fix: allow single-m Legendre transforms with --enable-magic-layout

README.md

@@ -66,6 +66,10 @@ DOCUMENTATION:
 
 CHANGE LOG:
 -----------
+* v3.2.2  (6 Jun 2019)
+	- Ishioka's reccurence can now be used with all normalizations. Will likely become the default soon.
+	- Fix: allow single-m Legendre transforms with --enable-magic-layout.
+
 * v3.2.1  (5 Apr 2019)
 	- Fix important bugs introduced in v3.2.
 	- Use of Ishioka recurrence is no more the default, but can be activated with `--enable-ishioka`.

configure

 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for SHTns 3.2.1.
+# Generated by GNU Autoconf 2.69 for SHTns 3.2.2.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -577,8 +577,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='SHTns'
 PACKAGE_TARNAME='shtns'
-PACKAGE_VERSION='3.2.1'
-PACKAGE_STRING='SHTns 3.2.1'
+PACKAGE_VERSION='3.2.2'
+PACKAGE_STRING='SHTns 3.2.2'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL='https://bitbucket.org/nschaeff/shtns'
 
@@ -1251,7 +1251,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures SHTns 3.2.1 to adapt to many kinds of systems.
+\`configure' configures SHTns 3.2.2 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1312,7 +1312,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of SHTns 3.2.1:";;
+     short | recursive ) echo "Configuration of SHTns 3.2.2:";;
    esac
   cat <<\_ACEOF
 
@@ -1420,7 +1420,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-SHTns configure 3.2.1
+SHTns configure 3.2.2
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1877,7 +1877,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by SHTns $as_me 3.2.1, which was
+It was created by SHTns $as_me 3.2.2, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -3385,41 +3385,6 @@ else
   :
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -fomit-frame-pointer" >&5
-$as_echo_n "checking whether C compiler accepts -fomit-frame-pointer... " >&6; }
-if ${ax_cv_check_cflags___fomit_frame_pointer+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-
-  ax_check_save_flags=$CFLAGS
-  CFLAGS="$CFLAGS  -fomit-frame-pointer"
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ax_cv_check_cflags___fomit_frame_pointer=yes
-else
-  ax_cv_check_cflags___fomit_frame_pointer=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  CFLAGS=$ax_check_save_flags
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags___fomit_frame_pointer" >&5
-$as_echo "$ax_cv_check_cflags___fomit_frame_pointer" >&6; }
-if test x"$ax_cv_check_cflags___fomit_frame_pointer" = xyes; then :
-  CFLAGS="$CFLAGS -fomit-frame-pointer"
-else
-  :
-fi
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -std=gnu99" >&5
 $as_echo_n "checking whether C compiler accepts -std=gnu99... " >&6; }
 if ${ax_cv_check_cflags___std_gnu99+:} false; then :
@@ -3957,7 +3922,7 @@ if test "x$enable_magic_layout" != "xno"; then :
 
   	enable_mem=no
 	#enable_ishioka=no       # workaround unexplained bug
-	enable_many_core=yes		# optimize for many-core architecture
+	#enable_many_core=yes		# optimize for many-core architecture
 
 $as_echo "#define SHTNS4MAGIC 1" >>confdefs.h
 
@@ -5480,7 +5445,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by SHTns $as_me 3.2.1, which was
+This file was extended by SHTns $as_me 3.2.2, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -5543,7 +5508,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-SHTns config.status 3.2.1
+SHTns config.status 3.2.2
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 

configure.ac

@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.62])
-AC_INIT([SHTns],[3.2.1],[],[shtns],[https://bitbucket.org/nschaeff/shtns])
+AC_INIT([SHTns],[3.2.2],[],[shtns],[https://bitbucket.org/nschaeff/shtns])
 AC_LANG([C])
 AC_CONFIG_SRCDIR([sht_init.c])
 AC_CONFIG_HEADERS([sht_config.h])
@@ -86,7 +86,6 @@ AS_IF([test "x$enable_knl" != "xyes"], [
 	AS_IF([test "x$enable_mkl" = "xdefault"], [enable_mkl=yes])
 ])
 AX_CHECK_COMPILE_FLAG([-ffast-math],[CFLAGS="$CFLAGS -ffast-math"])
-AX_CHECK_COMPILE_FLAG([-fomit-frame-pointer],[CFLAGS="$CFLAGS -fomit-frame-pointer"])
 AX_CHECK_COMPILE_FLAG([-std=gnu99],[CFLAGS="$CFLAGS -std=gnu99"])
 
 # with intel compiler, we should not use -O3 (bad performance with icc14 and icc15)
@@ -116,7 +115,7 @@ AS_IF([test "x$enable_many_core" != "xno"], [
 AS_IF([test "x$enable_magic_layout" != "xno"], [
   	enable_mem=no
 	#enable_ishioka=no       # workaround unexplained bug
-	enable_many_core=yes		# optimize for many-core architecture
+	#enable_many_core=yes		# optimize for many-core architecture
 	AC_DEFINE([SHTNS4MAGIC],[1],[I need the transforms compatible with the MagIC code, to speed it up!])
 ])