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author | Sverker Eriksson <[email protected]> | 2015-09-02 15:43:57 +0200 |
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committer | Sverker Eriksson <[email protected]> | 2015-09-02 15:43:57 +0200 |
commit | 6e75676652d87d78041a9db11b088b33ad7ef672 (patch) | |
tree | bdfab5e00f4059950c927a5ca748efb9965c782c /erts/emulator/beam/big.c | |
parent | 0c52e3c18da16dbb896871865b71093b8c5617c4 (diff) | |
parent | 3af9e6ef9bd6a9e9faf0e5bf683f4f1c5c0c0ca9 (diff) | |
download | otp-6e75676652d87d78041a9db11b088b33ad7ef672.tar.gz otp-6e75676652d87d78041a9db11b088b33ad7ef672.tar.bz2 otp-6e75676652d87d78041a9db11b088b33ad7ef672.zip |
Merge branch 'maint' into sverk/trace-process_dump-matchstate
Conflicts:
erts/emulator/beam/erl_printf_term.c
erts/emulator/beam/erl_term.c
erts/emulator/beam/utils.c
Diffstat (limited to 'erts/emulator/beam/big.c')
-rw-r--r-- | erts/emulator/beam/big.c | 59 |
1 files changed, 50 insertions, 9 deletions
diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c index d1e46e3063..044bf6a34e 100644 --- a/erts/emulator/beam/big.c +++ b/erts/emulator/beam/big.c @@ -3,16 +3,17 @@ * * Copyright Ericsson AB 1996-2014. All Rights Reserved. * - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. * * %CopyrightEnd% */ @@ -1577,6 +1578,46 @@ Eterm erts_sint64_to_big(Sint64 x, Eterm **hpp) return make_big(hp); } +Eterm +erts_uint64_array_to_big(Uint **hpp, int neg, int len, Uint64 *array) +{ + Uint *headerp; + int i, pot_digits, digits; + + headerp = *hpp; + + pot_digits = digits = 0; + for (i = 0; i < len; i++) { +#if defined(ARCH_32) || HALFWORD_HEAP + Uint low_val = array[i] & ((Uint) 0xffffffff); + Uint high_val = (array[i] >> 32) & ((Uint) 0xffffffff); + BIG_DIGIT(headerp, pot_digits) = low_val; + pot_digits++; + if (low_val) + digits = pot_digits; + BIG_DIGIT(headerp, pot_digits) = high_val; + pot_digits++; + if (high_val) + digits = pot_digits; +#else + Uint val = array[i]; + BIG_DIGIT(headerp, pot_digits) = val; + pot_digits++; + if (val) + digits = pot_digits; +#endif + } + + if (neg) + *headerp = make_neg_bignum_header(digits); + else + *headerp = make_pos_bignum_header(digits); + + *hpp = headerp + 1 + digits; + + return make_big(headerp); +} + /* ** Convert a bignum to a double float */ |