Style fixes.
Submitted by: bde
This commit is contained in:
parent
743f0a55b0
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0b8d0b5be9
@ -21,6 +21,10 @@ ARCH_SUBDIR= ${MACHINE_CPUARCH}
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.include "${ARCH_SUBDIR}/Makefile.inc"
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.PATH: ${.CURDIR}/${ARCH_SUBDIR}
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.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
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.PATH: ${.CURDIR}/x86
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CFLAGS+= -I${.CURDIR}/x86
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.endif
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# long double format
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.if ${LDBL_PREC} == 64
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@ -35,10 +39,6 @@ CFLAGS+= -I${.CURDIR}/ld128
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.PATH: ${.CURDIR}/src
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.PATH: ${.CURDIR}/man
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.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
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.PATH: ${.CURDIR}/x86
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.endif
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LIB= m
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SHLIBDIR?= /lib
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SHLIB_MAJOR= 5
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@ -187,8 +187,9 @@ MLINKS+=j0.3 j1.3 j0.3 jn.3 j0.3 y0.3 j0.3 y1.3 j0.3 y1f.3 j0.3 yn.3
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MLINKS+=j0.3 j0f.3 j0.3 j1f.3 j0.3 jnf.3 j0.3 y0f.3 j0.3 ynf.3
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MLINKS+=lgamma.3 gamma.3 lgamma.3 gammaf.3 lgamma.3 lgammaf.3 \
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lgamma.3 tgamma.3 lgamma.3 tgammaf.3
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MLINKS+=log.3 log10.3 log.3 log10f.3 log.3 log10l.3 log.3 \
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log1p.3 log.3 log1pf.3 log.3 log1pl.3 log.3 logf.3 log.3 logl.3 \
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MLINKS+=log.3 log10.3 log.3 log10f.3 log.3 log10l.3 \
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log.3 log1p.3 log.3 log1pf.3 log.3 log1pl.3 \
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log.3 logf.3 log.3 logl.3 \
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log.3 log2.3 log.3 log2f.3 log.3 log2l.3
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MLINKS+=lrint.3 llrint.3 lrint.3 llrintf.3 lrint.3 llrintl.3 \
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lrint.3 lrintf.3 lrint.3 lrintl.3
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@ -151,13 +151,13 @@ f(double a, double b, double hypot_a_b)
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*/
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static inline void
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do_hard_work(double x, double y, double *rx, int *B_is_usable, double *B,
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double *sqrt_A2my2, double *new_y)
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double *sqrt_A2my2, double *new_y)
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{
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double R, S, A; /* A, B, R, and S are as in Hull et al. */
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double Am1, Amy; /* A-1, A-y. */
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R = hypot(x, y + 1); /* |z+I| */
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S = hypot(x, y - 1); /* |z-I| */
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R = hypot(x, y + 1); /* |z+I| */
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S = hypot(x, y - 1); /* |z-I| */
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/* A = (|z+I| + |z-I|) / 2 */
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A = (R + S) / 2;
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@ -174,7 +174,7 @@ do_hard_work(double x, double y, double *rx, int *B_is_usable, double *B,
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* Am1 = fp + fm, where fp = f(x, 1+y), and fm = f(x, 1-y).
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* rx = log1p(Am1 + sqrt(Am1*(A+1)))
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*/
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if (y == 1 && x < DBL_EPSILON*DBL_EPSILON / 128) {
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if (y == 1 && x < DBL_EPSILON * DBL_EPSILON / 128) {
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/*
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* fp is of order x^2, and fm = x/2.
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* A = 1 (inexactly).
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@ -193,7 +193,7 @@ do_hard_work(double x, double y, double *rx, int *B_is_usable, double *B,
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* A = 1 (inexactly).
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*/
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*rx = x / sqrt((1 - y) * (1 + y));
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} else /* if (y > 1) */ {
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} else { /* if (y > 1) */
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/*
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* A-1 = y-1 (inexactly).
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*/
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@ -251,9 +251,9 @@ do_hard_work(double x, double y, double *rx, int *B_is_usable, double *B,
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* scaling should avoid any underflow problems.
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*/
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*sqrt_A2my2 = x * (4 / DBL_EPSILON / DBL_EPSILON) * y /
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sqrt((y + 1) * (y - 1));
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sqrt((y + 1) * (y - 1));
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*new_y = y * (4 / DBL_EPSILON / DBL_EPSILON);
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} else /* if (y < 1) */ {
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} else { /* if (y < 1) */
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/*
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* fm = 1-y >= DBL_EPSILON, fp is of order x^2, and
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* A = 1 (inexactly).
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@ -298,7 +298,6 @@ casinh(double complex z)
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* C99 leaves it optional whether to raise invalid if one of
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* the arguments is not NaN, so we opt not to raise it.
