- 
    Bug 
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    Resolution: Invalid
- 
    P3: Somewhat important 
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    5.9.1
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    Android for armeabi-v7a(GCC 4.9, Qt 5.9.1 for Android arm7)
 android-ndk-r15c
Error: 'stold' is not a member of 'std'
 stroka.insert(indofsin,qStringFromLongDouble(cosl(std::stold(strokacopy.toStdString()))));
Error: 'cosl' was not declared in this scope
     stroka.insert(indofsin,qStringFromLongDouble(cosl(std::stold(strokacopy.toStdString()))));
I have this error when compiling on android. On Windows compiling well(qt 5.9.1)
I am using Gradle.
My .pro file contains:
CONFIG = c+11