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Unified Diff: fusl/src/math/expl.c

Issue 1714623002: [fusl] clang-format fusl (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: headers too Created 4 years, 10 months ago
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Index: fusl/src/math/expl.c
diff --git a/fusl/src/math/expl.c b/fusl/src/math/expl.c
index 0a7f44f685ee3b708962dc9683698ffcd8074775..c67726759a23e8595bf2db935c05f0dcdb6d55a9 100644
--- a/fusl/src/math/expl.c
+++ b/fusl/src/math/expl.c
@@ -68,61 +68,54 @@
#include "libm.h"
#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-long double expl(long double x)
-{
- return exp(x);
+long double expl(long double x) {
+ return exp(x);
}
#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
static const long double P[3] = {
- 1.2617719307481059087798E-4L,
- 3.0299440770744196129956E-2L,
- 9.9999999999999999991025E-1L,
+ 1.2617719307481059087798E-4L, 3.0299440770744196129956E-2L,
+ 9.9999999999999999991025E-1L,
};
static const long double Q[4] = {
- 3.0019850513866445504159E-6L,
- 2.5244834034968410419224E-3L,
- 2.2726554820815502876593E-1L,
- 2.0000000000000000000897E0L,
+ 3.0019850513866445504159E-6L, 2.5244834034968410419224E-3L,
+ 2.2726554820815502876593E-1L, 2.0000000000000000000897E0L,
};
-static const long double
-LN2HI = 6.9314575195312500000000E-1L,
-LN2LO = 1.4286068203094172321215E-6L,
-LOG2E = 1.4426950408889634073599E0L;
+static const long double LN2HI = 6.9314575195312500000000E-1L,
+ LN2LO = 1.4286068203094172321215E-6L,
+ LOG2E = 1.4426950408889634073599E0L;
-long double expl(long double x)
-{
- long double px, xx;
- int k;
+long double expl(long double x) {
+ long double px, xx;
+ int k;
- if (isnan(x))
- return x;
- if (x > 11356.5234062941439488L) /* x > ln(2^16384 - 0.5) */
- return x * 0x1p16383L;
- if (x < -11399.4985314888605581L) /* x < ln(2^-16446) */
- return -0x1p-16445L/x;
+ if (isnan(x))
+ return x;
+ if (x > 11356.5234062941439488L) /* x > ln(2^16384 - 0.5) */
+ return x * 0x1p16383L;
+ if (x < -11399.4985314888605581L) /* x < ln(2^-16446) */
+ return -0x1p-16445L / x;
- /* Express e**x = e**f 2**k
- * = e**(f + k ln(2))
- */
- px = floorl(LOG2E * x + 0.5);
- k = px;
- x -= px * LN2HI;
- x -= px * LN2LO;
+ /* Express e**x = e**f 2**k
+ * = e**(f + k ln(2))
+ */
+ px = floorl(LOG2E * x + 0.5);
+ k = px;
+ x -= px * LN2HI;
+ x -= px * LN2LO;
- /* rational approximation of the fractional part:
- * e**x = 1 + 2x P(x**2)/(Q(x**2) - x P(x**2))
- */
- xx = x * x;
- px = x * __polevll(xx, P, 2);
- x = px/(__polevll(xx, Q, 3) - px);
- x = 1.0 + 2.0 * x;
- return scalbnl(x, k);
+ /* rational approximation of the fractional part:
+ * e**x = 1 + 2x P(x**2)/(Q(x**2) - x P(x**2))
+ */
+ xx = x * x;
+ px = x * __polevll(xx, P, 2);
+ x = px / (__polevll(xx, Q, 3) - px);
+ x = 1.0 + 2.0 * x;
+ return scalbnl(x, k);
}
#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384
// TODO: broken implementation to make things compile
-long double expl(long double x)
-{
- return exp(x);
+long double expl(long double x) {
+ return exp(x);
}
#endif

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