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https://git.in.rschanz.org/ryan77627/guix.git
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c152902191
* gnu/packages/patches/pocketfft-cpp-prefer-preprocessor-if.patch: New file. * gnu/local.mk (dist_patch_DATA): Register it here. * gnu/packages/cpp.scm (pocketfft-cpp): New variable. Signed-off-by: Liliana Marie Prikler <liliana.prikler@gmail.com>
109 lines
3.6 KiB
Diff
109 lines
3.6 KiB
Diff
This patch replaces #ifndef POCKETFFT_NO_VECTORS by #if POCKETFFT_NO_VECTORS.
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It also makes it the default, as SIMD instructions are not that well-suited
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for substitutes.
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diff --git a/pocketfft_hdronly.h b/pocketfft_hdronly.h
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index d75ada6..b2d0a23 100644
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--- a/pocketfft_hdronly.h
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+++ b/pocketfft_hdronly.h
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@@ -39,6 +39,10 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef POCKETFFT_HDRONLY_H
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#define POCKETFFT_HDRONLY_H
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+#ifndef POCKETFFT_NO_VECTORS
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+#define POCKETFFT_NO_VECTORS 1
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+#endif
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+
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#ifndef __cplusplus
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#error This file is C++ and requires a C++ compiler.
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#endif
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@@ -106,29 +110,29 @@ constexpr bool FORWARD = true,
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BACKWARD = false;
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// only enable vector support for gcc>=5.0 and clang>=5.0
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-#ifndef POCKETFFT_NO_VECTORS
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-#define POCKETFFT_NO_VECTORS
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+#if !(POCKETFFT_NO_VECTORS)
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+#define POCKETFFT_NO_VECTORS 1
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#if defined(__INTEL_COMPILER)
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// do nothing. This is necessary because this compiler also sets __GNUC__.
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#elif defined(__clang__)
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// AppleClang has their own version numbering
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#ifdef __apple_build_version__
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# if (__clang_major__ > 9) || (__clang_major__ == 9 && __clang_minor__ >= 1)
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-# undef POCKETFFT_NO_VECTORS
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+#define POCKETFFT_NO_VECTORS 0
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# endif
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#elif __clang_major__ >= 5
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-# undef POCKETFFT_NO_VECTORS
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+#define POCKETFFT_NO_VECTORS 0
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#endif
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#elif defined(__GNUC__)
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#if __GNUC__>=5
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-#undef POCKETFFT_NO_VECTORS
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+#define POCKETFFT_NO_VECTORS 0
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#endif
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#endif
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#endif
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template<typename T> struct VLEN { static constexpr size_t val=1; };
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-#ifndef POCKETFFT_NO_VECTORS
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+#if !(POCKETFFT_NO_VECTORS)
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#if (defined(__AVX512F__))
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template<> struct VLEN<float> { static constexpr size_t val=16; };
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template<> struct VLEN<double> { static constexpr size_t val=8; };
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@@ -145,7 +149,7 @@ template<> struct VLEN<double> { static constexpr size_t val=2; };
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template<> struct VLEN<float> { static constexpr size_t val=4; };
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template<> struct VLEN<double> { static constexpr size_t val=2; };
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#else
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-#define POCKETFFT_NO_VECTORS
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+#define POCKETFFT_NO_VECTORS 1
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#endif
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#endif
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@@ -180,7 +184,7 @@ template<typename T> class arr
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T *p;
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size_t sz;
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-#if defined(POCKETFFT_NO_VECTORS)
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+#if POCKETFFT_NO_VECTORS
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static T *ralloc(size_t num)
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{
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if (num==0) return nullptr;
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@@ -3026,7 +3030,7 @@ class rev_iter
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template<typename T> struct VTYPE {};
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template <typename T> using vtype_t = typename VTYPE<T>::type;
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-#ifndef POCKETFFT_NO_VECTORS
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+#if !(POCKETFFT_NO_VECTORS)
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template<> struct VTYPE<float>
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{
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using type = float __attribute__ ((vector_size (VLEN<float>::val*sizeof(float))));
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@@ -3139,7 +3143,7 @@ POCKETFFT_NOINLINE void general_nd(const cndarr<T> &in, ndarr<T> &out,
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auto storage = alloc_tmp<T0>(in.shape(), len, sizeof(T));
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const auto &tin(iax==0? in : out);
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multi_iter<vlen> it(tin, out, axes[iax]);
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-#ifndef POCKETFFT_NO_VECTORS
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+#if !(POCKETFFT_NO_VECTORS)
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if (vlen>1)
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while (it.remaining()>=vlen)
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{
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@@ -3245,7 +3249,7 @@ template<typename T> POCKETFFT_NOINLINE void general_r2c(
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constexpr auto vlen = VLEN<T>::val;
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auto storage = alloc_tmp<T>(in.shape(), len, sizeof(T));
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multi_iter<vlen> it(in, out, axis);
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-#ifndef POCKETFFT_NO_VECTORS
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+#if !(POCKETFFT_NO_VECTORS)
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if (vlen>1)
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while (it.remaining()>=vlen)
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{
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@@ -3300,7 +3304,7 @@ template<typename T> POCKETFFT_NOINLINE void general_c2r(
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constexpr auto vlen = VLEN<T>::val;
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auto storage = alloc_tmp<T>(out.shape(), len, sizeof(T));
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multi_iter<vlen> it(in, out, axis);
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-#ifndef POCKETFFT_NO_VECTORS
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+#if !(POCKETFFT_NO_VECTORS)
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if (vlen>1)
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while (it.remaining()>=vlen)
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{
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