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-rw-r--r--test/bigdecimal/test_bigmath.rb81
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