diff options
Diffstat (limited to 'test/std/numerics/rand/rand.dis/rand.dist.samp/rand.dist.samp.pconst/param_ctor_iterator.pass.cpp')
-rw-r--r-- | test/std/numerics/rand/rand.dis/rand.dist.samp/rand.dist.samp.pconst/param_ctor_iterator.pass.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/test/std/numerics/rand/rand.dis/rand.dist.samp/rand.dist.samp.pconst/param_ctor_iterator.pass.cpp b/test/std/numerics/rand/rand.dis/rand.dist.samp/rand.dist.samp.pconst/param_ctor_iterator.pass.cpp new file mode 100644 index 000000000000..98d467c07e23 --- /dev/null +++ b/test/std/numerics/rand/rand.dis/rand.dist.samp/rand.dist.samp.pconst/param_ctor_iterator.pass.cpp @@ -0,0 +1,100 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class piecewise_constant_distribution + +// template<class InputIterator> +// param_type(InputIteratorB firstB, InputIteratorB lastB, +// InputIteratorW firstW); + +#include <random> +#include <cassert> + +int main() +{ + { + typedef std::piecewise_constant_distribution<> D; + typedef D::param_type P; + double b[] = {10}; + double p[] = {12}; + P pa(b, b, p); + std::vector<double> iv = pa.intervals(); + assert(iv.size() == 2); + assert(iv[0] == 0); + assert(iv[1] == 1); + std::vector<double> dn = pa.densities(); + assert(dn.size() == 1); + assert(dn[0] == 1); + } + { + typedef std::piecewise_constant_distribution<> D; + typedef D::param_type P; + double b[] = {10}; + double p[] = {12}; + P pa(b, b+1, p); + std::vector<double> iv = pa.intervals(); + assert(iv.size() == 2); + assert(iv[0] == 0); + assert(iv[1] == 1); + std::vector<double> dn = pa.densities(); + assert(dn.size() == 1); + assert(dn[0] == 1); + } + { + typedef std::piecewise_constant_distribution<> D; + typedef D::param_type P; + double b[] = {10, 15}; + double p[] = {12}; + P pa(b, b+2, p); + std::vector<double> iv = pa.intervals(); + assert(iv.size() == 2); + assert(iv[0] == 10); + assert(iv[1] == 15); + std::vector<double> dn = pa.densities(); + assert(dn.size() == 1); + assert(dn[0] == 1/5.); + } + { + typedef std::piecewise_constant_distribution<> D; + typedef D::param_type P; + double b[] = {10, 15, 16}; + double p[] = {.25, .75}; + P pa(b, b+3, p); + std::vector<double> iv = pa.intervals(); + assert(iv.size() == 3); + assert(iv[0] == 10); + assert(iv[1] == 15); + assert(iv[2] == 16); + std::vector<double> dn = pa.densities(); + assert(dn.size() == 2); + assert(dn[0] == .25/5.); + assert(dn[1] == .75); + } + { + typedef std::piecewise_constant_distribution<> D; + typedef D::param_type P; + double b[] = {10, 14, 16, 17}; + double p[] = {25, 62.5, 12.5}; + P pa(b, b+4, p); + std::vector<double> iv = pa.intervals(); + assert(iv.size() == 4); + assert(iv[0] == 10); + assert(iv[1] == 14); + assert(iv[2] == 16); + assert(iv[3] == 17); + std::vector<double> dn = pa.densities(); + assert(dn.size() == 3); + assert(dn[0] == .0625); + assert(dn[1] == .3125); + assert(dn[2] == .125); + } +} |