ceil函数是C++标准库<cmath>头文件中的一个函数,用于向上取整。其函数原型为double ceil(double x);,参数x是要进行向上取整的浮点数,返回值是向上取整后的结果,类型也是double。 cpp #include <iostream> #include <cmath> int main() { double num = 3.2; double result = ceil(num...
函数原型 C90 C99 C++98 C++11 double ceil(double x); √ √ √ √ float ceilf(float x); √ long double ceill(long double x); √ float ceil(float x); √ √ long double ceil(long double x); √ √头文件:#include <cmath>
std::ceil,std::ceilf,std::ceill 在标头<cmath>定义 (1) floatceil(floatnum); doubleceil(doublenum); longdoubleceil(longdoublenum); (C++23 前) constexpr/* 浮点数类型 */ ceil(/* 浮点数类型 */num); (C++23 起) floatceilf(floatnum); ...
from itertools import product as product from math import ceil import torch class PriorBox(object): def __init__(self, cfg, image_size=None, phase='train'): super(PriorBox, self).__init__() self.min_sizes = cfg['min_sizes'] self.steps = cfg['steps'] self.clip = cfg['clip'] ...
ceil (#include <math.h>) Delphi中:ceil (uses Math;) 4、 5、 6、测试代码: #include <stdio.h>#include<math.h>voidmain() {//ZC: 注意,下面 两个是不同的printf("%lf , %lf\n",(double)(17/4), (double)17/4);doublea, b, c; ...
__cpp_lib_int_pow2 2 的整数次幂运算(std::has_single_bit、std::bit_ceil、std::bit_floor、std::bit_width) 202002L (C++20) P0556R3P1956R1 __cpp_lib_integer_comparison_functions 整数比较函数 202002L (C++20) P0586R2 __cpp_lib_integer_sequence 编译期的整数序列 201304L (C++14) N36...
quad1.y = floor(floor(blueColor) / 8.0); quad1.x = floor(blueColor) - (quad1.y * 8.0); vec2 quad2; quad2.y = floor(ceil(blueColor) / 7.9999); quad2.x = ceil(blueColor) - (quad2.y * 8.0); //通过 R 和 G 分量的值确定小方格内目标映射的 RGB 组合的坐标,然后归一化,转...
std::ceil,std::ceilf,std::ceill C++ Numerics library Common mathematical functions Defined in header<cmath> (1) floatceil(floatnum); doubleceil(doublenum); longdoubleceil(longdoublenum); (until C++23) constexpr/*floating-point-type*/ ...
#include <math.h> #include <stdio.h> int main(void) { printf("ceil(+2.4) = %+.1f\n", ceil(2.4)); printf("ceil(-2.4) = %+.1f\n", ceil(-2.4)); printf("ceil(-0.0) = %+.1f\n", ceil(-0.0)); printf("ceil(-Inf) = %+f\n", ceil(-INFINITY)); } Possible output: ...
(long double x); constexpr /* 浮点数类型 */ ceil(/* 浮点数类型 */ x); constexpr float ceilf(float x); constexpr long double ceill(long double x); constexpr /* 浮点数类型 */ floor(/* 浮点数类型 */ x); constexpr float floorf(float x); constexpr long double floorl(long ...