ext: Update fputils to rev 52b6190b4e

This changeset updates the external library to git revision
52b6190b4e. This update includes changes that fix compilation errors
on old gcc versions and fixes to test a case that affect ICC.

1 files changed, 9 insertions, 11 deletions

diff --git a/ext/fputils/fp80.c b/ext/fputils/fp80.c
index 703b07ac9..8100a4d99 100644
--- a/ext/fputils/fp80.c
+++ b/ext/fputils/fp80.c
@@ -36,10 +36,8 @@
 #include <stdio.h>
 
 typedef union {
-    union {
-        uint64_t bits;
-        double value;
-    };
+    uint64_t bits;
+    double value;
 } fp64_t;
 
 
@@ -74,7 +72,7 @@ build_fp64(int sign, uint64_t frac, int exp)
 int
 fp80_sgn(fp80_t fp80)
 {
-    return (fp80.u.repr.se & FP80_SIGN_BIT) ? -1 : 1;
+    return (fp80.repr.se & FP80_SIGN_BIT) ? -1 : 1;
 }
 
 int
@@ -105,9 +103,9 @@ fp80_isqnan(fp80_t fp80)
 int
 fp80_isqnani(fp80_t fp80)
 {
-    const uint64_t frac_low = fp80.u.repr.fi & (FP80_FRAC_MASK >> 1);
+    const uint64_t frac_low = fp80.repr.fi & (FP80_FRAC_MASK >> 1);
 
-    return fp80_isqnan(fp80) && (fp80.u.repr.se & FP80_SIGN_BIT) && !frac_low;
+    return fp80_isqnan(fp80) && (fp80.repr.se & FP80_SIGN_BIT) && !frac_low;
 }
 
 int
@@ -133,7 +131,7 @@ fp80_isnan(fp80_t fp80)
 int
 fp80_iszero(fp80_t fp80)
 {
-    return fp80.u.repr.fi == 0 && FP80_EXP(fp80) == 0 ? fp80_sgn(fp80) : 0;
+    return fp80.repr.fi == 0 && FP80_EXP(fp80) == 0 ? fp80_sgn(fp80) : 0;
 }
 
 int
@@ -169,10 +167,10 @@ fp80_classify(fp80_t fp80)
 double
 fp80_cvtd(fp80_t fp80)
 {
-    const int sign = fp80.u.repr.se & FP80_SIGN_BIT;
+    const int sign = fp80.repr.se & FP80_SIGN_BIT;
 
     if (!fp80_isspecial(fp80)) {
-        const uint64_t frac = fp80.u.repr.fi;
+        const uint64_t frac = fp80.repr.fi;
         const int unb_exp = FP80_EXP(fp80) - FP80_EXP_BIAS;
         const int fp64_exp = unb_exp + FP64_EXP_BIAS;
         const uint64_t fp64_frac = frac >> (FP80_FRAC_BITS - FP64_FRAC_BITS);
@@ -242,6 +240,6 @@ void
 fp80_debug_dump(FILE *fout, fp80_t fp80)
 {
     fprintf(fout, "sgn: %i, int: %i, frac: 0x%llx, exp: 0x%x (%i)\n",
-            fp80_sgn(fp80), !!(fp80.u.repr.fi & FP80_INT_BIT), FP80_FRAC(fp80),
+            fp80_sgn(fp80), !!(fp80.repr.fi & FP80_INT_BIT), FP80_FRAC(fp80),
             FP80_EXP(fp80), FP80_EXP(fp80) - FP80_EXP_BIAS);
 }