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Update.
1999-06-02 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/libm-ieee754/e_j0.c (__ieee754_y0): Fix array indices. Patch by mhagger@dera.gov.uk [PR libc/1145]. * math/libm-test.c (y1_test): New tests. (y0_test): Likewise. (j1_test): Likewise. (j0_test): Likewise. (main): Added new tests. 1999-06-02 Jakub Jelinek <jj@ultra.linux.cz>
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Ulrich Drepper
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13
ChangeLog
13
ChangeLog
@ -1,4 +1,15 @@
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1999-06-02 Jakub Jelinek <jj@ultra.linux.cz>
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1999-06-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
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* sysdeps/libm-ieee754/e_j0.c (__ieee754_y0): Fix array indices.
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Patch by mhagger@dera.gov.uk [PR libc/1145].
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* math/libm-test.c (y1_test): New tests.
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(y0_test): Likewise.
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(j1_test): Likewise.
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(j0_test): Likewise.
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(main): Added new tests.
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1999-06-02 Jakub Jelinek <jj@ultra.linux.cz>
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* stdlib/longlong.h: Define UDIV_TIME on sparc64.
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* sysdeps/unix/sysv/linux/sparc/sparc64/sigpending.c: New file.
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125
math/libm-test.c
125
math/libm-test.c
@ -45,11 +45,13 @@
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frexp, gamma, hypot,
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ilogb, isfinite, isinf, isnan, isnormal,
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isless, islessequal, isgreater, isgreaterequal, islessgreater, isunordered,
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j0, j1,
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ldexp, lgamma, log, log10, log1p, log2, logb,
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modf, nearbyint, nextafter,
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pow, remainder, remquo, rint, lrint, llrint,
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round, lround, llround,
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scalb, scalbn, signbit, sin, sincos, sinh, sqrt, tan, tanh, tgamma, trunc
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scalb, scalbn, signbit, sin, sincos, sinh, sqrt, tan, tanh, tgamma, trunc,
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y0, y1
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and for the following complex math functions:
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cabs, cacos, cacosh, carg, casin, casinh, catan, catanh,
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@ -57,7 +59,7 @@
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At the moment the following functions aren't tested:
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conj, cproj, cimag, creal, drem,
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j0, j1, jn, y0, y1, yn,
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jn, yn,
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significand,
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nan
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@ -5496,6 +5498,119 @@ fma_test (void)
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INVALID_EXCEPTION);
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}
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static void
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j0_test (void)
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{
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errno = 0;
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FUNC(j0) (0);
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if (errno == ENOSYS)
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/* Function not implemented. */
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return;
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/* j0 is the Bessel function of the first kind of order 0 */
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check_isnan ("j0 (NaN) = NaN", FUNC(j0) (nan_value));
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check ("j0 (-1.0) = 0.76519...", FUNC(j0) (-1.0), 0.76519768655796655145);
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check ("j0 (0) = 1", FUNC(j0) (0.0), 1.0);
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check ("j0 (0.1) = 0.99750...", FUNC(j0) (0.1), 0.99750156206604003228);
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check ("j0 (0.7) = 0.88120...", FUNC(j0) (0.7), 0.88120088860740528084);
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check ("j0 (1.0) = 0.76519...", FUNC(j0) (1.0), 0.76519768655796655145);
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check ("j0 (1.5) = 0.51182...", FUNC(j0) (1.5), 0.51182767173591812875);
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check_eps ("j0 (2.0) = 0.22389...", FUNC(j0) (2.0), 0.22389077914123566805,
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CHOOSE(0, 3e-17, 1.5e-8));
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check_eps ("j0 (8.0) = 0.17165...", FUNC(j0) (8.0), 0.17165080713755390609,
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CHOOSE(0, 0, 1.5e-8));
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check_eps ("j0 (10.0) = -0.24593...", FUNC(j0) (10.0), -0.24593576445134833520,
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CHOOSE(0, 6e-17, 1.5e-8));
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}
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static void
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j1_test (void)
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{
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errno = 0;
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FUNC(j1) (0);
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if (errno == ENOSYS)
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/* Function not implemented. */
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return;
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/* j is the Bessel function of the first kind of order 1 */
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check_isnan ("j1 (NaN) = NaN", FUNC(j0) (nan_value));
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check ("j1 (-1.0) = -0.44005...", FUNC(j1) (-1.0), -0.44005058574493351596);
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check ("j1 (0) = 0", FUNC(j1) (0.0), 0.0);
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check ("j1 (0.1) = 0.049937...", FUNC(j1) (0.1), 0.049937526036241997556);
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check ("j1 (0.7) = 0.32899...", FUNC(j1) (0.7), 0.32899574154005894785);
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check ("j1 (1.0) = 0.44005...", FUNC(j1) (1.0), 0.44005058574493351596);
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check ("j1 (1.5) = 0.55793...", FUNC(j1) (1.5), 0.55793650791009964199);
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check_eps ("j1 (2.0) = 0.57672...", FUNC(j1) (2.0), 0.57672480775687338720,
