⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 fftw.m4

📁 pic 模拟程序!面向对象
💻 M4
字号:
dnl ######################################################################dnldnl File:	fftw.m4dnldnl Purpose:	Looks for single and double precision versions of dnl		FFTW librariesdnldnl Version:	$Id: fftw.m4,v 1.14 2003/09/24 17:25:07 dad Exp $dnldnl Tech-X configure systemdnldnl ######################################################################dnl ######################################################################dnl dnl Allow users to disable the the fftw library when building. dnl dnl ######################################################################dnl AC_ARG_ENABLE([fftw],dnl               AC_HELP_STRING([--disable-fftw],dnl                              [compile without fftw (default is to use fftw)]),dnl               [ac_cv_disable_fftw=$withval], [ac_cv_disable_fftw=no])dnl echo "ac_cv_disable_fftw = $ac_cv_disable_fftw"dnl ######################################################################dnldnl Allow the user to specify an overall fftw directory.  If specified,dnl we look for include and lib under this.dnldnl ######################################################################AC_ARG_WITH(dfftw-dir,[  --with-dfftw-dir=<location of dfftw installation> ],DFFTW_DIR="$withval",DFFTW_DIR="")dnl ######################################################################dnldnl Find dfftw includes - looking in include location if present,dnl otherwise in dir/include if present, otherwise in default locations,dnl first parallel, then serial.dnldnl ######################################################################AC_ARG_WITH(dfftw-incdir,[  --with-dfftw-incdir=<location of dfftw includes> ],DFFTW_INCDIR="$withval",DFFTW_INCDIR="")if test -n "$DFFTW_INCDIR"; then  DFFTW_INCPATH=$DFFTW_INCDIRelif test -n "$DFFTW_DIR"; then  DFFTW_INCPATH=$DFFTW_DIR/includeelse  DFFTW_INCPATH=$HOME/include:/usr/local/fftw/include:/loc/fftw/include:/local/fftw/include:/usr/common/usg/includefiAC_PATH_PROGS(DFFTW_H, dfftw.h, "", $DFFTW_INCPATH)if test -z "$DFFTW_H"; then  AC_MSG_WARN(dfftw.h not found in $DFFTW_INCPATH.  Set location with --with-dfftw-incdir=)  DFFTW_INC=" "  ac_cv_have_dfftw=noelse  DFFTW_INCDIR=`dirname $DFFTW_H`  AC_SUBST(DFFTW_INCDIR)  DFFTW_INC=-I$DFFTW_INCDIR  AC_SUBST(DFFTW_INC)  DFFTW_DIR=`dirname $DFFTW_INCDIR`  ac_cv_have_dfftw=yesfidnl ######################################################################dnldnl Find dfftw librariesdnldnl ######################################################################AC_ARG_WITH(dfftw-libdir,[  --with-dfftw-libdir=<location of dfftw library> ], DFFTW_LIBDIR="$withval",DFFTW_LIBDIR="")if test $ac_cv_have_dfftw = yes; then  if test -n "$DFFTW_LIBDIR"; then    DFFTW_LIBPATH=$DFFTW_LIBDIR  else    DFFTW_LIBPATH=$DFFTW_DIR/lib  fi  AC_PATH_PROGS(LIBDFFTW_A, libdfftw.a, "", $DFFTW_LIBPATH)  if test -z "$LIBDFFTW_A"; then    AC_MSG_WARN(libdfftw.a not found in $DFFTW_LIBPATH.  Set location with --with-dfftw-libdir=)    ac_cv_have_dfftw=no    DFFTW_LIB=" "  else    DFFTW_LIBDIR=`dirname $LIBDFFTW_A`    AC_SUBST(DFFTW_LIBDIR)    DFFTW_LIB="-L$DFFTW_LIBDIR -ldrfftw -ldfftw -lm"  fi  AC_SUBST(DFFTW_LIB)  AC_DEFINE(HAVE_DFFTW)fidnl ######################################################################dnldnl Allow the user to specify an overall fftw directory.  