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*/
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/* Bruce Evans tells me this is the way to do this: */
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return (cpack(x + 0.0L + (y + 0), x + 0.0L + (y + 0)));
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}
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@ -337,6 +336,7 @@ double complex
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casin(double complex z)
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{
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double complex w = casinh(cpack(cimag(z), creal(z)));
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return (cpack(cimag(w), creal(w)));
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}
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@ -402,17 +402,17 @@ cacos(double complex z)
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/* All remaining cases are inexact. */
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raise_inexact();
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if (ax < SQRT_6_EPSILON / 4 && ay < SQRT_6_EPSILON/4)
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if (ax < SQRT_6_EPSILON / 4 && ay < SQRT_6_EPSILON / 4)
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return (cpack(pio2_hi - (x - pio2_lo), -y));
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do_hard_work(ay, ax, &ry, &B_is_usable, &B, &sqrt_A2mx2, &new_x);
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if (B_is_usable) {
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if (sx==0)
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if (sx == 0)
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rx = acos(B);
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else
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rx = acos(-B);
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} else {
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if (sx==0)
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if (sx == 0)
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rx = atan2(sqrt_A2mx2, new_x);
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else
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rx = atan2(sqrt_A2mx2, -new_x);
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@ -487,10 +487,6 @@ clog_for_large_values(double complex z)
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return (cpack(log(ax * ax + ay * ay) / 2, atan2(y, x)));
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}
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/*
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*=============================================================================
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*/
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/*
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* =================
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* | catanh, catan |
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@ -511,6 +507,7 @@ sum_squares(double x, double y)
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/* Avoid underflow when y is small. */
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if (y < SQRT_MIN)
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return (x * x);
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return (x * x + y * y);
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}
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@ -589,10 +586,9 @@ catanh(double complex z)
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if (isinf(x))
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return (cpack(copysign(0, x), y + y));
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/* catanh(NaN + I*+-Inf) = sign(NaN)0 + I*+-PI/2 */
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if (isinf(y)) {
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if (isinf(y))
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return (cpack(copysign(0, x),
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copysign(pio2_hi + pio2_lo, y)));
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}
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copysign(pio2_hi + pio2_lo, y)));
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/*
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* All other cases involving NaN return NaN + I*NaN.
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* C99 leaves it optional whether to raise invalid if one of
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@ -601,10 +597,9 @@ catanh(double complex z)
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return (cpack(x + 0.0L + (y + 0), x + 0.0L + (y + 0)));
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}
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if (ax > RECIP_EPSILON || ay > RECIP_EPSILON) {
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if (ax > RECIP_EPSILON || ay > RECIP_EPSILON)
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return (cpack(real_part_reciprocal(x, y),
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copysign(pio2_hi + pio2_lo, y)));
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}
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copysign(pio2_hi + pio2_lo, y)));
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if (ax < SQRT_3_EPSILON / 2 && ay < SQRT_3_EPSILON / 2) {
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/*
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@ -617,7 +612,7 @@ catanh(double complex z)
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}
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if (ax == 1 && ay < DBL_EPSILON)
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rx = (log(ay) - m_ln2) / -2;
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rx = (m_ln2 - log(ay)) / 2;
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else
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rx = log1p(4 * ax / sum_squares(ax - 1, ay)) / 4;
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@ -639,5 +634,6 @@ double complex
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catan(double complex z)
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{
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double complex w = catanh(cpack(cimag(z), creal(z)));
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return (cpack(cimag(w), creal(w)));
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}
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@ -31,7 +31,11 @@
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* Mathematical Software, Volume 23 Issue 3, 1997, Pages 299-335,
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* http://dl.acm.org/citation.cfm?id=275324.
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*
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* The code for catrig.c contains complete comments.
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* See catrig.c for complete comments.
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*
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* XXX comments were removed automatically, and even short ones on the right
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* of statements were removed (all of them), contrary to normal style. Only
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* a few comments on the right of declarations remain.