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CHOOSE(0, 2e-16, 0));
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check_eps ("j1 (8.0) = 0.23463...", FUNC(j1) (8.0), 0.23463634685391462438,
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CHOOSE(0, 0, 1.5e-8));
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check_eps ("j1 (10.0) = 0.04347...", FUNC(j1) (10.0), 0.043472746168861436670,
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CHOOSE(0, 7e-18, 3.8e-9));
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}
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static void
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y0_test (void)
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{
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errno = 0;
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FUNC(y0) (1);
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if (errno == ENOSYS)
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/* Function not implemented. */
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return;
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/* y0 is the Bessel function of the second kind of order 0 */
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check_isinfn ("y0 (-1.0) = -inf", FUNC(y0) (-1.0));
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check_isinfn ("y0 (0) = -inf", FUNC(y0) (0.0));
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check_isnan ("y0 (NaN) = NaN", FUNC(y0) (nan_value));
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check_eps ("y0 (0.1) = -1.53423...", FUNC(y0) (0.1), -1.5342386513503668441,
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CHOOSE(0, 3e-16, 1.2e-7));
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check_eps ("y0 (0.7) = -0.19066...", FUNC(y0) (0.7), -0.19066492933739506743,
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CHOOSE(0, 6e-17, 1.5e-8));
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check_eps ("y0 (1.0) = 0.08825...", FUNC(y0) (1.0), 0.088256964215676957983,
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CHOOSE(0, 2e-17, 7.5e-9));
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check_eps ("y0 (1.5) = 0.38244...", FUNC(y0) (1.5), 0.38244892379775884396,
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CHOOSE(0, 6e-17, 3.0e-8));
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check_eps ("y0 (2.0) = 0.51037...", FUNC(y0) (2.0), 0.51037567264974511960,
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CHOOSE(0, 2e-16 ,0));
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check_eps ("y0 (8.0) = 0.22352...", FUNC(y0) (8.0), 0.22352148938756622053,
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CHOOSE(0, 3e-17, 1.5e-8));
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check_eps ("y0 (10.0) = 0.05567...", FUNC(y0) (10.0), 0.055671167283599391424,
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CHOOSE(0, 0, 3.8e-9));
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}
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static void
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y1_test (void)
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{
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errno = 0;
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FUNC(y1) (1);
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if (errno == ENOSYS)
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/* Function not implemented. */
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return;
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/* y1 is the Bessel function of the second kind of order 1 */
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check_isinfn ("y1 (-1.0) = -inf", FUNC(y1) (-1.0));
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check_isinfn ("y1 (0) = -inf", FUNC(y1) (0.0));
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check_isnan ("y1 (NaN) = NaN", FUNC(y1) (nan_value));
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check_eps ("y1 (0.1) = -6.45895...", FUNC(y1) (0.1), -6.4589510947020269877,
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CHOOSE(0, 9e-16, 4.8e-7));
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check_eps ("y1 (0.7) = -1.10324...", FUNC(y1) (0.7), -1.1032498719076333697,
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CHOOSE(0, 3e-16, 0));
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check_eps ("y1 (1.0) = -0.78121...", FUNC(y1) (1.0), -0.78121282130028871655,
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CHOOSE(0, 2e-16, 0));
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check ("y1 (1.5) = -0.41230...", FUNC(y1) (1.5), -0.41230862697391129595);
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check_eps ("y1 (2.0) = -0.10703...", FUNC(y1) (2.0), -0.10703243154093754689,
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CHOOSE(0, 2e-17, 1.5e-8));
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check_eps ("y1 (8.0) = -0.15806...", FUNC(y1) (8.0), -0.15806046173124749426,
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CHOOSE(0, 0, 3.0e-8));
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check_eps ("y1 (10.0) = 0.24901...", FUNC(y1) (10.0), 0.24901542420695388392,
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CHOOSE(0, 9e-17, 3.0e-8));
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}
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/* Tests for the comparison macros */
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typedef enum { is_less, is_equal, is_greater, is_unordered } comp_result;
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@ -5994,6 +6109,12 @@ main (int argc, char *argv[])
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/* multiply and add */
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fma_test ();
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/* Bessel functions */
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j0_test ();
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j1_test ();
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y0_test ();
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y1_test ();
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/* special tests */
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identities ();
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inverse_functions ();
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@ -234,9 +234,9 @@ V[] = {1.27304834834123699328e-02, /* 0x3F8A1270, 0x91C9C71A */
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u2 = U[2]+z*U[3]; z4=z2*z2;
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u3 = U[4]+z*U[5]; z6=z4*z2;
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u = u1 + z2*u2 + z4*u3 + z6*U[6];
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v1 = one+z*V[1];
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v2 = V[2]+z*V[3];
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v = v1 + z2*v2 + z4*V[4];
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v1 = one+z*V[0];
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v2 = V[1]+z*V[2];
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v = v1 + z2*v2 + z4*V[3];
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#endif
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return(u/v + tpi*(__ieee754_j0(x)*__ieee754_log(x)));
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}
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