diff options
Diffstat (limited to 'libc/stdlib/drand48-iter.c')
| -rw-r--r-- | libc/stdlib/drand48-iter.c | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/libc/stdlib/drand48-iter.c b/libc/stdlib/drand48-iter.c index 3247bafbd..858253b5a 100644 --- a/libc/stdlib/drand48-iter.c +++ b/libc/stdlib/drand48-iter.c @@ -27,7 +27,6 @@ struct drand48_data __libc_drand48_data; -#ifdef __UCLIBC_HAS_LONG_LONG__ int __drand48_iterate (unsigned short int xsubi[3], struct drand48_data *buffer) { @@ -57,41 +56,3 @@ __drand48_iterate (unsigned short int xsubi[3], struct drand48_data *buffer) return 0; } -#else -int -__drand48_iterate (unsigned short int xsubi[3], struct drand48_data *buffer) -{ - uint32_t X0, X1; - uint32_t result0, result1; - - /* Initialize buffer, if not yet done. */ - if (unlikely(!buffer->__init)) - { - buffer->__a1 = 0x5; - buffer->__a0 = 0xdeece66d; - buffer->__c = 0xb; - buffer->__init = 1; - } - - /* Do the real work. We choose a data type which contains at least - 48 bits. Because we compute the modulus it does not care how - many bits really are computed. */ - - /* X = X1*base32 + X0 */ - X1 = xsubi[2]; - X0 = xsubi[0] | (uint32_t) xsubi[1] << 16; - - result0 = buffer->__a0 * X0; - result1 = (result0 > -buffer->__c ); /* Carry */ - /* If this overflows, the carry is already in result1 */ - result0 += buffer->__c; - - result1 += buffer->__a1*X0 + buffer->__a0*X1; - - xsubi[0] = result0 & 0xffff; - xsubi[1] = result0 >> 16; - xsubi[2] = result1 & 0xffff; - - return 0; -} -#endif |