diff options
Diffstat (limited to 'ext/gmp/gmp.c')
| -rw-r--r-- | ext/gmp/gmp.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/ext/gmp/gmp.c b/ext/gmp/gmp.c index 78d471c9d6..5d1d1e689e 100644 --- a/ext/gmp/gmp.c +++ b/ext/gmp/gmp.c @@ -104,6 +104,10 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_gmp_random, 0, 0, 0) ZEND_ARG_INFO(0, limiter) ZEND_END_ARG_INFO() +ZEND_BEGIN_ARG_INFO_EX(arginfo_gmp_random_seed, 0, 0, 1) + ZEND_ARG_INFO(0, seed) +ZEND_END_ARG_INFO() + ZEND_BEGIN_ARG_INFO_EX(arginfo_gmp_random_bits, 0, 0, 1) ZEND_ARG_INFO(0, bits) ZEND_END_ARG_INFO() @@ -170,6 +174,7 @@ const zend_function_entry gmp_functions[] = { ZEND_FE(gmp_cmp, arginfo_gmp_binary) ZEND_FE(gmp_sign, arginfo_gmp_unary) ZEND_FE(gmp_random, arginfo_gmp_random) + ZEND_FE(gmp_random_seed, arginfo_gmp_random_seed) ZEND_FE(gmp_random_bits, arginfo_gmp_random_bits) ZEND_FE(gmp_random_range, arginfo_gmp_random_range) ZEND_FE(gmp_and, arginfo_gmp_binary) @@ -1768,6 +1773,33 @@ ZEND_FUNCTION(gmp_random) } /* }}} */ +/* {{{ proto GMP gmp_random_seed(mixed seed) + Seed the RNG */ +ZEND_FUNCTION(gmp_random_seed) +{ + zval *seed; + mpz_ptr gmpnum_seed; + gmp_temp_t temp_a; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &seed) == FAILURE) { + return; + } + + gmp_init_random(TSRMLS_C); + + if (Z_TYPE_P(seed) == IS_LONG && Z_LVAL_P(seed) >= 0) { + gmp_randseed_ui(GMPG(rand_state), Z_LVAL_P(seed)); + } + else { + FETCH_GMP_ZVAL(gmpnum_seed, seed, temp_a); + + gmp_randseed(GMPG(rand_state), gmpnum_seed); + + FREE_GMP_TEMP(temp_a); + } +} +/* }}} */ + /* {{{ proto GMP gmp_random_bits(int bits) Gets a random number in the range 0 to (2 ** n) - 1 */ ZEND_FUNCTION(gmp_random_bits) |