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Diffstat (limited to 'newlib/libc/stdlib/seed48.c')
| -rw-r--r-- | newlib/libc/stdlib/seed48.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/newlib/libc/stdlib/seed48.c b/newlib/libc/stdlib/seed48.c new file mode 100644 index 000000000..3f2cb5061 --- /dev/null +++ b/newlib/libc/stdlib/seed48.c @@ -0,0 +1,43 @@ +/* + * Copyright (c) 1993 Martin Birgmeier + * All rights reserved. + * + * You may redistribute unmodified or modified versions of this source + * code provided that the above copyright notice and this and the + * following conditions are retained. + * + * This software is provided ``as is'', and comes with no warranties + * of any kind. I shall in no event be liable for anything that happens + * to anyone/anything when using this software. + */ + +#include "rand48.h" + +unsigned short * +_DEFUN (_seed48_r, (r, xseed), + struct _reent *r _AND + unsigned short xseed[3]) +{ + static unsigned short sseed[3]; + + sseed[0] = __rand48_seed[0]; + sseed[1] = __rand48_seed[1]; + sseed[2] = __rand48_seed[2]; + __rand48_seed[0] = xseed[0]; + __rand48_seed[1] = xseed[1]; + __rand48_seed[2] = xseed[2]; + __rand48_mult[0] = _RAND48_MULT_0; + __rand48_mult[1] = _RAND48_MULT_1; + __rand48_mult[2] = _RAND48_MULT_2; + __rand48_add = _RAND48_ADD; + return sseed; +} + +#ifndef _REENT_ONLY +unsigned short * +_DEFUN (seed48, (xseed), + unsigned short xseed[3]) +{ + return _seed48_r (_REENT, xseed); +} +#endif /* !_REENT_ONLY */ |