x4dc90fdb) { /* |x| ~< 2^28*(pi/2), medium size */
/* Use a specialized rint() to get fn. Assume round-to-nearest. */
STRICT_ASSIGN(double, fn, x*invpio2 + 0x1.8p52);