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Diffstat (limited to 'ext/standard/tests/math/pow_basic2.phpt')
| -rw-r--r-- | ext/standard/tests/math/pow_basic2.phpt | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/ext/standard/tests/math/pow_basic2.phpt b/ext/standard/tests/math/pow_basic2.phpt new file mode 100644 index 0000000..fc55cac --- /dev/null +++ b/ext/standard/tests/math/pow_basic2.phpt @@ -0,0 +1,52 @@ +--TEST-- +Test pow() - basic function test pow() - with large exponents +--INI-- +precision=14 +--FILE-- +<?php + +$large_exp = 20000; + +echo "\n-- The following all result in INF --\n"; +var_dump(pow(24, $large_exp)); +var_dump(pow(0.24, -$large_exp)); +var_dump(pow(-0.24, -$large_exp)); + +echo "\n\n-- The following all result in 0 --\n"; +var_dump(pow(0.24, $large_exp)); +var_dump(pow(-0.24, $large_exp)); +var_dump(pow(24, -$large_exp)); +var_dump(pow(-24, -$large_exp)); + +echo "\n\n-- The following all result in -0 --\n"; +var_dump(pow(-0.24, $large_exp+1)); + +echo "\n\n-- The following all result in -INF --\n"; +var_dump(pow(-24, $large_exp+1)); +var_dump(pow(-0.24, -$large_exp+1)); + +?> +===Done=== +--EXPECTF-- + +-- The following all result in INF -- +float(INF) +float(INF) +float(INF) + + +-- The following all result in 0 -- +float(0) +float(0) +float(0) +float(0) + + +-- The following all result in -0 -- +float(%s) + + +-- The following all result in -INF -- +float(-INF) +float(-INF) +===Done===
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