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-rw-r--r--CMakeLists.txt8
-rw-r--r--configure.ac8
-rw-r--r--src/geodesic.c17
3 files changed, 7 insertions, 26 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 55722f91..5b8459b6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -139,11 +139,9 @@ check_c_source_compiles("
#include <math.h>
int main() {
int q;
- return (int)(hypot(3.0, 4.0) + log1p(2.0) + asinh(10.0) +
- atanh(0.8) + cbrt(8.0) + remquo(100.0, 90.0, &q) +
- remainder(100.0, 90.0) + copysign(1.0, -0.0) +
- round(3.5)) +
- (int)(lround(-3.5)) + isnan(0.0);
+ return (int)(hypot(3.0, 4.0) + atanh(0.8) + copysign(1.0, -0.0) +
+ cbrt(8.0) + remainder(100.0, 90.0) +
+ remquo(100.0, 90.0, &q)) + isnan(0.0);
}
" C99_MATH)
if(C99_MATH)
diff --git a/configure.ac b/configure.ac
index 76e45bc0..4db47b26 100644
--- a/configure.ac
+++ b/configure.ac
@@ -204,11 +204,9 @@ AC_MSG_CHECKING([for C99 math functions])
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[#include <math.h>],
[int q;
- return (int)(hypot(3.0, 4.0) + log1p(2.0) + asinh(10.0) +
- atanh(0.8) + cbrt(8.0) + remquo(100.0, 90.0, &q) +
- remainder(100.0, 90.0) + copysign(1.0, -0.0) +
- round(3.5)) +
- (int)(lround(-3.5)) + isnan(0.0);])],
+ return (int)(hypot(3.0, 4.0) + atanh(0.8) + copysign(1.0, -0.0) +
+ cbrt(8.0) + remainder(100.0, 90.0) +
+ remquo(100.0, 90.0, &q)) + isnan(0.0);])],
[AC_MSG_RESULT([yes]);C99_MATH="-DHAVE_C99_MATH=1"],
[AC_MSG_RESULT([no]);C99_MATH="-DHAVE_C99_MATH=0"])
CFLAGS="$save_CFLAGS $C99_MATH"
diff --git a/src/geodesic.c b/src/geodesic.c
index beb841a0..49c9823e 100644
--- a/src/geodesic.c
+++ b/src/geodesic.c
@@ -23,23 +23,8 @@
* https://geographiclib.sourceforge.io/
*/
-/* The PROJ_COMPILATION flag indicates that this is part of the compilation of
- * the PROJ library (keyed off the presence of the PROJ_LIB macro which points
- * to the data directory for PROJ). If this is set, we use the PROJ supplied
- * implementations of the C99 math functions instead of the ones defined here.
- */
-#if 0 && defined(PROJ_LIB)
-#define PROJ_COMPILATION 1
-#else
-#define PROJ_COMPILATION 0
-#endif
-
#include "geodesic.h"
-#if PROJ_COMPILATION
-#include "proj_math.h"
-#else
#include <math.h>
-#endif
#if !defined(HAVE_C99_MATH)
#define HAVE_C99_MATH 0
@@ -133,7 +118,7 @@ enum captype {
};
static real sq(real x) { return x * x; }
-#if HAVE_C99_MATH || PROJ_COMPILATION
+#if HAVE_C99_MATH
#define atanhx atanh
#define copysignx copysign
#define hypotx hypot