9289f0f773
proper initialization of b magnitude coefficient in a special case
7 years ago
76c43ab512
using the native tan and tanh math functions for real vector calculation
8 years ago
b0e7962169
don't generate error message during transient analysis,
it will not be used
8 years ago
f2cfb9b359
add fourth parameter to cp_getvar()
8 years ago
2786fcb86e
New .option seed=[val|random]
8 years ago
7ca61b3c98
New command 'setseed' with function com_sseed
to set the random number generator
8 years ago
09c876550f
prevent string overflow by adding the string length
to the cp_getvar parameters. Used only with CP_STRING
8 years ago
a98d01e5f8
Use only internal memory functions, replace
free->tfree, malloc->tmalloc, realloc->trealloc
8 years ago
caf3115733
cleanup, emphasise CKTrhs being an array
when accessing slot [0]
8 years ago
c900cc8824
drop ngspice internal implementation of erfc()
which these days is guaranteed to be provided by <math.h>
note,
our own implementation was incorrect anyway.
it evaluated to
erfc_ngspice(x) = erfc(fabs(x))
9 years ago
b8a9ca9df4
correct the fft scaling for real input and complex output vector
9 years ago
d696aa8781
niconv.c, NIconvTest(), NaN in CKTrhs denotes non-convergence
emit a warning message, but only if ft_ngdebug is set
9 years ago
43f24d6f22
rewrite cktsens.c in terms of the 'SMP' matrix interface
10 years ago
fb4f462388
SMPnewMatrix(), add 'size' to the function arguments
9 years ago
3a9ace82bb
winmain.c, etc, cleanup, rewrite obfuscated symbols
substitute in the whole source code:
"__stream" --> "stream"
"__pos" --> "pos"
"__s" --> "s"
"__n" --> "n"
"__c" --> "c"
"__format" --> "format"
"__ptr" --> "ptr"
"__size" --> "size"
"__path" --> "path"
"__mode" --> "mode"
"__offset" --> "offset"
"__whence" --> "whence"
"__arglist" --> "arglist"
"__buf" --> "buf"
"__fp" --> "fp"
"f_c_l_o_s_e" --> "win_x_fclose"
"f_e_o_f" --> "win_x_feof"
"f_e_r_r_o_r" --> "win_x_ferror"
"f_f_l_u_s_h" --> "win_x_fflush"
"fg_e_t_c" --> "win_x_fgetc"
"f_g_e_t_p_o_s" --> "win_x_fgetpos"
"fg_e_t_s" --> "win_x_fgets"
"fp_r_i_n_t_f" --> "win_x_fprintf"
"fp_u_t_c" --> "win_x_fputc"
"fp_u_t_char" --> "win_x_fputchar"
"fp_u_t_s" --> "win_x_fputs"
"f_r_e_a_d" --> "win_x_fread"
"f_r_e_o_p_e_n" --> "win_x_freopen"
"fs_c_a_n_f" --> "win_x_fscanf"
"f_s_e_e_k" --> "win_x_fseek"
"f_s_e_t_p_o_s" --> "win_x_fsetpos"
"f_t_e_l_l" --> "win_x_ftell"
"f_w_r_i_t_e" --> "win_x_fwrite"
"g_e_t_c" --> "win_x_getc"
"g_e_t_char" --> "win_x_getchar"
"g_e_t_s" --> "win_x_gets"
"p_e_r_r_o_r" --> "win_x_perror"
"p_r_i_n_t_f" --> "win_x_printf"
"p_u_t_c" --> "win_x_putc"
"p_u_t_char" --> "win_x_putchar"
"p_u_t_s" --> "win_x_puts"
"r_e_a_d" --> "win_x_read"
"s_c_a_n_f" --> "win_x_scanf"
"ung_e_t_c" --> "win_x_ungetc"
"vfp_r_i_n_t_f" --> "win_x_vfprintf"
"vfs_c_a_n_f" --> "win_x_vfscanf"
"vp_r_i_n_t_f" --> "win_x_vprintf"
"vs_c_a_n_f" --> "win_x_vscanf"
9 years ago
ea5ad6b0e7
drop DC_ABS() and FTEcabs()
10 years ago
15f2c67968
use M_PI
10 years ago
ae80067fef
cmath2.c, new function stddev to calculate the standard deviation of all elements of a vector
10 years ago
594db31ebc
cmath2.c, whitespace cleanup
10 years ago
b8b6677b85
cmath2.c, drop some excess NG_IGNORE()
10 years ago
2ab3b82696
cmath2.c, cleanup
10 years ago
2e35329678
cmath2.c, cleanup min/max operations
10 years ago
9f62057973
introduce include file "ngspice/randnumb.h"
10 years ago
a5817192e1
ni/niiter.c, #5/5, whitespace
10 years ago
266e6da24b
ni/niiter.c, #4/5, cleanup
10 years ago
dda415a0e3
ni/niiter.c, #3/5, use `copy()'
10 years ago
86bb88b546
ni/niiter.c, #2/5, reduce scope
10 years ago
2978621931
ni/niiter.c, #1/5, cleanup
10 years ago
5b42d09618
unify, use memcpy for CKTstate copy operations
10 years ago
d298d5cc2f
use memset() instead of deprecated bzero()
10 years ago
141ed61ec8
use memcpy() instead of deprecated bcopy()
10 years ago
fca8ab3146
cmath4.c, cx_deriv(), remove a memory leak
10 years ago
994bec7859
declare free() / realloc() arguments `const void *'
to avoid extra casting when freeing `const' strings
10 years ago
f66e76fb5f
implement option 'xmu' to control trapezoidal integration method
default is 0.5
option xmu=0.49
can be used to add some damping to reduce trap ringing
set xmu=0.49
or
.option xmu=0.49
works as well
10 years ago
40a0cea0d2
swap some `SWAP' arguments for readability
10 years ago
bd0bc3038b
use `SWAP' macro
10 years ago
b36385e333
improve `SWAP' macro
10 years ago
6342bec8ec
everywhere, drop `MALLOC()' and `REALLOC()'
10 years ago
9d32a0a5a9
simplify complex assignments
10 years ago
8243696338
dvec abstraction, #8/11, upgrade `dvec_alloc()'
10 years ago
8a4a37b5bb
dvec abstraction, #4/11, emphasise `ZERO(dvec)' initialisation
10 years ago
908c650f72
dvec abstraction, #3/11, use `dvec_alloc()'
10 years ago
19e427e3a5
cleanup, use NULL instead of 0 in pointer context
11 years ago
d98c5c90f3
src/maths/cmaths/cmath4.c, bug fix, cx_fft, cx_ifft, cx_derive
incorrect check for VF_COMPLEX in field v_type instead of v_flags
11 years ago
8e65614d31
spfactor.c, cktnames.c, don't crash when simulating "nothing"
reported by Siddhant Saraf in
> [ngspice:discussion] "out of memory" error : simulating a 2bit AND gate"
This comes in two flavours,
1) an empty circuit
2) a xspice circuit with exclusively xspice event nodes
11 years ago
c5e0bcde04
cleanup using `hypot()'
11 years ago
c6a8429258
src/maths/cmaths, implement `nint()' (.control language)
12 years ago
99eade8ec9
cleanup, rename cx_ln --> cx_log (.control language)
12 years ago
c926f46986
cleanup, rename rename cx_log --> cx_log10 (.control language)
12 years ago
4049e8ec1f
rewrite, using IFerrorf()
12 years ago
dwarning
Holger Vogt
rlar
Francesco Lannutti
h_vogt