github.com/goplus/llgo@v0.8.3/py/math/math.go (about)

     1  /*
     2   * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package math
    18  
    19  import (
    20  	_ "unsafe"
    21  
    22  	"github.com/goplus/llgo/py"
    23  )
    24  
    25  // https://docs.python.org/3/library/math.html
    26  
    27  //go:linkname Pi py.pi
    28  var Pi *py.Object
    29  
    30  // With one argument, return the natural logarithm of x (to base e).
    31  //
    32  //go:linkname Log py.log
    33  func Log(x *py.Object) *py.Object
    34  
    35  // With two arguments, return the logarithm of x to the given base, calculated
    36  // as log(x)/log(base).
    37  //
    38  //go:linkname LogOf py.log
    39  func LogOf(x, base *py.Object) *py.Object
    40  
    41  // Return the natural logarithm of 1+x (base e). The result is calculated in
    42  // a way which is accurate for x near zero.
    43  //
    44  //go:linkname Log1p py.log1p
    45  func Log1p(x *py.Object) *py.Object
    46  
    47  // Return the Euclidean norm, sqrt(sum(x**2 for x in coordinates)). This is the
    48  // length of the vector from the origin to the point given by the coordinates.
    49  //
    50  //go:linkname Hypot py.hypot
    51  func Hypot(coordinates ...*py.Object) *py.Object