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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /modules/fdlibm/patches/14_do_not_use_hexadecimal_floating_point_number.patch | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'modules/fdlibm/patches/14_do_not_use_hexadecimal_floating_point_number.patch')
-rw-r--r-- | modules/fdlibm/patches/14_do_not_use_hexadecimal_floating_point_number.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/modules/fdlibm/patches/14_do_not_use_hexadecimal_floating_point_number.patch b/modules/fdlibm/patches/14_do_not_use_hexadecimal_floating_point_number.patch new file mode 100644 index 0000000000..151a7a3b11 --- /dev/null +++ b/modules/fdlibm/patches/14_do_not_use_hexadecimal_floating_point_number.patch @@ -0,0 +1,68 @@ +diff --git a/e_exp.cpp b/e_exp.cpp +--- a/e_exp.cpp ++++ b/e_exp.cpp +@@ -146,14 +146,17 @@ __ieee754_exp(double x) /* default IEEE double exp */ + if(k >= -1021) + INSERT_WORDS(twopk,((u_int32_t)(0x3ff+k))<<20, 0); + else + INSERT_WORDS(twopk,((u_int32_t)(0x3ff+(k+1000)))<<20, 0); + c = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5)))); + if(k==0) return one-((x*c)/(c-2.0)-x); + else y = one-((lo-(x*c)/(2.0-c))-hi); + if(k >= -1021) { +- if (k==1024) return y*2.0*0x1p1023; ++ if (k==1024) { ++ double const_0x1p1023 = pow(2, 1023); ++ return y*2.0*const_0x1p1023; ++ } + return y*twopk; + } else { + return y*twopk*twom1000; + } + } +diff --git a/s_expm1.cpp b/s_expm1.cpp +--- a/s_expm1.cpp ++++ b/s_expm1.cpp +@@ -192,17 +192,20 @@ expm1(double x) + e -= hxs; + if(k== -1) return 0.5*(x-e)-0.5; + if(k==1) { + if(x < -0.25) return -2.0*(e-(x+0.5)); + else return one+2.0*(x-e); + } + if (k <= -2 || k>56) { /* suffice to return exp(x)-1 */ + y = one-(e-x); +- if (k == 1024) y = y*2.0*0x1p1023; ++ if (k == 1024) { ++ double const_0x1p1023 = pow(2, 1023); ++ y = y*2.0*const_0x1p1023; ++ } + else y = y*twopk; + return y-one; + } + t = one; + if(k<20) { + SET_HIGH_WORD(t,0x3ff00000 - (0x200000>>k)); /* t=1-2^-k */ + y = t-(e-x); + y = y*twopk; +--- a/s_exp2.cpp 2022-12-11 21:26:36.045643147 -0500 ++++ b/s_exp2.cpp_new 2022-12-11 21:28:42.058769925 -0500 +@@ -381,14 +381,16 @@ + INSERT_WORDS(twopk, 0x3ff00000 + k, 0); + else + INSERT_WORDS(twopkp1000, 0x3ff00000 + k + (1000 << 20), 0); + r = t + t * z * (P1 + z * (P2 + z * (P3 + z * (P4 + z * P5)))); + + /* Scale by 2**(k>>20). */ + if(k >= -(1021 << 20)) { +- if (k == 1024 << 20) +- return (r * 2.0 * 0x1p1023); ++ if (k == 1024 << 20) { ++ double const_0x1p1023 = pow(2, 1023); ++ return (r * 2.0 * const_0x1p1023); ++ } + return (r * twopk); + } else { + return (r * twopkp1000 * twom1000); + } + } |