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*/
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#include <sys/cdefs.h>
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@ -82,7 +86,7 @@ f(float a, float b, float hypot_a_b)
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static inline void
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do_hard_work(float x, float y, float *rx, int *B_is_usable, float *B,
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float *sqrt_A2my2, float *new_y)
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float *sqrt_A2my2, float *new_y)
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{
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float R, S, A;
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float Am1, Amy;
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@ -101,7 +105,7 @@ do_hard_work(float x, float y, float *rx, int *B_is_usable, float *B,
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Am1 = f(x, 1 + y, R) + f(x, 1 - y, S);
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*rx = log1pf(Am1 + sqrtf(Am1 * (A + 1)));
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} else if (y < 1) {
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*rx = x / sqrtf((1 - y)*(1 + y));
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*rx = x / sqrtf((1 - y) * (1 + y));
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} else {
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*rx = log1pf((y - 1) + sqrtf((y - 1) * (y + 1)));
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}
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@ -130,7 +134,7 @@ do_hard_work(float x, float y, float *rx, int *B_is_usable, float *B,
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*sqrt_A2my2 = sqrtf(Amy * (A + y));
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} else if (y > 1) {
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*sqrt_A2my2 = x * (4 / FLT_EPSILON / FLT_EPSILON) * y /
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sqrtf((y + 1) * (y - 1));
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sqrtf((y + 1) * (y - 1));
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*new_y = y * (4 / FLT_EPSILON / FLT_EPSILON);
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} else {
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*sqrt_A2my2 = sqrtf((1 - y) * (1 + y));
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@ -166,7 +170,7 @@ casinhf(float complex z)
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else
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w = clog_for_large_values(-z) + m_ln2;
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return (cpackf(copysignf(crealf(w), x),
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copysignf(cimagf(w), y)));
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copysignf(cimagf(w), y)));
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}
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if (x == 0 && y == 0)
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@ -189,6 +193,7 @@ float complex
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casinf(float complex z)
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{
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float complex w = casinhf(cpackf(cimagf(z), crealf(z)));
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return (cpackf(cimagf(w), crealf(w)));
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}
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@ -212,7 +217,8 @@ cacosf(float complex z)
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return (cpackf(y + y, -INFINITY));
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if (isinf(y))
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return (cpackf(x + x, -y));
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if (x == 0) return (cpackf(pio2_hi + pio2_lo, y + y));
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if (x == 0)
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return (cpackf(pio2_hi + pio2_lo, y + y));
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return (cpackf(x + 0.0L + (y + 0), x + 0.0L + (y + 0)));
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}
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@ -235,17 +241,17 @@ cacosf(float complex z)
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do_hard_work(ay, ax, &ry, &B_is_usable, &B, &sqrt_A2mx2, &new_x);
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if (B_is_usable) {
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if (sx==0)
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if (sx == 0)
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rx = acosf(B);
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else
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rx = acosf(-B);
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} else {
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if (sx==0)
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if (sx == 0)
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rx = atan2f(sqrt_A2mx2, new_x);
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else
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rx = atan2f(sqrt_A2mx2, -new_x);
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}
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if (sy==0)
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if (sy == 0)
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ry = -ry;
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return (cpackf(rx, ry));
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}
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@ -284,10 +290,9 @@ clog_for_large_values(float complex z)
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ay = t;
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}
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if (ax > FLT_MAX / 2) {
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if (ax > FLT_MAX / 2)
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return (cpackf(logf(hypotf(x / m_e, y / m_e)) + 1,
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atan2f(y, x)));
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}
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atan2f(y, x)));
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if (ax > QUARTER_SQRT_MAX || ay < SQRT_MIN)
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return (cpackf(logf(hypotf(x, y)), atan2f(y, x)));
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@ -300,8 +305,9 @@ sum_squares(float x, float y)
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{
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if (y < SQRT_MIN)
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return (x*x);
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return (x*x + y*y);
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return (x * x);
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return (x * x + y * y);
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}
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static inline float
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@ -318,9 +324,9 @@ real_part_reciprocal(float x, float y)
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#define BIAS (FLT_MAX_EXP - 1)
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#define CUTOFF (FLT_MANT_DIG / 2 + 1)
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if (ix - iy >= CUTOFF << 23 || isinf(x))
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return (1/x);
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return (1 / x);
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if (iy - ix >= CUTOFF << 23)
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return (x/y/y);
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return (x / y / y);
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if (ix <= (BIAS + FLT_MAX_EXP / 2 - CUTOFF) << 23)
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return (x / (x * x + y * y));
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SET_FLOAT_WORD(scale, 0x7f800000 - ix);
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@ -347,18 +353,16 @@ catanhf(float complex z)
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if (isnan(x) || isnan(y)) {
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if (isinf(x))
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return (cpackf(copysignf(0, x), y+y));
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if (isinf(y)) {
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return (cpackf(copysignf(0, x), y + y));
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if (isinf(y))
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return (cpackf(copysignf(0, x),
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copysignf(pio2_hi + pio2_lo, y)));
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}
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copysignf(pio2_hi + pio2_lo, y)));
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return (cpackf(x + 0.0L + (y + 0), x + 0.0L + (y + 0)));
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}
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if (ax > RECIP_EPSILON || ay > RECIP_EPSILON) {
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if (ax > RECIP_EPSILON || ay > RECIP_EPSILON)
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return (cpackf(real_part_reciprocal(x, y),
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copysignf(pio2_hi + pio2_lo, y)));
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}
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copysignf(pio2_hi + pio2_lo, y)));
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if (ax < SQRT_3_EPSILON / 2 && ay < SQRT_3_EPSILON / 2) {
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raise_inexact();
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@ -366,7 +370,7 @@ catanhf(float complex z)
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}
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if (ax == 1 && ay < FLT_EPSILON)
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rx = (logf(ay) - m_ln2) / -2;
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rx = (m_ln2 - logf(ay)) / 2;
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else
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rx = log1pf(4 * ax / sum_squares(ax - 1, ay)) / 4;
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@ -384,5 +388,6 @@ float complex
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catanf(float complex z)
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{
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float complex w = catanhf(cpackf(cimagf(z), crealf(z)));
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return (cpackf(cimagf(w), crealf(w)));
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}
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@ -24,6 +24,8 @@ __FBSDID("$FreeBSD$");
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* in not-quite-routine extra precision.
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*/
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#include <float.h>
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#include "math.h"
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#include "math_private.h"
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#include "k_log.h"
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