diff options
Diffstat (limited to 'ext/standard/tests/math/allowed_rounding_error.inc')
-rw-r--r-- | ext/standard/tests/math/allowed_rounding_error.inc | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/ext/standard/tests/math/allowed_rounding_error.inc b/ext/standard/tests/math/allowed_rounding_error.inc new file mode 100644 index 0000000..71dbf9a --- /dev/null +++ b/ext/standard/tests/math/allowed_rounding_error.inc @@ -0,0 +1,18 @@ +<?php +function allowed_rounding_error ($number, $expected) { + + //different machines may give slightly different floating point numbers + //This assumes that the results will be the same to + or - 1.0E-10. + + $small_number = 1.0e-10; + $min = $expected - $small_number; + $max = $expected + $small_number; + + if ($number < $max && $number > $min ) { + return true; + } + else { + return false; + } +} +?>
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