Fix erf/erfc catastrophic cancellation producing impossible values (erf > 1, erfc < 0, negative Normal survival) - #491

Fix erf/erfc catastrophic cancellation producing impossible values (erf > 1, erfc < 0, negative Normal survival)#491

gaoflow wants to merge 1 commit into

markrogoyski:developmarkrogoyski/math-php:developfrom

gaoflow:fix-erf-erfc-cancellationgaoflow/math-php:fix-erf-erfc-cancellationCopy head branch name to clipboard