diff options
Diffstat (limited to 'test/bigdecimal/test_bigmath.rb')
-rw-r--r-- | test/bigdecimal/test_bigmath.rb | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/test/bigdecimal/test_bigmath.rb b/test/bigdecimal/test_bigmath.rb deleted file mode 100644 index 5bf1fbf318..0000000000 --- a/test/bigdecimal/test_bigmath.rb +++ /dev/null @@ -1,81 +0,0 @@ -# frozen_string_literal: false -require_relative "helper" -require "bigdecimal/math" - -class TestBigMath < Test::Unit::TestCase - include TestBigDecimalBase - include BigMath - N = 20 - PINF = BigDecimal("+Infinity") - MINF = BigDecimal("-Infinity") - NAN = BigDecimal("NaN") - - def test_const - assert_in_delta(Math::PI, PI(N)) - assert_in_delta(Math::E, E(N)) - end - - def test_sqrt - assert_in_delta(2**0.5, sqrt(BigDecimal("2"), N)) - assert_equal(10, sqrt(BigDecimal("100"), N)) - assert_equal(0.0, sqrt(BigDecimal("0"), N)) - assert_equal(0.0, sqrt(BigDecimal("-0"), N)) - assert_raise(FloatDomainError) {sqrt(BigDecimal("-1.0"), N)} - assert_raise(FloatDomainError) {sqrt(NAN, N)} - assert_raise(FloatDomainError) {sqrt(PINF, N)} - end - - def test_sin - assert_in_delta(0.0, sin(BigDecimal("0.0"), N)) - assert_in_delta(Math.sqrt(2.0) / 2, sin(PI(N) / 4, N)) - assert_in_delta(1.0, sin(PI(N) / 2, N)) - assert_in_delta(0.0, sin(PI(N) * 2, N)) - assert_in_delta(0.0, sin(PI(N), N)) - assert_in_delta(-1.0, sin(PI(N) / -2, N)) - assert_in_delta(0.0, sin(PI(N) * -2, N)) - assert_in_delta(0.0, sin(-PI(N), N)) - assert_in_delta(0.0, sin(PI(N) * 21, N)) - assert_in_delta(0.0, sin(PI(N) * 30, N)) - assert_in_delta(-1.0, sin(PI(N) * BigDecimal("301.5"), N)) - end - - def test_cos - assert_in_delta(1.0, cos(BigDecimal("0.0"), N)) - assert_in_delta(Math.sqrt(2.0) / 2, cos(PI(N) / 4, N)) - assert_in_delta(0.0, cos(PI(N) / 2, N)) - assert_in_delta(1.0, cos(PI(N) * 2, N)) - assert_in_delta(-1.0, cos(PI(N), N)) - assert_in_delta(0.0, cos(PI(N) / -2, N)) - assert_in_delta(1.0, cos(PI(N) * -2, N)) - assert_in_delta(-1.0, cos(-PI(N), N)) - assert_in_delta(-1.0, cos(PI(N) * 21, N)) - assert_in_delta(1.0, cos(PI(N) * 30, N)) - assert_in_delta(0.0, cos(PI(N) * BigDecimal("301.5"), N)) - end - - def test_atan - assert_equal(0.0, atan(BigDecimal("0.0"), N)) - assert_in_delta(Math::PI/4, atan(BigDecimal("1.0"), N)) - assert_in_delta(Math::PI/6, atan(sqrt(BigDecimal("3.0"), N) / 3, N)) - assert_in_delta(Math::PI/2, atan(PINF, N)) - assert_equal(BigDecimal("0.823840753418636291769355073102514088959345624027952954058347023122539489"), - atan(BigDecimal("1.08"), 72).round(72), '[ruby-dev:41257]') - end - - def test_log - assert_equal(0, BigMath.log(BigDecimal("1.0"), 10)) - assert_in_epsilon(Math.log(10)*1000, BigMath.log(BigDecimal("1e1000"), 10)) - assert_raise(Math::DomainError) {BigMath.log(BigDecimal("0"), 10)} - assert_raise(Math::DomainError) {BigMath.log(BigDecimal("-1"), 10)} - assert_separately(%w[-rbigdecimal], <<-SRC) - begin - x = BigMath.log(BigDecimal("1E19999999999999"), 10) - rescue FloatDomainError - else - unless x.infinite? - assert_in_epsilon(Math.log(10)*19999999999999, x) - end - end - SRC - end -end |