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Diffstat (limited to 'modules/fdlibm/src/s_fabs.cpp')
-rw-r--r-- | modules/fdlibm/src/s_fabs.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/modules/fdlibm/src/s_fabs.cpp b/modules/fdlibm/src/s_fabs.cpp new file mode 100644 index 000000000..3bea0478a --- /dev/null +++ b/modules/fdlibm/src/s_fabs.cpp @@ -0,0 +1,30 @@ + /* @(#)s_fabs.c 5.1 93/09/24 */ +/* + * ==================================================== + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. + * + * Developed at SunPro, a Sun Microsystems, Inc. business. + * Permission to use, copy, modify, and distribute this + * software is freely granted, provided that this notice + * is preserved. + * ==================================================== + */ + +#ifndef lint + //static char rcsid[] = "$FreeBSD$"; +#endif + +/* + * fabs(x) returns the absolute value of x. + */ + +#include "math_private.h" + +double +fabs(double x) +{ + u_int32_t high; + GET_HIGH_WORD(high,x); + SET_HIGH_WORD(x,high&0x7fffffff); + return x; +} |