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author | Zoe Slattery <zoe@php.net> | 2007-09-04 11:18:35 +0000 |
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committer | Zoe Slattery <zoe@php.net> | 2007-09-04 11:18:35 +0000 |
commit | 8e59bf05cb0095f19a36799126729f623ce53ee0 (patch) | |
tree | 17c00b5e4e659bbb5154c7fed357cb290bf18f12 /ext/standard/tests/math/tanh_basic.phpt | |
parent | 81313aed39ed3af2bbde2addae79d0990fea14dd (diff) | |
download | php-git-8e59bf05cb0095f19a36799126729f623ce53ee0.tar.gz |
Test cases for sin, cos, tan, asin, acos, atan, sinh, cosh, tanh, asinh, acosh, atanh.
Diffstat (limited to 'ext/standard/tests/math/tanh_basic.phpt')
-rw-r--r-- | ext/standard/tests/math/tanh_basic.phpt | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/ext/standard/tests/math/tanh_basic.phpt b/ext/standard/tests/math/tanh_basic.phpt new file mode 100644 index 0000000000..6b6a9dff7d --- /dev/null +++ b/ext/standard/tests/math/tanh_basic.phpt @@ -0,0 +1,60 @@ +--TEST-- +Test return type and value for expected input tanh() +--INI-- +precision = 14 +--FILE-- +<?php +/* + * proto float tanh(float number) + * Function is implemented in ext/standard/math.c +*/ +$file_path = dirname(__FILE__); +require($file_path."/allowed_rounding_error.inc"); + + +echo "tanh .5 = "; +var_dump(tanh(0.5)); +if (allowed_rounding_error(tanh(0.5), 0.46211715726001)) { + echo "Pass\n"; +} +else { + echo "Fail\n"; +} + +echo "tanh -0.5 = "; +var_dump(tanh(-0.5)); +if (allowed_rounding_error(tanh(-0.5), -0.46211715726001)) { + echo "Pass\n"; +} +else { + echo "Fail\n"; +} + +echo "tanh 3 = "; +var_dump(tanh(3.0)); +if (allowed_rounding_error(tanh(3.0),0.99505475368673 )) { + echo "Pass\n"; +} +else { + echo "Fail\n"; +} + +echo "tanh -3 = "; +var_dump(tanh(-3.0)); +if (allowed_rounding_error(tanh(-3.0),-0.99505475368673 )) { + echo "Pass\n"; +} +else { + echo "Fail\n"; +} + +?> +--EXPECTF-- +tanh .5 = float(%f) +Pass +tanh -0.5 = float(%f) +Pass +tanh 3 = float(%f) +Pass +tanh -3 = float(%f) +Pass |