Reenable quad and double precision in libm

Configure.cmake

@@ -366,6 +366,13 @@ if (SLEEF_ENFORCE_FLOAT128 AND NOT COMPILER_SUPPORTS_FLOAT128)
   message(FATAL_ERROR "SLEEF_ENFORCE_FLOAT128 is specified and that feature is disabled or not supported by the compiler")
 endif()
 
+if(COMPILER_SUPPORTS_FLOAT128)
+  CHECK_C_SOURCE_COMPILES("
+  #include <quadmath.h>
+  int main() { __float128 r = 1;
+  }" COMPILER_SUPPORTS_QUADMATH)
+endif()
+
 # SSE2
 
 option(SLEEF_DISABLE_SSE2 "Disable SSE2" OFF)

src/common/misc.h

@@ -1,4 +1,4 @@
-//   Copyright Naoki Shibata and contributors 2010 - 2023.
+//   Copyright Naoki Shibata and contributors 2010 - 2024.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
@@ -158,6 +158,10 @@
 #define stringify(s) stringify_(s)
 #define stringify_(s) #s
 
+#if !defined(SLEEF_GENHEADER)
+typedef long double longdouble;
+#endif
+
 #if !defined(Sleef_double2_DEFINED) && !defined(SLEEF_GENHEADER)
 #define Sleef_double2_DEFINED
 typedef struct {
@@ -172,7 +176,12 @@ typedef struct {
 } Sleef_float2;
 #endif
 
-//
+#if !defined(Sleef_longdouble2_DEFINED) && !defined(SLEEF_GENHEADER)
+#define Sleef_longdouble2_DEFINED
+typedef struct {
+  long double x, y;
+} Sleef_longdouble2;
+#endif
 
 #if (defined (__GNUC__) || defined (__clang__) || defined(__INTEL_COMPILER)) && !defined(_MSC_VER)
 

src/common/quaddef.h

@@ -16,7 +16,7 @@
 #if !defined(Sleef_quad_DEFINED)
 #define Sleef_quad_DEFINED
 typedef struct { uint64_t x, y; } Sleef_uint64_2t;
-#if defined(SLEEF_FLOAT128_IS_IEEEQP)
+#if defined(SLEEF_FLOAT128_IS_IEEEQP) || defined(ENABLEFLOAT128)
 typedef __float128 Sleef_quad;
 #define SLEEF_QUAD_C(x) (x ## Q)
 #elif defined(SLEEF_LONGDOUBLE_IS_IEEEQP)
@@ -27,6 +27,51 @@ typedef Sleef_uint64_2t Sleef_quad;
 #endif
 #endif
 
+#if !defined(Sleef_quad1_DEFINED)
+#define Sleef_quad1_DEFINED
+typedef union {
+  struct {
+    Sleef_quad x;
+  };
+  Sleef_quad s[1];
+} Sleef_quad1;
+#endif
+
+#if !defined(Sleef_quad2_DEFINED)
+#define Sleef_quad2_DEFINED
+typedef union {
+  struct {
+    Sleef_quad x, y;
+  };
+  Sleef_quad s[2];
+} Sleef_quad2;
+#endif
+
+#if !defined(Sleef_quad4_DEFINED)
+#define Sleef_quad4_DEFINED
+typedef union {
+  struct {
+    Sleef_quad x, y, z, w;
+  };
+  Sleef_quad s[4];
+} Sleef_quad4;
+#endif
+
+#if !defined(Sleef_quad8_DEFINED)
+#define Sleef_quad8_DEFINED
+typedef union {
+  Sleef_quad s[8];
+} Sleef_quad8;
+#endif
+
+#if defined(__ARM_FEATURE_SVE) && !defined(Sleef_quadx_DEFINED)
+#define Sleef_quadx_DEFINED
+typedef union {
+  Sleef_quad s[32];
+} Sleef_quadx;
+#endif
+
+
 #else // #if !defined(SLEEF_GENHEADER)
 
 SLEEFSHARPif !defined(SLEEFXXX__NVCC__) && ((defined(SLEEFXXX__SIZEOF_FLOAT128__) && SLEEFXXX__SIZEOF_FLOAT128__ == 16) || (defined(SLEEFXXX__linux__) && defined(SLEEFXXX__GNUC__) && (defined(SLEEFXXX__i386__) || defined(SLEEFXXX__x86_64__))) || (defined(SLEEFXXX__PPC64__) && defined(SLEEFXXX__GNUC__) && !defined(SLEEFXXX__clang__) && SLEEFXXX__GNUC__ >= 8))

src/libm-tester/CMakeLists.txt

@@ -422,25 +422,31 @@ endif()
 
 if(LIB_MPFR AND NOT MINGW)
   # Build tester2 scalar
-  foreach(P dp sp)
+  set(PRECISIONS dp sp)
+  if(COMPILER_SUPPORTS_LONG_DOUBLE)
+    list(APPEND PRECISIONS ld)
+  endif()
+  if(COMPILER_SUPPORTS_QUADMATH)
+    list(APPEND PRECISIONS qp)
+    set(LIBQUADMATH "-lquadmath")
+    set(ENABLEFLOAT128 PRIVATE ENABLEFLOAT128=1)
+  endif()
+  foreach(P ${PRECISIONS})
     set(T "tester2${P}")
     add_executable(${T} tester2${P}.c testerutil.c)
-    target_compile_definitions(${T} PRIVATE USEMPFR=1 ${COMMON_TARGET_DEFINITIONS})
+    target_compile_definitions(${T} PRIVATE USEMPFR=1 ${ENABLEFLOAT128} ${COMMON_TARGET_DEFINITIONS})
     set_target_properties(${T} PROPERTIES ${COMMON_TARGET_PROPERTIES})
     if (FORCE_AAVPCS)
       target_compile_definitions(${T} PRIVATE ENABLE_AAVPCS=1)
     endif(FORCE_AAVPCS)
     if (MPFR_INCLUDE_DIR)
       target_include_directories(${T} PRIVATE ${MPFR_INCLUDE_DIR})
     endif()
-
-    target_link_libraries(${T} ${TARGET_LIBSLEEF} ${LIB_MPFR} ${LIBM} ${LIBGMP})
+    target_link_libraries(${T} ${TARGET_LIBSLEEF} ${LIBQUADMATH} ${LIB_MPFR} ${LIBM} ${LIBGMP})
     add_dependencies(${T} ${TARGET_HEADERS})
     add_dependencies(${T} ${TARGET_LIBSLEEF})
   endforeach()
 
-  # No test defined with tester2
-
   # Compile executable 'tester'
   add_host_executable(${TARGET_TESTER} tester.c testerutil.c)
   if (NOT CMAKE_CROSSCOMPILING)