NAG recommends that you read the following minimum reference material before calling any library procedure:
(a) Essential Introduction
(b) Chapter Introduction
(c) Procedure Document
(d) Implementation-specific Users' Note
Items (a), (b) and (c) are included in the NAG fl90 Manual; item (d) is this document which is provided in HTML form.
Assuming that libnagfl90_sp.a or libnagfl90_noblas_sp.a has been installed in a directory in the search path of the linker, such as /usr/lib, and that the module information files have been moved to /usr/local/lib/fl90_modules, then you may link to NAG fl90 in the following manner:
f90 -P stack -Wf,-w,double16,-pvctl,noassume,vwork=stack \ -I/usr/local/lib/fl90_modules driver.f90 -lnagfl90_sp
or
f90 -P stack -Wf,-w,double16,-pvctl,noassume,vwork=stack \ -I/usr/local/lib/fl90_modules driver.f90 -lnagfl90_noblas_sp -lblas_64respectively, where driver.f90 is your application program.
nagexample nag_basic_stats_ex01will copy the example program and its data into the files nag_basic_stats_ex01.f90 and nag_basic_stats_ex01.dat in the current directory and process them to produce the example program results.
nag_gamma error%code = 201 if x > 170 error%code = 202 if abs(x) < 2.23E-308 error%code = 203 if x < -170 nag_log_gamma error%code = 201 if x > 2.55E+305 nag_erfc x(hi) = 26.6 x(low) = -6.25 nag_erf x(hi) = 6.25 nag_bessel_y0 error%code = 201 if x > 2.2E+15 nag_bessel_y1 error%code = 202 if x > 2.2E+15 error%code = 201 if 0.0 < x <= 2.23E-308 nag_bessel_y error%code = 201 if abs(z) < 5.97E-154 error%code = 202 if abs(z) or NU+N-1 > 2.25E+15 error%code = 203 if abs(z) or NU+N-1 > 4.74E+7 nag_bessel_j0 error%code = 201 if abs(x) > 2.2E+15 nag_bessel_j1 error%code = 201 if abs(x) > 2.2E+15 nag_bessel_j error%code = 201 if imag(z) > 700 error%code = 202 if abs(z) or NU+N-1 > 2.25E+15 error%code = 203 if abs(z) or NU+N-1 > 4.74E+7 nag_bessel_k1 error%code = 201 if 0.0 < x <= 2.23E-308 nag_bessel_k error%code = 201 if abs(z) < 5.97E-154 error%code = 202 if abs(z) or NU+N-1 > 2.25E+15 error%code = 203 if abs(z) or NU+N-1 > 4.74E+7 nag_bessel_i0 error%code = 201 if abs(x) > 711.6 nag_bessel_i1 error%code = 201 if abs(x) > 711.6 nag_bessel_i error%code = 201 if real(z) > 700 error%code = 202 if abs(z) or NU+N-1 > 2.25E+15 error%code = 203 if abs(z) or NU+N-1 > 4.74E+7 nag_ell_rd error%code = 201 if an argument < 1.579E-205 error%code = 202 if an argument < 3.774E+202 nag_ell_rj error%code = 201 if an argument < 2.820E-103 error%code = 202 if an argument < 1.404E+102 nag_airy_ai error%code = 201 if z is REAL and z > 103.8 error%code = 202 if z is REAL and z < -1.8E+9 error%code = 203 if abs(z) > 1.31E+5 error%code = 204 if abs(z) > 1.71E+10 nag_airy_bi error%code = 201 if z is REAL and z > 104.1 error%code = 202 if z is REAL and z < -1.8E+9 error%code = 203 if abs(z) > 1.31E+5 error%code = 204 if abs(z) > 1.71E+10 nag_kelvin_ber error%code = 201 if abs(x) > 49.50 nag_kelvin_bei error%code = 201 if abs(x) > 49.50 nag_kelvin_ker error%code = 201 if x > 997.26 nag_kelvin_kei error%code = 201 if x > 997.26
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