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| author | nsz <nsz@port70.net> | 2012-03-19 23:41:19 +0100 |
|---|---|---|
| committer | nsz <nsz@port70.net> | 2012-03-19 23:41:19 +0100 |
| commit | 0cbb65479147ecdaa664e88cc2a5a925f3de502f (patch) | |
| tree | 7b6dc53fcec6497d55746d3cc47f167a20b7aa57 /src/math/expf.c | |
| parent | b03255af77776703c8d48819e824d09f6f54ba86 (diff) | |
| download | musl-0cbb65479147ecdaa664e88cc2a5a925f3de502f.tar.gz | |
code cleanup of named constants
zero, one, two, half are replaced by const literals
The policy was to use the f suffix for float consts (1.0f),
but don't use suffix for long double consts (these consts
can be exactly represented as double).
Diffstat (limited to 'src/math/expf.c')
| -rw-r--r-- | src/math/expf.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/math/expf.c b/src/math/expf.c index f706ac5d..3c3e2ab9 100644 --- a/src/math/expf.c +++ b/src/math/expf.c @@ -16,7 +16,6 @@ #include "libm.h" static const float -one = 1.0, halF[2] = {0.5,-0.5,}, huge = 1.0e+30, o_threshold = 8.8721679688e+01, /* 0x42b17180 */ @@ -72,8 +71,8 @@ float expf(float x) STRICT_ASSIGN(float, x, hi - lo); } else if(hx < 0x39000000) { /* |x|<2**-14 */ /* raise inexact */ - if (huge+x > one) - return one + x; + if (huge+x > 1.0f) + return 1.0f + x; } else k = 0; @@ -85,8 +84,8 @@ float expf(float x) SET_FLOAT_WORD(twopk, 0x3f800000+((k+100)<<23)); c = x - t*(P1+t*P2); if (k == 0) - return one - ((x*c)/(c - 2.0f) - x); - y = one - ((lo - (x*c)/(2.0f - c)) - hi); + return 1.0f - ((x*c)/(c - 2.0f) - x); + y = 1.0f - ((lo - (x*c)/(2.0f - c)) - hi); if (k < -125) return y*twopk*twom100; if (k == 128) |