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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/mips/math-emu/dp_scalb.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/mips/math-emu/dp_scalb.c')
-rw-r--r-- | arch/mips/math-emu/dp_scalb.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/mips/math-emu/dp_scalb.c b/arch/mips/math-emu/dp_scalb.c new file mode 100644 index 00000000..6f5df438 --- /dev/null +++ b/arch/mips/math-emu/dp_scalb.c @@ -0,0 +1,57 @@ +/* IEEE754 floating point arithmetic + * double precision: common utilities + */ +/* + * MIPS floating point support + * Copyright (C) 1994-2000 Algorithmics Ltd. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + */ + + +#include "ieee754dp.h" + +ieee754dp ieee754dp_scalb(ieee754dp x, int n) +{ + COMPXDP; + + CLEARCX; + + EXPLODEXDP; + + switch (xc) { + case IEEE754_CLASS_SNAN: + return ieee754dp_nanxcpt(x, "scalb", x, n); + case IEEE754_CLASS_QNAN: + case IEEE754_CLASS_INF: + case IEEE754_CLASS_ZERO: + return x; + case IEEE754_CLASS_DNORM: + DPDNORMX; + break; + case IEEE754_CLASS_NORM: + break; + } + DPNORMRET2(xs, xe + n, xm << 3, "scalb", x, n); +} + + +ieee754dp ieee754dp_ldexp(ieee754dp x, int n) +{ + return ieee754dp_scalb(x, n); +} |