Optimized code and intrinsic functions for dense matrix/vector multiplication in FortranSubscribe More actions Ioannis_K_ New Contributor I 05-23-2024 02:03 PM 608 Views Hello, I have a dense m by n matrix A, and two vectors, x and y (with dimensions n and...
Since i am quite new to Fortran programming, at first i tried to gather some information about efficient coding. Many times i was recommended to make use of the "new" intrinsic functions, since this way the compiler would be told whats going on and could perform some optimizations (e.g. ...
Intrinsic trigonometric functions returning degrees ACOSD(X), ASIND(X), ATAND(X), ATAN2D(Y, X), COSD(X), SIND(X), and TAND(X)These features from Fortran 2023 are implemented in ifx 2024.1.0:Source input lines in free format can have up to 10,000 characters. A Fortran state...
the arguments is a NaN, the other argument is returned, while in Fortran 2018 a NaN was returned. The old behavior is available in the new Fortran 2023 functions IEEE_MAX, IEEE_MIN, IEEE_MAX_MAG, and IEEE_MIN_MAG. These functions are all defined in the intrinsic module IEEE_ARITHMETIC....
the arguments is a NaN, the other argument is returned, while in Fortran 2018 a NaN was returned. The old behavior is available in the new Fortran 2023 functions IEEE_MAX, IEEE_MIN, IEEE_MAX_MAG, and IEEE_MIN_MAG. These functions are all defined in the intrinsic module IEEE_ARITHMETIC....
list options separately to change behavior -Ofast enable -O3 -no-prec-div optimizations -fno-alias assume no aliasing in program -fno-fnalias assume no aliasing within functions, but assume aliasing across calls -nolib-inline disable inline expansion of intrinsic functions Code Generation --- -x...
The compiler will now diagnose the use of nonstandard intrinsic procedures and modules as required by Fortran 2018 Transformational intrinsic functions from the intrinsic modules ISO_C_BINDING, IEEE_ARITHMETIC, and IEEE_EXCEPTIONS are now allowed in specification expressions You can now specify the opti...
Additions to intrinsic module ISO_FORTRAN_ENV: ATOMIC_INT_KIND, ATOMIC_LOGICAL_KIND, CHARACTER_KINDS, INTEGER_KINDS, INT8, INT16, INT32, INT64, LOCK_TYPE, LOGICAL_KINDS, REAL_KINDS, REAL32, REAL64, REAL128, STAT_LOCKED, STAT_LOCKED_OTHER_IMAGE, STA...
换行不对,注意Fortran每一行都不能超过72个字符,超过要用&换行 在wsl上编译siesta 有时候我们需要在本地调试,现在windows上有wsl可以虚拟运行linux终端,对于做计算来说已经完全够用了。只要在windows功能里打开适用于linux的windows子系统然后在应用商店里找一个Ubuntu版本安装就可以用了。不过这里踩得一个坑不要安装太...
能完整支持 F66、F77、F90/95，支持 Fortran2003 的许多特性，但不完整，支持 Fortran2008 的少量特性。这是11.1的使用手册原文，列出了Fortran2003标准中所支持的那部分特性：Intel® Fortran is fully compliant with the ISO/IEC 1539:1997 Fortran language standard (Fortran 95). Intel ...