Bug #74451 [Opn->Fbk]: Sine values exceed 1

Edit report at https://bugs.php.net/bug.php?id=74451&edit=1 ID: 74451 Updated by: danack@php.net Reported by: m_sun at mail dot ru Summary: Sine values exceed 1 -Status: Open +Status: Feedback Type: Bug Package: Math related Operating System: Alpine Linux PHP Version: 5.6.30 Block user comment: N Private report: N New Comment: I can't reproduce what you're reporting: https://3v4l.org/fnd5R Please can you provide an actual runnable reproduce script. Previous Comments: ------------------------------------------------------------------------ [2017-04-16 03:39:25] m_sun at mail dot ru Description: ------------ Absolute values of sine and cosine functions may somehow exceed 1 when argument is more then 2 * pi Test script: --------------- $sin = sin(60.0); // $sin contains 19880855899899 now $sin = sin (fmod (60.0, M_PI * 2)); // Gives correct result now Actual result: -------------- Radian Degrees Sin Cos 60 3,437.75 19880855899899 -84637265064481 60.1 3,443.48 20318846900770 -86648047391510 60.2 3,449.21 20765725188326 -88703090857283 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=74451&edit=1