diff options
Diffstat (limited to 'vendor/github.com/cloudwego/iasm/expr/ops.go')
-rw-r--r-- | vendor/github.com/cloudwego/iasm/expr/ops.go | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/vendor/github.com/cloudwego/iasm/expr/ops.go b/vendor/github.com/cloudwego/iasm/expr/ops.go deleted file mode 100644 index 7f168b902..000000000 --- a/vendor/github.com/cloudwego/iasm/expr/ops.go +++ /dev/null @@ -1,67 +0,0 @@ -// -// Copyright 2024 CloudWeGo Authors -// -// 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 -// -// 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. -// - -package expr - -import ( - `fmt` -) - -func idiv(v int64, d int64) (int64, error) { - if d != 0 { - return v / d, nil - } else { - return 0, newRuntimeError("division by zero") - } -} - -func imod(v int64, d int64) (int64, error) { - if d != 0 { - return v % d, nil - } else { - return 0, newRuntimeError("division by zero") - } -} - -func ipow(v int64, e int64) (int64, error) { - mul := v - ret := int64(1) - - /* value must be 0 or positive */ - if v < 0 { - return 0, newRuntimeError(fmt.Sprintf("negative base value: %d", v)) - } - - /* exponent must be non-negative */ - if e < 0 { - return 0, newRuntimeError(fmt.Sprintf("negative exponent: %d", e)) - } - - /* fast power first round */ - if (e & 1) != 0 { - ret *= mul - } - - /* fast power remaining rounds */ - for e >>= 1; e != 0; e >>= 1 { - if mul *= mul; (e & 1) != 0 { - ret *= mul - } - } - - /* all done */ - return ret, nil -} |