long double cleanup, initial commit

[musl] / src / internal / libm.h

diff --git a/src/internal/libm.h b/src/internal/libm.h
index 46c4b56..52ac61e 100644 (file)
--- a/src/internal/libm.h
+++ b/src/internal/libm.h
@@ -17,6 +17,7 @@
 #include <float.h>
 #include <math.h>
 #include <complex.h>
+#include <endian.h>
 
 #include "longdbl.h"
 
@@ -32,6 +33,33 @@ union dshape {
        uint64_t bits;
 };
 
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384 && __BYTE_ORDER == __LITTLE_ENDIAN
+union ldshape {
+       long double f;
+       struct {
+               uint64_t m;
+               uint16_t se;
+       } i;
+};
+#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384 && __BYTE_ORDER == __LITTLE_ENDIAN
+union ldshape {
+       long double f;
+       struct {
+               uint64_t lo;
+               uint32_t mid;
+               uint16_t top;
+               uint16_t se;
+       } i;
+       struct {
+               uint64_t lo;
+               uint64_t hi;
+       } i2;
+};
+#else
+#error Unsupported long double representation
+#endif
+
 #define FORCE_EVAL(x) do {                          \
        if (sizeof(x) == sizeof(float)) {           \
                volatile float __x;                 \
@@ -168,12 +196,4 @@ long double __p1evll(long double, const long double *, int);
 #define STRICT_ASSIGN(type, lval, rval) ((lval) = (type)(rval))
 #endif
 
-/* complex */
-
-#ifndef CMPLX
-#define CMPLX(x, y) __CMPLX(x, y, double)
-#define CMPLXF(x, y) __CMPLX(x, y, float)
-#define CMPLXL(x, y) __CMPLX(x, y, long double)
-#endif
-
 #endif