hypot_test.cc File Reference

#include "catch2/catch.hpp"
#include <cmath>
#include <limits>
#include "cetlib/hypot.h"

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Functions
	TEST_CASE ("Basic test")
	TEST_CASE ("NaN test")
	TEST_CASE ("Inf test")

Function Documentation

TEST_CASE

(

"Basic test"

)

Definition at line 10 of file hypot_test.cc.

{
  CHECK(hypot(5, 12) == 13);
  CHECK(hypot(.5, 1.2) == Approx(1.3).epsilon(0.0001));
  CHECK(hypot(.05L, .12L) == Approx(.13L).epsilon(0.0001L));
}

TEST_CASE

(

"NaN test"

)

Definition at line 17 of file hypot_test.cc.

{
  CHECK(std::isnan(hypot(std::numeric_limits<double>::quiet_NaN(), 1.2)));
  CHECK(std::isnan(hypot(3.1415926, std::numeric_limits<double>::quiet_NaN())));
}

TEST_CASE

(

"Inf test"

)

Definition at line 23 of file hypot_test.cc.

{
  CHECK(std::isinf(hypot(std::numeric_limits<double>::infinity(), 1.2)));
  CHECK(std::isinf(hypot(3.1415926, std::numeric_limits<double>::infinity())));

  CHECK(std::isinf(hypot(-std::numeric_limits<double>::infinity(), 1.2)));
  CHECK(std::isinf(hypot(3.1415926, -std::numeric_limits<double>::infinity())));
}