If specified,dnl we look for include and lib under this.dnldnl ######################################################################AC_ARG_WITH(sfftw-dir,[  --with-sfftw-dir=<location of sfftw installation> ],SFFTW_DIR="$withval",SFFTW_DIR="")dnl ######################################################################dnldnl Find sfftw includes - looking in include location if present,dnl otherwise in dir/include if present, otherwise in default locations,dnl first parallel, then serial.dnldnl ######################################################################AC_ARG_WITH(sfftw-incdir,[  --with-sfftw-incdir=<location of sfftw includes> ],SFFTW_INCDIR="$withval",SFFTW_INCDIR="")if test -n "$SFFTW_INCDIR"; then  SFFTW_INCPATH=$SFFTW_INCDIRelif test -n "$SFFTW_DIR"; then  SFFTW_INCPATH=$SFFTW_DIR/includeelse  SFFTW_INCPATH=$HOME/include:/usr/local/fftw/include:/loc/fftw/include:/local/fftw/include:/usr/common/usg/include:$DFFTW_INCDIRfiAC_PATH_PROGS(SFFTW_H, sfftw.h, "", $SFFTW_INCPATH)if test -z "$SFFTW_H"; then  AC_MSG_WARN(sfftw.h not found in $SFFTW_INCPATH.  Set location with --with-sfftw-incdir=)  SFFTW_INC=" "  ac_cv_have_sfftw=noelse  SFFTW_INCDIR=`dirname $SFFTW_H`  AC_SUBST(SFFTW_INCDIR)  SFFTW_INC=-I$SFFTW_INCDIR  AC_SUBST(SFFTW_INC)  SFFTW_DIR=`dirname $SFFTW_INCDIR`  ac_cv_have_sfftw=yesfidnl ######################################################################dnldnl Find sfftw librariesdnldnl ######################################################################AC_ARG_WITH(sfftw-libdir,[  --with-sfftw-libdir=<location of sfftw library> ], SFFTW_LIBDIR="$withval",SFFTW_LIBDIR="")if test $ac_cv_have_sfftw = yes; then  if test -n "$SFFTW_LIBDIR"; then    SFFTW_LIBPATH=$SFFTW_LIBDIR  else    SFFTW_LIBPATH=$SFFTW_DIR/lib:$DFFTW_LIBDIR  fi  AC_PATH_PROGS(LIBSFFTW_A, libsfftw.a, "", $SFFTW_LIBPATH)  if test -z "$LIBSFFTW_A"; then    AC_MSG_WARN(libsfftw.a not found in $SFFTW_LIBPATH.  Set location with --with-sfftw-libdir=)    ac_cv_have_sfftw=no    SFFTW_LIB=" "  else    SFFTW_LIBDIR=`dirname $LIBSFFTW_A`    AC_SUBST(SFFTW_LIBDIR)    SFFTW_LIB="-L$SFFTW_LIBDIR -lsrfftw -lsfftw -lm"  fi  AC_SUBST(SFFTW_LIB)  AC_DEFINE(HAVE_SFFTW)fidnl ######################################################################dnldnl check the options for FFTW_PRECISIONdnl dnl ######################################################################FFTW_INCDIR=""FFTW_LIB=""if test "$FFTW_PRECISION" = "double"; then  dnl  dnl use the double precision version of the fftw lib  dnl   if test "$DFFTW_INCDIR"; then    FFTW_INCDIR="$DFFTW_INCDIR"    AC_SUBST(FFTW_INCDIR)    FFTW_INC="$DFFTW_INC"    AC_SUBST(FFTW_INC)  fi  if test "$DFFTW_LIB"; then    FFTW_LIB="$DFFTW_LIB"    AC_SUBST(FFTW_LIB)  fi  if test "$FFTW_INCDIR" -a "$FFTW_LIB"; then    AC_DEFINE(HAVE_FFT)  fielif test "$FFTW_PRECISION" = "float"; then  dnl  dnl use the single precision version of the fftw lib  dnl  if test "$SFFTW_INCDIR"; then     FFTW_INCDIR="$SFFTW_INCDIR"    AC_SUBST(FFTW_INCDIR)    FFTW_INC="$SFFTW_INC"    AC_SUBST(FFTW_INC)  fi   if test "$SFFTW_LIB"; then     FFTW_LIB="$SFFTW_LIB"     AC_SUBST(FFTW_LIB)   fi   if test "$SFFTW_INCDIR" -a "$SFFTW_LIB"; then     AC_DEFINE(HAVE_FFT)  fielse  AC_ARG_WITH(FFTW_PRECISION,   [  --with-FFTW_PRECISION=<precision> set precision double or float for FFTW],  FFTW_PRECISION="$withval")  if test "$FFTW_PRECISION" = "float"; then    dnl    dnl use the single precision version of the fftw lib    dnl    echo "Setting DFFTW via the --with-FFTW_PRECISION=float option"    if test "$SFFTW_INCDIR"; then       FFTW_INCDIR="$SFFTW_INCDIR"      AC_SUBST(FFTW_INCDIR)    fi     if test "$SFFTW_LIB"; then       FFTW_LIB="$SFFTW_LIB"       AC_SUBST(FFTW_LIB)     fi     if test "$SFFTW_INCDIR" -a "$SFFTW_LIB"; then       AC_DEFINE(HAVE_FFT)    fi  elif test "$FFTW_PRECISION" = "double"; then    dnl    dnl use the double precision version of the fftw lib    dnl     echo "Setting DFFTW via the --with-FFTW_PRECISION=double option"    if test "$DFFTW_INCDIR"; then      FFTW_INCDIR="$DFFTW_INCDIR"      AC_SUBST(FFTW_INCDIR)    fi    if test "$DFFTW_LIB"; then      FFTW_LIB="$DFFTW_LIB"      AC_SUBST(FFTW_LIB)    fi    if test "$FFTW_INCDIR" -a "$FFTW_LIB"; then      AC_DEFINE(HAVE_FFT)    fi  fifi

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -